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  • 1.
    Bjursäter, Ulla
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Koponen, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Lacerda, Francisco
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Sundberg, Ulla
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Assessing the significance of Tallal's transform2002Inngår i: TMH-QPSR 44: Proceedings Fonetik 2002, 141-144, Stockholm, Sweden, 2002, s. 141-144Konferansepaper (Annet vitenskapelig)
    Abstract [en]

    The perceptual significance of enhancing amplitude contrasts at the onset of formant transitions in CV-syllables and of reducing the “speaking” tempo was studied with a group of normally developing school children. Natural and synthetic speech stimuli were used in the perception experiments. A total of 83 children, second and third graders, were tested on their ability to discriminate between CV syllables presented in pairs. The results indicate that the children’s discrimination performance resisted acoustic manipulations of both the natural and synthetic stimuli. Neither spectral nor timing manipulations rendered significant differencesin discrimination results.

  • 2.
    Bjursäter, Ulla
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Lacerda, Francisco
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Sundberg, Ulla
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Gustavsson, Lisa
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Marklund, Ellen
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Potential relevance of general purpose mechanisms to the onset of language: Audio-visual integration of ambient language in pathological perspective2005Inngår i: ESF Research Conference on Brain Development and Cognition in Human Infants: From Action to Cognition, 2005Konferansepaper (Annet vitenskapelig)
  • 3.
    Gustavsson, Lisa
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Kallioinen, Petter
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Lindh, Jonas
    Göteborgs universitet.
    Neural processing of voices - familiarity2013Inngår i: Proceedings of Meetings on Acoustics: POMA - ICA 2013 Montreal, Acoustical Society of America (ASA), 2013Konferansepaper (Fagfellevurdert)
    Abstract [en]

    Brain responses to familiar and unfamiliar voices were investigated with ERPs (Event Related Potentials). Presentation of a stream of one syllable utterances from a female voice established a standard expectation, and similar samples from four other male voices where inserted as unexpected deviants in a typical mismatch paradigm. The participants were 12 students from the basic course in linguistics. Two of the deviant voices were familiar voices of their teachers. The two other deviant voices were matched (same age, sex and dialect) but unfamiliar to the participants. A typical MMN (Mismatch Negativity) was elicited, i.e. a more negative response to the deviants compared to the standards. In contrast to verbal reports, where only one participant identified any of the deviant voices, the MMN response differed on group level between familiar and unfamiliar voices. MMN to familiar voices was larger. Using teachers' voices ensured naturalistic long term exposure, but did not allow for random assignment to conditions of familiarity making the design quasi-experimental. Thus acoustic analysis of voice characteristics as well as follow up studies with randomized exposure to voices are needed to rule out possible confounds and establish a causal effect of voice familiarity.

  • 4.
    Gustavsson, Lisa
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Schwarz, Iris-Corinna
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Gerholm, Tove
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Marklund, Ulrika
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Assessing language acquisition from parent-child interaction: An event-related potential study on perception of intonation contours in infancy2013Konferansepaper (Annet vitenskapelig)
    Abstract [en]

    The aim of this paper is to present our multidisciplinary project to study parent-child interaction. The goal of the project is to identify, test, and simulate components of child and adult speechand gestures and the consequences they might have on child language acquisition. Since typical parent-child interaction is built upon both interlocutors’ intention-reading, responsiveness to joint-attention, and imitation of speech/gestures, we make video recordings along with recordings of speech data to grasp the integration of semantic and pragmatic aspects of language acquisition. The understanding of parent-child interaction benefits further frominformation on brain activation involved in speech processing. As a first step to achieve the project goals, an electroencephalography/event-related potential (EEG/ERP) study exploring children’s early perception of intonation contours involved in human interactions was performed. This paper discusses the characteristics of integration of multimodal social-emotional (speech,prosody, faces, posture) signals as part of the dynamics of communication in typically developing children. Possible application fields are social signal processing (SSP; an emerging research domain that aims to provide computers ability to understand human social signals), and improvement of diagnosis of late or atypical language development in pathologies that affect the dynamics of social interaction (such as autism spectrum disorders).

  • 5.
    Gustavsson, Lisa
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Lindh, Jonas
    Kallioinen, Petter
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Markelius, Marie
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Ericsson, Anna
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Moniri, Sadegheh Farah
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Neural processing of familiar and unfamiliar voices2012Konferansepaper (Fagfellevurdert)
    Abstract [en]

    In this paper we present a pilot study on neural processing of familiar and unfamiliar voices in adults. This is the first of a series of experiments we plan to perform to examine how general biological mechanisms and linguistic experience might interact during voice recognition, from birth up until adulthood. We have chosen to measure ERPs1 during voice presentation because it allows for an experimental setup suitable for both adults and infants (in future studies). Furthermore it captures the subject’s reaction to stimuli in both the sensory pathways and cognitive processing. In the current study our intention was to examine adults’ responses to familiar and unfamiliar voices as well as to evaluate the experimental design for our future studies.

  • 6.
    Gustavsson, Lisa
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Marklund, Ellen
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Lacerda, Francisco
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Directional hearing in a humanoid robot: Evaluation of microphones regarding HRTF and azimuthal dependence2006Inngår i: Proceedings from Fonetik 2006 / [ed] Gilbert Ambrazaitis and Susanne Schötz, Lund: Department of Linguistics and Phonetics, Centre for Languages and Literature, Lund University , 2006, s. 45-49Konferansepaper (Annet vitenskapelig)
  • 7.
    Gustavsson, Lisa
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Sundberg, Ulla
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Marklund, Ellen
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Lagerkvist, Lisa
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Lacerda, Francisco
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Integration of audio-visual information in 8-months-old infants2004Inngår i: Proceedings of the Fourth International Workshop on Epigenetic RoboticsLund University Cognitive Studies / [ed] Berthouze, L., Kozima, H., Prince, C. G., Sandini, G., Stojanov, G., Metta, G., and Balkenius, C., 2004, s. 143-144Konferansepaper (Annet vitenskapelig)
  • 8.
    Kasaty, Anna
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för datorlingvistik.
    Koponen, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för datorlingvistik.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Swedish Nominal Morphophonology Implemented within the Two-level Model in PC-Kimmo1998Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [en]

    This paper presents a description of Swdish morphophonology and an attempt to create a Swedish pronunciation morpheme lexicon as a part of a text-to-speech system at Telia Research AB.

  • 9.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik.
    Emergence of words: Multisensory precursors of sound-meaning associations in infancy2008Doktoravhandling, monografi (Annet vitenskapelig)
    Abstract [en]

    This thesis presents four experimental studies, carried out at the Phonetic laboratory, Stockholm University, on infants’ ability to establish auditory-visual sound-meaning associations as a precursor of early word acquisition. Study I reports on the effect of linguistic variance on infants’ ability (3- to 20-months) to establish sound-meaning associations. The target-words embedded in phrases, based on an artificial language, were presented along with visually displayed puppets. Study II investigates the role of attribute type on infants’ ability (3- to 6-months) to establish sound-meaning associations. Two-word phrases, based on the same artificial language as in Study I, were presented along with visually displayed geometrical objects. The words implicitly referred to the color and shape of the objects. Study III examines infants’ ability (12- to 16-months) to predict phonetic information. The subjects were tested on their ability to associate Swedish whole words and disrupted words to familiar objects. Study IV investigates infants’ ability (6- to 8-months) to detect concurrence and synchrony in speech and non-speech. The infants were exposed to Swedish speech sounds presented with corresponding articulatory events, the sound of hand-clapping presented with synchronized hand-clapping movements, and the sound of hand-clapping presented with synchronized articulatory events. The results picture the subject as sensitive to distributional properties of auditory and visual information (Study I and II) but still unable to predict phonetic information, in the beginning of the second year of life (Study III). The infants’ conceptual behavior is outlined as a general-purpose perceptual process influenced by perceptual salience (Study IV). These results are related to a working hypothesis based on the Ecological theory of language acquisition (Lacerda & Sundberg, 2006), and Lindblom (Lindblom, 1990; Lindblom & Lacerda, 2006).

  • 10.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Flexibilitet viktigt för att lära sig ord2008Annet (Annet (populærvitenskap, debatt, mm))
    Abstract [sv]

    Spädbarn lär sig nya ord genom att vuxna och äldre barn upprepar orden och visar samma objekt gång på gång. Barnen säger ofta fel, men de är hela tiden öppna för nya förslag.

    – Flexibiliteten är förmodligen viktig för inlärning av begrepp och ord, säger Eeva Klintfors, som nyligen disputerade på hur barn lär sig ord. Hon har studerat över tre hundra spädbarn mellan tre och tjugo månader gamla.

  • 11.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Föredraget "Språket och hjärnan i ett utvecklingsperspektiv" samt deltagande i paneldiskussion "Språk, tanke och handlande" ledd av Patrik Hadenius i UR Samtidens TV-produktion "Seminariedag om Hjärnan" arrangerad av Forskning och Framsteg2011Annet (Annet (populærvitenskap, debatt, mm))
    Abstract [sv]

    Måndagen 7 november 2011 arrangerade bl.a. Forskning & Framsteg ett heldagsseminarium om Hjärnan. Institutionen för lingvistik representerades av Eeva Klintfors, forskare i fonetik. Arrangemanget filmades av UR Samtiden.

    Eeva Klintfors talade under rubriken "Om talutveckling och ordkännedom hos barn, och om att mäta hjärnaktiviteten i de olika hjärnhalvorna.". De frågeställningar som behandlades under föreläsningen handlade om talutveckling och språkspecifika hjärnfunktioner hos barn, om hur hjärnan hanterar språkliga uttryck och var hjärnaktiviteten finns i de olika hjärnhalvorna vid språkutveckling.

    Några av föreläsningarna sändes i Kunskapskanalens UR Samtiden tisdagen 6 dec kl 16.00-19.00 och onsdagen 7 dec kl 16.15-19.00. Programmen har sedan gjorts tillgängliga på Kunskapskanalen Play, så du kan gå in och ta del av föreläsningarna där http://urplay.se/167345

  • 12.
    Klintfors, Eeva
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Gustavsson, Lisa
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Schwarz, Iris-Corinna
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Gerholm, Tove
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för allmän språkvetenskap. Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Marklund, Ulrika
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Modellering av förälder-barn interaktion (MINT): Komponenter hos audio-visuella ledtrådar och deras konsekvenser för språkinlärning2013Konferansepaper (Annet vitenskapelig)
  • 13.
    Klintfors, Eeva
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Gustavsson, Lisa
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Schwarz, Iris-Corinna
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Gerhom, Tove
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för allmän språkvetenskap.
    Marklund, Ulrika
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    The Stockholm Babylab Multimodal Approach: Modelling Infant Language Acquisition Longitudinally from Parent-Child Interaction2013Konferansepaper (Fagfellevurdert)
    Abstract [en]

    Auditory communicative interaction is in general best analyzed with the help of simultaneously recorded visual information about discourse objects and the positioning of interlocutors in space. Access to visual information is even more important in parent-child interaction since this type of communica-tion is largely based on use of contextual gestures, gaze and imitation. The un-derstanding of parent-child interaction benefits further from information on brain activation involved in speech processing. This paper introduces the Stockholm Babylab approach to study multimodal language learning in typi-cally developing infants and young children. Our effort is to build a multimodal corpus that incorporates EEG (electroencephalography) data in the model. Ap-plication fields are social signal processing (SSP), improvement of diagnosis of late or atypical language development, and further development of habilitation methods for individuals with neurocognitive and language deficits.   

  • 14.
    Klintfors, Eeva
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Lacerda, Francisco
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Potential relevance of audio-visual integration in mammals for computational modelling2006Inngår i: Proceedings of the 9th International Conference on Spoken Language Processing, Interspeech 2006 (ICSLP), Pittsburgh, September, 2006., 2006Konferansepaper (Fagfellevurdert)
    Abstract [en]

    infants’ integration of audio-visual sensory information as a fundamental process involved in early word learning. One hundred sixty pre-linguistic children were randomly assigned to watch one of four counterbalanced versions of audio-visual video sequences. The infants’ eye-movements were recorded and their looking behavior was analyzed throughout three repetitions of exposure-test-phases. The results indicate that the infants were able to learn covariance between shapes and colors of arbitrary geometrical objects and to them corresponding nonsense words. Implications of audio-visual integration in infants and in non-human animals for modeling within speech recognition systems, neural networks and robotics are discussed.

  • 15.
    Klintfors, Eeva
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Lacerda, Francisco
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Marklund, Ellen
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Investigating the Emergence of Speech Communication: A Study of Infants' Ability to Predict Phonetic Information2007Inngår i: Proceedings of EuroCogSci07: The European Cognitive Science Conference 2007, European Cultural Center of Delphi, Delphi/Greece, May 23-27, 2007, East Sussex: Hove , 2007, s. 694-699Konferansepaper (Fagfellevurdert)
    Abstract [en]

    The introduction of this paper provides an overview of infants' prediction skills of action goals, as well as their ability to predict perceptual acoustic information. Prediction skills' neurological correlates in general are discussed. A central hypothesis under investigation is that there are commonalities between the development of speech and manipulation. The current research is focused on the communication mode investigating infants' ability to associate images of familiar objects with auditory-stimuli presented both as whole words in intact form and as disrupted (partly noise-replaced) spoken words. The looking behaviour of the infants was measured with the Tobii eye-tracking device. The results suggest that 11 to 16 month-old infants recognize the target object when the word referring to it was intact, i.e. when the name of the object was presented in its entirety. However, the infants did not seem to recognize the target object when the word referring to it was partially masked so that only its initial phonetic information was presented. These results indicate that young infants are sensitive to phonetic information of the words and may need more extensive linguistic experience in order to derive full lexical forms from partially masked words. The paper concludes with suggestions for future demonstrations of anticipation of speech.

  • 16.
    Klintfors, Eeva
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Lacerda, Francisco
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Marklund, Ellen
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Gustavsson, Lisa
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Sundberg, Ulla
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Bjursäter, Ulla
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Potential relevance of general purpose mechanisms to the onset of language: Audio-visual integration of object attributes2005Inngår i: ESF Research Conference on Brain Development and Cognition in Human Infants, Acquafredda di Maratea, October 1-6, 2005, .: From Action to Cognition, 2005Konferansepaper (Annet vitenskapelig)
    Abstract [en]

    The paper addresses the issue of extraction of implicit information conveyed by systematic audio-visual contingencies. A group of infants was tested, with help of the Eye-Tracking analysis system, on a simple inference task provided by short film sequences. The video sequences displayed geometrical objects while the audio played two-word utterances, spoken in an artificial language mimicking the Swedish phonotactics, implicitly referring to the different shapes and colours of the objects. The films were initiated with a static baseline image where the display was divided in four quadrants showing four objects, one in each quadrant. This initial procedure was intended to measure the subject’s spontaneous looking preference towards each of the objects.  Finally after the exposure phase, a test phase was initiated where questions equivalent to “Can you see a cube?” or “Can you see the red (one)?” spoken in the artificial language were asked. At this point the results suggest that the subjects are efficient at picking up the underlying information structure. Further analyses are expected to show more differentiated picture regarding the performance of infants of different age as well as generalization of nouns and adjectives. This is currently being analyzed and will be reported at the conference.

  • 17.
    Klintfors, Eeva
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Lacerda, Francisco
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Sundberg, Ulla
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Estimates of Infants’ Vocabulary Composition and the Role of Adult-instructions for Early Word-learning2007Inngår i: Speech, Music and Hearing, Quarterly Progress and Status Report, TMH-QPSR, Proceedings from Fonetik 2007, May 30 - June 1, 2007. / [ed] Björn Granström, Anna Hjalmarsson, David House, Prebe Wik, Stockholm: Department of Speech, Music and Hearing, KHT, Printed by Universitetsservice AB , 2007, s. 53-56Konferansepaper (Annet vitenskapelig)
    Abstract [en]

    The purpose of this study was to assess characteristics of the growth of language in Swedish 7-15 months-old infants. More scpecifically, to estimate vocabulary composition (the 1st part of the study), information on 24 infants’ comprehension and production of speech was collected, and to investigate the role of adult-instructions for early word-learning ( the 2nd part of the study) video recordings of infant-adult interaction-dyads were produced. The vocabulary-data were collected based on parental reports using the Swedish version of the MacArthur Communicative Development Inventory. The subjects’ size of receptive and productive vocabulary across five semantic categories were estimated in a longitudinal perspective based on 45 completed forms. The infant-adult interaction data was likewise collected in a longitudinal perspective. The variables chosen for analyses of infant-adult interaction were: objective of the parent’s gestural instruction, objective of the parent’s vocal instruction, and focus of attention of the infant. The 1st part of the study showed an immense progress for comprehension within the receptive semantic categories of ‘phrases’ and ‘sounds’. The results for the 2nd part of the study showed a shift along a time axis from gestural instructions being mostly correlated with the attentional focus of the infant (at 7 months) to gestural and vocal instructions being equally common (at 15 months). A discussion on significance of these results will round off the paper.

  • 18.
    Klintfors, Eeva
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Lacerda, Francisco
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Sundberg, Ulla
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Major parts-of-speech in child language – division in open and close class words2009Inngår i: Proceedings of Fonetik 2009: The 22nd Swedish Phonetic Conference / [ed] Peter Branderud, Francisco Lacerda, Hartmut Traunmuller, Stockholm, Sweden: Universitetsservice US-AB , 2009, s. 126-129Konferansepaper (Annet vitenskapelig)
    Abstract [en]

    The purpose of this study was to assess relations between major parts-of-speech in 14-to 43-months-old infants. Therefore a division in open class and close class words was made. Open class words consist of nouns, verbs and adjectives, while the group of close class words is mainly constituted of grammatical words such as conjunctions, prepositions and adverbs. The data was collected using the Swedish Early Communicative Development Inventory, a version of the MacArthur Communicative Development Inventory. The number of open and close class words was estimated by summarizing items from diverse semantic categories. The study was performed as a mixture of longitudinal and cross-sectional data based on 28 completed forms. The results showed that while the total number of items in the children’s vocabularies grew as the child got older; the proportional division in open vs. close class words – proximally 90-10% – was unchanged.

  • 19.
    Klintfors, Eeva
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Marklund, Ellen
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Kallioinen, Petter
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Lacerda, Francisco
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Cortical N400-potentials generated by adults in response to semantic incongruities2011Inngår i: Proceedings of Fonetik 2011: Speech, Music and Hearing TMH-QPSR Vol. 51 / [ed] Björn Granström, David House, Daniel Neiberg, Sofia Strömbergsson, Stockholm, Sweden: Universitetsserveice AB , 2011, s. 121-124Konferansepaper (Annet vitenskapelig)
    Abstract [en]

    Eight adult participants were investigated in a pre-experiment for the future assessment of semantic N400 effects in children. The materials were words resented in semantically incongruent vs. congruent picture contexts. For example, he word duck was played while a picture of a tree was shown in the incongruent est condition vs. the word duck was played while a picture of a duck was shown in the congruent test condition. A larger N400 effect was expected in response to the incongruent audio-visual pairings. The results showed in time extended peak-to peak differences between congruent and incongruent audio-visual pairings at the centroparietal, parietal and parieto-occipital recording sites. This study was performed to validate the current materials to be used to answer questions on appearance of the N400 component in children.

  • 20.
    Klintfors, Eeva
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Marklund, Ellen
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Lacerda, Francisco
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Neurolinguistic responses to perception of speech in incongruent picture context2011Inngår i: Proceedings of the 17th International Congress of Phonetic Sciences (ICPhS), August 17-21 2011, Hong Kong, China / [ed] Eric Zee, Hong Kong, China, 2011, s. 1110-1113Konferansepaper (Fagfellevurdert)
    Abstract [en]

    This study investigates N400, the event related potential (ERP) that reflects semantic processing in cortex. The stimuli were semantically congruent vs. incongruent audio-visual pairings of objects (i.e. words presented in familiar picture context). As predicted, the results showed in time extended significant peak-to-peak differences between congruent and incongruent picture-word pairings at the centroparietal and the parietal recording sites. The rationale for this study is our pioneer intent to verify use of ERPs in response to the current materials. After extension of this research, the data will be used in comparison to answer questions on appearance of the semantic component in young children. Based on earlier research, we expect that the N400 component in children will be greater in amplitude, delayed in latency and more widely distributed in scalp distribution.

  • 21.
    Klintfors, Eeva
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Marklund, Ellen
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Lacerda, Francisco
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Parallels in infants' attention to speech articulation and to physical changes in speech-unrelated objects2011Inngår i: Proceedings of the 12 th Annual Conference of the International Speech Communication Association (Interspeech 2011). / [ed] Piero Cosi, Renato De Mori, Giuseppe Di Fabbrizio, Roberto Pieraccini, Firenze, Italy: International Speech Communication Association (ISCA), Causal Productions Pty Ltd , 2011, s. 2197-2200Konferansepaper (Fagfellevurdert)
    Abstract [en]

    The mechanisms of how children develop the capacity to make use of speech articulation cues to support interpretation of the speech signal are not exhaustively explored. The purpose of this study is to investigate if there are parallels in infants’ way of attending to speech articulation and their perception of physical changes in speech-unrelated objects. The current research questions grew out from an earlier study in which it was found that perception of speech in infants was based on a match between auditory and visual prominence – as opposed to a match between sound and to it corresponding face. Data suggested that speech perception in infancy may function as described by Stevens power law, and two methodological supplements to test the validness of this hypothesis were made in the current study. First, a non-articulatory test condition was added to investigate infants’ perception of speech-unrelated objects. Second, amplitude manipulated stimuli were added to introduce systematic changes in loudness. Results confirmed our hypothesis; the visually prominent articulations were favored, and the same pattern was found in response to nonspeech related objects.

  • 22.
    Klintfors, Eeva
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Sundberg, Ulla
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Lacerda, Francisco
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Marklund, Ellen
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Gustavsson, Lisa
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Bjursäter, Ulla
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Schwarz, Iris-Corinna
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Söderlund, Göran
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Development of communicative skills in 8- to 16-month-old children: A longitudinal study2008Inngår i: Proceedings of The 9th International Conference on Spoken Language Processing, Interspeech2008, Brisbane, September, 2008., 2008, s. 1972-1975Konferansepaper (Fagfellevurdert)
    Abstract [en]

    The aim of this study was to assess development of communicative skills in 8- to 16-month-old children. Information on 24 Swedish children’s speech comprehension and production, as well as their utilization of communicative gestures was collected. A version of the MacArthur Communicative Development Inventory, the Swedish Early Communicative Development Inventory (SECDI), was used. The number of comprehended phrases, size of receptive and productive vocabularies, as well as the subjects’ gesture score was estimated according to standardized scoring instructions. The study was performed longitudinally based on 71 completed forms. The children’s performance was validated with existing norm-data collected from a large set of randomly selected children. The results showed an overall agreement with the norm-data. The performance of the subjects was though less stable and delayed about one month was compared to the norm-data. Adequacy of SECDI for screening language delay is discussed.

  • 23.
    Koponen, Eeva
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Gustafsson, Lisa
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Lacerda, Francisco
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Effects of linguistic variance on sound-meaning connections in early stages of language acquisition2003Inngår i: Proceedings of the 15th International Congress of Phonetic Sciences: Barcelona, 3-9 August 2003. Vol. 2/3 / [ed] M.J. Solé, D. Recasens & J. Romero, Adelaide, S. Aust.: Casual Productions , 2003, s. 1975-1978Konferansepaper (Fagfellevurdert)
    Abstract [en]

    To explore the processes underlying early sound-meaning connections an artificial language was created and used in a series of infant speech perception studies. The subjects were tested using the Visual Preference Procedure. The subjects’ responses were quantified in terms of looking times towards objects shown during the audio-visual exposure. Exposure to speech materials with large variance seemed to curtail the subjects’ ability to establish stable sound-meaning connections. However, reducing the linguistic variance led to successful sound-meaning connections. These results indicate that linguistic variance is one of the primary determinants of sound-meaning connections for 1-year old subjects. The paper will discuss how structural differences in natural language settings may account for the infant’s performance on word learning.

  • 24.
    Koponen, Eeva
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Ambient language effects on babbling: pitch contours in Swedish and American 12- and 18-month-olds2002Inngår i: Proceedings from Fonetik 2002, Stockholm Center for Physics, Astronomy and Biotechnology, Stockholm, May 29-31, 2002. / [ed] Cathrin Dunger, Björn Granström, David House, Anne-Marie Öster, Stockholm: Department of Speech, Music and Hearing, KTH, Printed by Universitetsservice AB , 2002, s. 13-16Konferansepaper (Annet vitenskapelig)
    Abstract [en]

    Results of a previous listening test have indicated that tonal word accent contours present in 12- and 18-monthers’ babbling may provide listeners with perceptually reliable cues to ambient language. In particular, Swedish 18- and, to some extent, 12-monthers were judged to produce more grave accent-like vocalizations than were American English children in the same age-groups.

         The present experiment was carried out to evaluate the phonetic substance underlying these listener judgments. It was expected that utterances that had been judged as grave in the listening test would display F0 characteristics typical of Swedish grave accent words, i.e., two-peaked contours with a marked second tone-peak. F0 measurements were made of the same disyllabic babbles that had been used in the listening test.

         Results indicated that vocalizations that had been judged as having the grave accent in the listening test differed from those that had not been judged as having the grave accent. Specifically, vocalizations judged as grave displayed higher F0 in the second vowel of the disyllabic vocalizations. Essentially, then, the result supported the view that Swedish 18-monthers (and, to a lesser extent, 12-monthers) may just be beginning to gain command of the tonal aspect of the word accent contrast, and that the relevant tonal contour can be reliably detected in listening.

  • 25.
    Koponen, Eeva
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Assessing the Relevance of Prosodic and Phonotactic Cues on Parsing the Speech Stream by Young Language-Learners2001Independent thesis Advanced level (degree of Master (One Year)), 10 poäng / 15 hpOppgave
    Abstract [en]

    This is a study about how one-year-old Swedish-learning infants presumably use probabilistic information, such as prosody and phonotactic regularity, in segmentation of speech. The variables studied were the Swedish tonal word accents I & II and the distributional regularities of within-word and between-word consonant clusters in Swedish infant-directed speech. The results – which were not as clear-cut as the results obtained in earlier experiments on English-learning infants – suggest that 12-month old Swedish infants might be sensitive to prosodic cues to word boundaries: in experiment 1, altering the phonotactics of the stimuli reversed the infants’ preference for word accent types. However this was not confirmed in experiment 2, instead there was a general preference for listening at the accent II words. The results also suggest that 12-month old Swedish infants might not use phonotactic cues to word boundaries to the extent as expected: in experiment 1 and 2, altering the word accent types did not reverse the infants’ preference for phonotactics. Instead, both in experiment 1 and 2, there was a general preference for listening at the within-word stimuli. When compared with earlier research these findings indicate that infants, besides being able to integrate multiple statistical cues to word boundaries, might early in life be assisted by pattern-recognition in speech segmentation.

  • 26.
    Koponen, Eeva
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik. Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för datorlingvistik.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Effects of Target-Word Frequency Rate on Sound-Meaning-Connection in Five to Fifteen Month-Old Swedish Infants1999Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [en]

    The purpose of this study was to examine the effects of manipulating target-word frequency rate and target-word phrase position on sound-meaning-connection in five to fifteen month old Swedish infants. Three different test conditions, each one of them a film showing objects and corresponding phrases made of randomly generated artificial words, were designed. The structure of the first, high variability test condition included context-dependent information and the structures of the second and the third, low variability test conditions were characterised by frequent nonsense target-word rate, target-words occurring in phrase final position. The aim of the artificial input language was to ensure the novelty of test material, and to simulate the type of learning situation - when the semantic content of words is arbitrary - facing young infants in the beginning of language learning. Analysis of informants looking behaviour, prior to, and after exposure to the objects and the corresponding audio input, were performed. Results showed that the structure of high variability test condition and the structure of low variability test conditions were associated with significant between-group differences. This finding indicates that the nonsense phrases in low variability test conditions managed to 'explain' the objects just like semantically meaningful phrases do. When compared with past research, these findings seem to suggest that experience-dependent mechanisms may support, besides word segmentation, even more complicated aspects of language learning, such as acquisition of syntax.

  • 27.
    Koponen, Eeva
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Phonotactic and word accent cues for speech segmentation in Swedish one-year-olds2001Inngår i: Papers from Fonetik 2001, Örenäs, May 30 - June 1, 2001. / [ed] Anastasia Karlsson, Joost van de Weijer, Lund: Department of Linguistics and Phonetics, Lund University, Printed by UB Media , 2001, s. 90-93Konferansepaper (Annet vitenskapelig)
    Abstract [en]

    Two experiments were designed to examine 12-month-old Swedish-learning infants’ ability to use phonotactic and word accent cues to word boundaries. Twenty-five infants were tested using the so-called Visual Preference Procedure. The stimuli were CVC.CVC (experiment 1) and CVC.CVCCVC nonsense words (experiment 2). The word accent of the stimuli signalled either a single word-like unit or two separate units. Also, the cross-syllabic C.C clusters of the stimuli were either typically occurring within words or across word boundaries. The infants looking times at images of objects, presented along the nonsense words, were measured. Compared with results of similar experiments on English-learning infants, the results of the present study were not clear-cut: the infants did not specifically respond to word boundary cues. Instead, a preference for accent 2 stimuli and stimuli with typical word internal phonotactics was found.

  • 28.
    Koponen, Eeva
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Word Frequency Influences Sound-Meaning Associations2000Inngår i: Proceedings of Fonetik 2000, The 13th Swedish Phonetic Conference, Skövde, May 24-26, 2000. / [ed] Antonis Botinis, Niklas Torstensson, Skövde: Department of Languages, University of Skövde , 2000, s. 81-84Konferansepaper (Annet vitenskapelig)
    Abstract [en]

    Two experiments were designed to examine 12-month-old Swedish-learning infants’ ability to use phonotactic and word accent cues to word boundaries. Twenty-five infants were tested using the so-called Visual Preference Procedure. The stimuli were CVC.CVC (experiment 1) and CVC.CVCCVC nonsense words (experiment 2). The word accent of the stimuli signalled either a single word-like unit or two separate units. Also, the cross-syllabic C.C clusters of the stimuli were either typically occurring within words or across word boundaries. The infants looking times at images of objects, presented along the nonsense words, were measured. Compared with results of similar experiments on English-learning infants, the results of the present study were not clear-cut: the infants did not specifically respond to word boundary cues. Instead, a preference for accent 2 stimuli and stimuli with typical word internal phonotactics was found.

  • 29.
    Koponen, Eeva
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Lacerda, Francisco
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Final lengthening in infant directed speech may function as a cue to phrase constituents2003Inngår i: Proceedings from Fonetik 2003, Lövånger, June 2-4, 2003. / [ed] Mattias Heldner, Umeå: Print & Media , 2003, s. 9-12Konferansepaper (Annet vitenskapelig)
    Abstract [en]

    The aim of the current study was to investigate whether lengthening of word and phrase final vowels in infant directed speech (IDS) occurs to the same degree as lengthening of word and phrase final vowels in adult directed speech (ADS). The stimuli consisted of vowels embedded in a two-syllable nonsense word that were varied systematically with respect to phrase position and focal accent. At phrase level, the results showed that FL in accented words in IDS was significantly greater as compared to ADS. Earlier studies have shown that young children are sensitive to pauses as markers to phrase constituents. In line with these experiments, the perceptual importance of FL in IDS is discussed.

  • 30.
    Lacerda, Francisco
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Gustavsson, Lisa
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Multi-sensory information as an improvement for communication systems efficiency2005Inngår i: Proceedings FONETIK 2005: The XVIIIth Swedish Phonetics Conference May 25–27 2005 / [ed] Anders Eriksson and Jonas Lindh, Göteborg: Department of Linguistics, Göteborg University , 2005, s. 81-86Konferansepaper (Annet vitenskapelig)
  • 31.
    Lacerda, Francisco
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Gustavsson, Lisa
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Lagerkvist, Lisa
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Marklund, Ellen
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Sundberg, Ulla
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Ecological theory of language acquisition2004Inngår i: Proceedings of the Fourth International Workshop on Epigenetic RoboticsLund University Cognitive Studies / [ed] Berthouze, L., Kozima, H., Prince, C. G., Sandini, G., Stojanov, G., Metta, G., and Balkenius, C., 2004, s. 147-148Konferansepaper (Annet vitenskapelig)
  • 32.
    Lacerda, Francisco
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Gustavsson, Lisa
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Marklund, Ellen
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Sundberg, Ulla
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Emerging linguistic functions in early infancy2005Inngår i: Epigenetic and Robotics: Nara, Japan, 2005, 2005, s. 8-Konferansepaper (Fagfellevurdert)
    Abstract [en]

    This paper presents results from experimental studies on early language acquisition in infants and attempts to interpret the experimental results within the framework of the Ecological Theory of Language Acquisition (ETLA) recently proposed by (Lacerda et al., 2004a). From this perspective, the infant's first steps in the acquisition of the ambient language are seen as a consequence of the infant's general capacity to represent sensory input and the infant's interaction with other actors in its immediate ecological environment. On the basis of available experimental evidence, it will be argued that ETLA offers a productive alternative to traditional descriptive views of the language acquisition process by presenting an operative model of how early linguistic function may emerge through interaction.

  • 33.
    Lacerda, Francisco
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Marklund, Ellen
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Lagerkvist, Lisa
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Gustavsson, Lisa
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Sundberg, Ulla
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    On the linguistic implications of context-bound adult-infant interactions2004Inngår i: Proceedings of the Fourth InternationalWorkshop on Epigenetic Robotics (EPIROB 2004), Lund University Cognitive Studies / [ed] Berthouze, H. Kozima, C. Prince, G. Sandini, G. Stojanov, G. Metta and C. Balkenius, 2004, s. 149-150Konferansepaper (Annet vitenskapelig)
  • 34.
    Lacerda, Francisco
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Sundberg, Ulla
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Schwarz, Iris-Corinna
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Walberg, Heléne
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Bjursäter, Ulla
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Marklund, Ellen
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Söderlund, Göran
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Gustavsson, Lisa
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Development of lateralised speech perception: Brain activation in 4-month-olds and adults2008Inngår i: Papers from the first Birgit Rausing Language Program Conference in Linguistics, Lund, June 2008 / [ed] Kai-Uwe Alter, Lund: Centre for Languages and Literature, Lund University , 2008, s. 45-46Konferansepaper (Annet vitenskapelig)
    Abstract [en]

    Previous fMRI and PET studies indicated left hemispheric activation for the processing of speech and phonetic features, and right hemispheric activation for the processing of emotions and melody. EEG measures are not commonly employed in lateralisation research, neither has lateralisation been extensively investigated in a developmental perspective. This study aims to fill this gap. Although ERP measures cannot precisely localize task-activated cortical regions, differences in voltage reflect scalp electricity in response to the activation of a distinct neural network (Giard et al., 1995). With EEG, we study the lateralisation of speech processing in 4- and 9-month-olds and adults in two conditions, spoken sentences and their spectrally rotated version. Rotating is a technique to render speech intelligible while preserving language-specific characteristics such as rhythm. A previous EEG study showed no lateralisation in 4-month-olds for the processing of speech versus nonspeech sounds as measured with 65 electrodes (Dehaene-Lambertz, 2000). For refined measurement, we employ 128 electrodes and use infant-directed speech stimuli for both conditions. It has been established that language comprehension tasks elicit bilateral hemispheric activation (Awad, Warren, Scott, Turkheimer, & Wise, 2007; Davis et al., 2007), showing intrahemispheric localisation differences within the left hemisphere for phonetic features and comprehension in speech processing tasks (Obleser, Zimmermann, Van Meter, & Rauschecker, 2007; Scott, Blank, Rosen, & Wise, 2000). As sentence comprehension increases with age, we predict an increase of activation in the left hemisphere when comparing 4- to 9-month-olds and 9-month-olds to adults. The melodic and emotional components of the infant-directed speech stimuli should elicit right-hemispheric activation which is predicted to decrease with age. Therefore, the measured differences between left- and right-hemispheric activation are predicted to increase with age. Left-hemispheric activation is also expected for the rotated speech condition due to the speech-likeness of the stimuli, however to a lesser degree than in the natural sentence condition (Ischebeck, Friederici, & Alter, 2007). This activation difference between the speech and rotated speech conditions should also increase with age as comprehension increases. The results are presented in regard to these hypotheses and discussed in the light of recent research.

  • 35.
    Larsson, Åsa
    et al.
    Skolporten AB.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Kombination av sinnesintryck - en kraftfull grund för inlärning2008Annet (Annet (populærvitenskap, debatt, mm))
    Abstract [sv]

    Eeva Klintfors avhandling visar att spädbarn lär sig ord genom att kombinera olika sinnesintryck. – Information via alla sinnen bidrar till helheten: det man hör, ser, smakar, luktar och känner. Det handlar om multisensorisk exponering, säger hon.

  • 36.
    Marklund, Ellen
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Lacerda, Francisco
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Gustavsson, Lisa
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Sundberg, Ulla
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Bjursäter, Ulla
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Potential relevance of general purpose mechanisms to the onset of language: Audio-visual integration of nouns and verbs.2005Inngår i: ESF Research Conference on Brain Development and Cognition in Human Infants: From Action to Cognition, 2005Konferansepaper (Annet vitenskapelig)
  • 37.
    Nilsson, Ing-Catrin
    et al.
    Vi föräldrar .
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Så utvecklas språket2010Annet (Annet (populærvitenskap, debatt, mm))
    Abstract [sv]

    Ditt barn förstår mycket av vad du säger, långt innan det börjar prata själv. Redan i magen tar språkutvecklingen fart. - Foster tar till sig melodier, språkrytm, känslostämningar och sammanhang, till och med enstaka ord, säger språkforskaren Eeva Klintfors.

  • 38.
    Sundberg, Ulla
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Acoustic characteristics of onomatopoetic expressions in child-directed speech2009Inngår i: Proceedings, FONETIK 2009 / [ed] P. Branderud, F. Lacerda, H. Traunmuller, 2009, s. 40-41Konferansepaper (Annet vitenskapelig)
    Abstract [en]

    The purpose of this study was to identify preliminary acoustic and phonological characteristics of onomatopoetic expressions (OE) in Swedish child-directed speech. The material of a mother interacting with her 4-year-old child were transcribed and used for pitch contour measurements on OE. Measurements were also made on some non-onomatopoetic expressions to be used as controls. The results showed that OE were often composed of CV or CVC syllables, as well as that the syllables or words of the expressions were usually reduplicated. Also, the mother’s voice was often modified when OE were used. It was common that the quality of the voice was creaky or that the mother whispered these expressions. There were also changes in intonation and some of the expressions had higher fundamental frequency (f0) as compared to non-onomatopoetic expressions. In several ways then, OE can be seen as highly modified child-directed speech.

  • 39.
    Sundberg, Ulla
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Klintfors, Eeva
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    Lacerda, Francisco
    Stockholms universitet, Humanistiska fakulteten, Institutionen för lingvistik, Avdelningen för fonetik.
    A longitudinal study on early gestures and lexical development: A longitudinal case study on the relationship between early gestures and lexical development2011Inngår i: Proceedings of the 17th International Congress of Phonetic Sciences, 17-21 August, 2011. Hong Kong, China / [ed] Wai-Sum Lee and Eric Zee, 2011, s. 1922-1925Konferansepaper (Fagfellevurdert)
    Abstract [en]

    It has been suggested that children who are early or frequent users of gestures also develop expressive language at an early age. This assumption has been questioned on the grounds that studies performed under controlled laboratory conditions in which gestures are elicited in the absence of contextual support (e.g. in relation to a new object) have shown to correlate positively to vocabulary size, while parent observations of gestural behavior performed with associated objects in naturalistic settings have not. The current longitudinal case study of infants’ early gestural and linguistic development is based on parent reports collected by the standardized Swedish analog of MacArthur Communicative Development Inventory (CDI). Results showed that a positive correlation between frequency of use of early gestures andocabulary size could be found for a subset of subjects.

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