Emotion anticipation and processing in depression: Behavioral, neural, and physiological reactivity
Magdalena Wlad1, Wiebke Struckmann2, Jonas Persson1
1Department of Medical Sciences, Psychiatry, https://ror.org/048a87296Uppsala University, Uppsala, Sweden.
Summary
Depression disrupts emotion processing, impacting brain activity and physiological responses. Patients showed altered neural responses to positive anticipation and heightened skin conductance to negative stimuli.
Area of Science:
- Neuroscience
- Psychiatry
- Psychophysiology
Background:
- Depression involves altered emotion processing and aberrant neural/physiological responses.
- Investigated neural and electrodermal reactivity during emotion anticipation and processing.
Purpose of the Study:
- To compare brain neural and electrodermal reactivities in depression patients versus healthy controls.
- To understand how depression affects emotion anticipation and processing.
Main Methods:
- Used functional magnetic resonance imaging (fMRI) and electrodermal activity (EDA) measurement.
- Presented emotional cues (red/green) followed by positive/negative pictures.
- Assessed behavioral ratings and anhedonia in 42 patients and 44 controls.
Main Results:
- Patients rated positive pictures less positively and showed increased anterior cingulate cortex/right insula activation during positive anticipation.
- Healthy controls exhibited stronger electrodermal responses to both positive and negative anticipation.
- Depression patients displayed higher electrodermal reactivity to negative pictures.
Conclusions:
- Depression impacts emotion anticipation and processing behaviorally, neurally, and physiologically.
- Findings enhance understanding of the neural and physiological underpinnings of depression.
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