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Distinct control networks for cognition and emotion in the prefrontal cortex
Stockholm University, Faculty of Social Sciences, Department of Psychology.
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2009 (English)In: Neuroscience Letters, ISSN 0304-3940, E-ISSN 1872-7972, Vol. 467, no 2, 76-80 p.Article in journal (Refereed) Published
Abstract [en]

The activation of dorsolateral prefrontal cortex (dlPFC) has been suggested to reflect the engagement of a control mechanism for top-down biasing of context processing in resource-demanding memory tasks. Here we tested the hypothesis that the dlPFC subserves a similar function also in attention and emotion tasks. 18 healthy young adults were tested in a functional magnetic resonance imaging (fMRI) study where the demands for context processing were manipulated in three different cognitive domains: auditory attention, episodic retrieval, and emotion regulation. We found that the right dlPFC was jointly sensitive to increased cognitive demands in the attention and memory tasks. By contrast, increased demands in the emotion task (reappraisal) were associated with increased activity in ventromedial PFC along with decreased amygdala activity. Our findings of divergent prefrontal control networks for cognitive and emotional control extend previous separations of cognition and emotion in the anterior cingulate cortex.

Place, publisher, year, edition, pages
2009. Vol. 467, no 2, 76-80 p.
Keyword [en]
Cognitive control, Memory, Attention, Emotion
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URN: urn:nbn:se:su:diva-59679DOI: 10.1016/j.neulet.2009.10.005ISI: 000272073900006OAI: diva2:430322
authorCount :5Available from: 2011-07-08 Created: 2011-07-05 Last updated: 2011-07-08Bibliographically approved

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Marklund, Petter
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