Papousek I. Schulter G. Lang B.
Emotion, 9, 510-519
In the framework of models on the lateralized involvement of the cortical hemispheres in affect and psychopathology, the authors examined whether cognitive processes associated with the left and the right prefrontal cortex varied as a function of valence, motivational direction, or intensity of induced mood. Affective states (cheerfulness, anxiety, sadness, anger, and neutral mood) were experimentally induced by short "emotionally contagious films." Findings confirmed that the newly developed films were suitable to effectively elicit the expected affective states and to differentially change the dimensions of interest. Changes in verbal versus figural fluency performance were examined as a function of positive versus negative valence, approach versus withdrawal motivation, and low versus high emotional arousal. Level of interest was evaluated as a control. Both the tendency to withdraw and emotional arousal seemed to produce relative advantages for cognitive processes that are more strongly represented in the right than left prefrontal cortex. Findings suggest that changes in cognitive performance might be best explained by an additive combination of motivational direction and arousal.
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