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Perceptual confidence of visual stimulus features is associated with duration perception
Bing-Hui Liu1, Li-Hua Mao2, Bin Zhou3,4
112465Peking University, Beijing, China; Institute of Military Veterinary Medicine, Academy of Military Medical Sciences, Academy of Military Sciences, Changchun, China.
Perception
|September 1, 2022
Summary
Increased confidence in visual perception, such as motion direction or dot quantity, lengthens subjective time perception. This suggests object processing significantly impacts how we perceive event timing.
Area of Science:
- Cognitive Neuroscience
- Psychology
- Visual Perception
Background:
- Perceived duration in the subsecond range is linked to nontemporal perceptual properties, but the underlying mechanism is unclear.
- Early visual feature processing has been shown to modulate apparent duration.
Purpose of the Study:
- To investigate the relationship between perceptual confidence and subjective time perception.
- To examine how simultaneous temporal and nontemporal perceptual judgments influence perceived duration.
Main Methods:
- Participants performed simultaneous temporal and nontemporal perceptual judgments.
- Confidence levels in judging coherent motion direction and relative dot numerosity were assessed.
Main Results:
- A significant effect of confidence levels on perceived duration was observed.
- Higher confidence in judging motion direction or dot numerosity correlated with longer perceived stimulus duration.
Conclusions:
- Perceptual confidence significantly influences subjective time perception.
- Object processing plays a crucial role in the computation of subjective time.
- Findings offer insights into the mechanisms of event timing and perceptual decision-making.
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