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Title

State-dependent changes of prefrontal–posterior coupling in the context of affective processing: Susceptibility to humor

Authors
Papousek, Ilona
Reiser, Eva M.
Weiss, Elisabeth M.
Lackner, Helmut K.
Schulter, Günter
Published in Cognitive Affective and Behavioral Neuroscience. 2013, vol. 13, no. 2, p. 252-261
Abstract The aim of the present study was to examine whether interindividual differences in the coupling or decoupling of prefrontal and posterior cortices during the exposure to social–emotional information may predict an individual's positive emotional responsiveness. Susceptibility to humor was assessed in a behavioral paradigm several weeks after the EEG recordings. State-dependent changes of prefrontal–posterior EEG beta coherence were recorded during stimulation with other people's auditory expressions of cheerfulness and sadness. Greater decreases of coherence during the stimulation with positive affect expressions prospectively predicted greater positive emotional responsiveness, indicated by higher amusement ratings in response to cartoons and higher scores in a questionnaire measure of exhilarability. Greater increases of coherence during the stimulation with negative affect expressions did not predict perceived funniness but were related to shorter response latencies to the amusement ratings. The results further support the notion that a more loose prefrontal–posterior coupling may be related to loosening of control of the prefrontal cortex over incoming emotional information and, thus, to a propensity to deeper emotional involvement and a greater impact of perceptual input, whereas increased prefrontal–posterior coupling may be related to strong control and the propensity to protect oneself from becoming emotionally affected.
Keywords Social–emotional stimulationEEG coherenceTop-down modulationHumorPositive affect
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Research group Affective sciences
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PAPOUSEK, Ilona et al. State-dependent changes of prefrontal–posterior coupling in the context of affective processing: Susceptibility to humor. In: Cognitive Affective and Behavioral Neuroscience, 2013, vol. 13, n° 2, p. 252-261. https://archive-ouverte.unige.ch/unige:98015

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Deposited on : 2017-10-25

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