Dysbindin-1 genotype effects on emotional working memory

C Wolf, M C Jackson, C Kissling, J Thome, D E J Linden

Research output: Contribution to journalArticle

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Abstract

We combined functional imaging and genetics to investigate the behavioral and neural effects of a dysbindin-1 (DTNBP1) genotype associated with the expression level of this important synaptic protein, which has been implicated in schizophrenia. On a working memory (WM) task for emotional faces, participants with the genotype related to increased expression showed higher WM capacity for happy faces compared with the genotype related to lower expression. Activity in several task-related brain areas with known DTNBP1 expression was increased, including hippocampal, temporal and frontal cortex. Although these increases occurred across emotions, they were mostly observed in areas whose activity correlated with performance for happy faces. This suggests effects of variability in DTNBP1 on emotion-specific WM capacity and region-specific task-related brain activation in humans. Synaptic effects of DTNBP1 implicate that altered dopaminergic and/or glutamatergic neurotransmission may be related to the increased WM capacity. The combination of imaging and genetics thus allows us to bridge the gap between the cellular/molecular and systems/behavioral level and extend the cognitive neuroscience approach to a comprehensive biology of cognition.
Original languageEnglish
Pages (from-to)145-155
Number of pages11
JournalMolecular Psychiatry
Volume16
Issue number2
DOIs
Publication statusPublished - Feb 2011

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Short-Term Memory
Genotype
Emotions
Brain
Frontal Lobe
Temporal Lobe
Synaptic Transmission
Cognition
Schizophrenia
Proteins

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Dysbindin-1 genotype effects on emotional working memory. / Wolf, C; Jackson, M C; Kissling, C; Thome, J; Linden, D E J.

In: Molecular Psychiatry, Vol. 16, No. 2, 02.2011, p. 145-155.

Research output: Contribution to journalArticle

Wolf, C, Jackson, MC, Kissling, C, Thome, J & Linden, DEJ 2011, 'Dysbindin-1 genotype effects on emotional working memory' Molecular Psychiatry, vol. 16, no. 2, pp. 145-155. https://doi.org/10.1038/mp.2009.129
Wolf, C ; Jackson, M C ; Kissling, C ; Thome, J ; Linden, D E J. / Dysbindin-1 genotype effects on emotional working memory. In: Molecular Psychiatry. 2011 ; Vol. 16, No. 2. pp. 145-155.
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