Related Experiment Video
Updated: May 5, 2026
09:28
Author Spotlight: An Accurate and Quantitative Approach to Study Visual Feature Selectivity of the Optokinetic Reflex in Mice
Published on: June 23, 2023
3.4K
Neural Oscillations Underlying Guilt-Related Modulation of Visual Size Perception
Ying Zhang1,2, Mingyang Sun1,2, Lihong Chen1,2
1Institute of Psychological and Brain Sciences, Liaoning Normal University, Dalian 116029, China.
Behavioral Sciences (Basel, Switzerland)
|May 4, 2026
Summary
Guilt perception enhances visual size overestimation by altering brainwave activity. This study reveals how the emotion of guilt impacts visual processing and neural oscillations.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Psychiatry
Background:
- Self-conscious emotions like guilt influence cognitive processes.
- Neural mechanisms linking guilt to visual perception are not well understood.
Purpose of the Study:
- To investigate how guilt emotion modulates visual size perception.
- To explore the neurophysiological correlates of guilt's effect on visual processing.
Main Methods:
- Utilized a pre-post experimental design with electroencephalography (EEG).
- Conducted four experiments to assess guilt's impact on the Ebbinghaus illusion.
- Performed time-frequency analyses on EEG data.
Main Results:
- Guilt consistently increased size overestimation in the Ebbinghaus illusion.
- Guilt processing correlated with decreased prefrontal theta power and altered theta-alpha phase coupling.
- Occipital alpha phase coherence was linked to guilt-related visual size perception modulation.
Conclusions:
- Guilt shapes fundamental visual processing via coordinated neural oscillations.
- Findings advance understanding of emotion-cognition interactions.
- Results have implications for understanding guilt-related psychiatric disorders.
