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The effects of background white noise on memory performance in inattentive school children
Stockholm University, Faculty of Humanities, Department of Linguistics.
2010 (English)In: Behavioral and Brain Functions, ISSN 1744-9081, Vol. 6, 55- p.Article in journal (Refereed) Published
Abstract [en]

Background: Noise is typically conceived of as being detrimental for cognitive performance; however, a recent computational model based on the concepts of stochastic resonance and dopamine related internal noise postulates that a moderate amount of auditive noise benefit individuals in hypodopaminergic states. On the basis of this model we predicted that inattentive children would be enhanced by adding background white noise while attentive children's performance would deteriorate. Methods: Fifty-one secondary school pupils carried out an episodic verbal free recall test in two noise conditions. In the high noise condition, verb-noun sentences were presented during auditory background noise (white noise, 78 dB), and in the low noise condition sentences were presented without noise. Results: Exposure to background noise improved performance for inattentive children and worsened performance for attentive children and eliminated episodic memory differences between attentive and inattentive school children. Conclusions: Consistent with the model, our data show that cognitive performance can be moderated by external background white noise stimulation in a non-clinical group of inattentive participants. This finding needs replicating in a larger sample using more noise levels but if replicated has great practical applications by offering a non-invasive way to improve school results in children with attentional problems.

Place, publisher, year, edition, pages
2010. Vol. 6, 55- p.
National Category
General Language Studies and Linguistics
URN: urn:nbn:se:su:diva-51670DOI: 10.1186/1744-9081-6-55ISI: 000283049100001OAI: diva2:385836
authorCount :4Available from: 2011-01-12 Created: 2011-01-12 Last updated: 2011-01-12Bibliographically approved

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