ArticleScientific reports2022
EEG time-frequency analysis reveals blunted tendency to approach and increased processing of unpleasant stimuli in dysphoria.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 20 citations in OpenAlex.
- Spatiotemporal dynamics of multispectral oscillatory activity underlying the processing of negative and positive emotional images.NeuroImage · 2025Article
- Reduced Modulation of Theta and Beta Oscillations Mediates Empathy Impairment in Parkinson's Disease.Brain and behavior · 2025Article
- Emotion perception through the nose: how olfactory emotional cues modulate the perception of neutral facial expressions in affective disorders.Translational psychiatry · 2024Article
- Familial risk for depression is associated with reduced physical activity in young adults: evidence from a wrist-worn actigraphy study.Translational psychiatry · 2024Article
- Binocularly suppressed stimuli induce brain activities related to aesthetic emotions.Frontiers in neuroscience · 2024Article
- Reduced approach disposition in familial risk for depression: Evidence from time-frequency alpha asymmetries.PloS one · 2024Article
- Familial risk for depression is associated with reduced P300 and late positive potential to affective stimuli and prolonged cardiac deceleration to unpleasant stimuli.Scientific reports · 2023Article
- Rethinking the risk for depression using the RDoC: A psychophysiological perspective.Frontiers in psychology · 2023Review
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5 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
To date, affective and cognitive processing of emotional information in individuals with depressive symptoms have been examined through peripheral psychophysiological measures, event-related potentials, and time-frequency analysis of oscillatory activity. However, electrocortical correlates of emotional and cognitive processing of affective content in depression have not been fully understood. Time-frequency analysis of electroencephalographic activity allows disentangling the brain's parallel processing of information. The present study employed a time-frequency approach to simultaneously examine affective disposition and cognitive processing during the viewing of emotional stimuli in dysphoria. Time-frequency event-related changes were examined during the viewing of pleasant, neutral and unpleasant pictures in 24 individuals with dysphoria and 24 controls. Affective disposition was indexed by delta and alpha power, while theta power was employed as a correlate of cognitive elaboration of the stimuli. Cluster-based statistics revealed a centro-parietal reduction in delta power for pleasant stimuli in individuals with dysphoria relative to controls. Also, dysphoria was characterized by an early fronto-central increase in theta power for unpleasant stimuli relative to neutral and pleasant ones. Comparatively, controls were characterized by a late fronto-central and occipital reduction in theta power for unpleasant stimuli relative to neutral and pleasant. The present study granted novel insights on the interrelated facets of affective elaboration in dysphoria, mainly characterized by a hypoactivation of the approach-related motivational system and a sustained facilitated cognitive processing of unpleasant stimuli.
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