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000014083 0247_ $$2DOI$$a10.1093/scan/nsq104
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000014083 1001_ $$0P:(DE-Juel1)VDB97074$$aKellermann, T.S.$$b0$$uFZJ
000014083 245__ $$aModulating the processing of emotional stimuli by cognitive demand
000014083 260__ $$aOxford$$bOxford Univ. Press$$c2012
000014083 300__ $$a263-273
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000014083 440_0 $$019361$$aSocial Cognitive and Affective Neuroscience$$x1749-5016
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000014083 520__ $$aEmotional processing is influenced by cognitive processes and vice versa, indicating a profound interaction of these domains. The investigation of the neural mechanisms underlying this interaction is not only highly relevant for understanding the organization of human brain function. Rather, it may also help in understanding dysregulated emotions in affective disorders and in elucidating the neurobiology of cognitive behavioural therapy (e.g. in borderline personality disorder), which aims at modulating dysfunctional emotion processes by cognitive techniques, such as restructuring. In the majority of earlier studies investigating the interaction of emotions and cognition, the main focus has been on the investigation of the effects of emotional stimuli or, more general, emotional processing, e.g. instituted by emotional material that needed to be processed, on cognitive performance and neural activation patterns. Here we pursued the opposite approach and investigated the modulation of implicit processing of emotional stimuli by cognitive demands using an event-related functional magnetic resonance imaging--study on a motor short-term memory paradigm with emotional interferences. Subjects were visually presented a finger-sequence consisting either of four (easy condition) or six (difficult condition) items, which they had to memorize. After a short pause positive, negative or neutral International affective picture system pictures or a green dot (as control condition) were presented. Subjects were instructed to reproduce the memorized sequence manually as soon as the picture disappeared. Analysis showed that with increasing cognitive demand (long relative to short sequences), neural responses to emotional pictures were significantly reduced in amygdala and orbitofrontal cortex. In contrast, the more difficult task evoked stronger activation in a widespread frontoparietal network. As stimuli were task-relevant go-cues and hence had to be processed perceptually, we would interpret this as a specific attenuation of affective responses by concurrent cognitive processing--potentially reflecting a relocation of resources mediated by the frontoparietal network.
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000014083 650_2 $$2MeSH$$aAdult
000014083 650_2 $$2MeSH$$aBrain: blood supply
000014083 650_2 $$2MeSH$$aBrain: physiology
000014083 650_2 $$2MeSH$$aBrain Mapping
000014083 650_2 $$2MeSH$$aCognition: physiology
000014083 650_2 $$2MeSH$$aCues
000014083 650_2 $$2MeSH$$aEmotions: physiology
000014083 650_2 $$2MeSH$$aFemale
000014083 650_2 $$2MeSH$$aFunctional Laterality
000014083 650_2 $$2MeSH$$aHumans
000014083 650_2 $$2MeSH$$aImage Processing, Computer-Assisted
000014083 650_2 $$2MeSH$$aMagnetic Resonance Imaging
000014083 650_2 $$2MeSH$$aMale
000014083 650_2 $$2MeSH$$aMiddle Aged
000014083 650_2 $$2MeSH$$aMultivariate Analysis
000014083 650_2 $$2MeSH$$aNeural Pathways: blood supply
000014083 650_2 $$2MeSH$$aOxygen: blood
000014083 650_2 $$2MeSH$$aPhotic Stimulation
000014083 650_2 $$2MeSH$$aPsychomotor Performance: physiology
000014083 650_2 $$2MeSH$$aTime Factors
000014083 650_2 $$2MeSH$$aYoung Adult
000014083 650_7 $$07782-44-7$$2NLM Chemicals$$aOxygen
000014083 7001_ $$0P:(DE-Juel1)VDB97075$$aSternkopf, M.A.$$b1$$uFZJ
000014083 7001_ $$0P:(DE-HGF)0$$aSchneider, F.$$b2
000014083 7001_ $$0P:(DE-HGF)0$$aHabel, U.$$b3
000014083 7001_ $$0P:(DE-HGF)0$$aTuretsky, B.I.$$b4
000014083 7001_ $$0P:(DE-Juel1)131714$$aZilles, K.$$b5$$uFZJ
000014083 7001_ $$0P:(DE-Juel1)131678$$aEickhoff, S.B.$$b6$$uFZJ
000014083 773__ $$0PERI:(DE-600)2236933-8$$a10.1093/scan/nsq104$$n3$$p263-273$$tSocial cognitive and affective neuroscience$$v7$$x1749-5016$$y2012
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