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Title

Wanting and liking in dysphoria: Cardiovascular and facial EMG responses during incentive processing

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Published in Biological Psychology. 2016, vol. 121, Part A, p. 19-29
Abstract Theories and research on depression point to reduced responsiveness during reward anticipation and in part also during punishment anticipation. They also suggest weaker affective responses to reward consumption and unchanged affective responses to punishment consumption. However, studies investigating incentive anticipation using effort mobilization and incentive consumption using facial expressions are scarce. The present studies tested reward and punishment responsiveness in a subclinically depressed sample, manipulating a monetary reward (Study 1) and a monetary punishment (Study 2). Effort mobilization was operationalized as cardiovascular reactivity, while facial expressions were measured by facial electromyographic reactivity. Compared to nondysphorics, dysphorics showed reduced pre-ejection period (PEP) reactivity and blunted self-reported wanting during reward anticipation but reduced PEP reactivity and normal self-reported wanting during punishment anticipation. Compared to nondysphorics, dysphorics showed reduced zygomaticus major muscle reactivity and blunted self-reported liking during reward consumption but normal corrugator supercilii muscle reactivity and normal self-reported disliking during punishment consumption.
Keywords DepressionDysphoriaReward responsivenessPunishment responsivenessCardiovascular reactivityEMG reactivity
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Research group Geneva Motivation Lab
Project FNS: 100019_134557
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FRANZEN, Jessica, BRINKMANN, Kerstin. Wanting and liking in dysphoria: Cardiovascular and facial EMG responses during incentive processing. In: Biological Psychology, 2016, vol. 121, Part A, p. 19-29. https://archive-ouverte.unige.ch/unige:91015

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Deposited on : 2017-01-12

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