Abstract:
BACKGROUND:The present study tested the hypothesis of a differential pattern of reward and punishment responsiveness in depression measuring effort mobilization during anticipation and facial expressions during consumption. METHODS:Twenty patients with major depressive disorder (MDD) and 20 control participants worked on a memory task under neutral, reward, and punishment instructions. Effort mobilization was operationalized as cardiovascular reactivity, while facial expressions were measured by facial electromyographic reactivity. Self-report measures for each phase complemented this multi-method approach. RESULTS:During anticipation, MDD patients showed weaker cardiac pre-ejection period (PEP) reactivity to reward and blunted self-reported wanting, but weaker PEP reactivity to punishment and unchanged self-reported avoidance motivation. During consumption, MDD patients showed reduced zygomaticus major muscle reactivity to reward and blunted self-reported liking, but unchanged corrugator supercilii muscle reactivity to punishment and unchanged self-reported disliking. CONCLUSIONS:These findings demonstrate reduced effort mobilization during reward and punishment anticipation in depression. Moreover, they show reduced facial expressions during reward consumption and unchanged facial expressions during punishment consumption in depression.
journal_name
Psychol Medjournal_title
Psychological medicineauthors
Franzen J,Brinkmann K,Gendolla GHE,Sentissi Odoi
10.1017/S0033291718001526subject
Has Abstractpub_date
2019-04-01 00:00:00pages
922-930issue
6eissn
0033-2917issn
1469-8978pii
S0033291718001526journal_volume
49pub_type
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