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Slow change blindness from serial dependence
Haley G Frey1,2, David Whitney1,2,3
1Herbert Wertheim School of Optometry and Vision Science Program, University of California, Berkeley, Berkeley, CA, 94720, USA.
Biorxiv : the Preprint Server for Biology
|November 19, 2025
Summary
Serial dependence, blending past information into current perception, causes slow change blindness. This study shows how this bias in visual perception increases with gradual changes, impacting awareness.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Visual Perception
Background:
- Slow change blindness occurs when large, gradual visual changes go unnoticed.
- Serial dependence, the integration of recent past information into current perception, is a proposed mechanism for visual information processing over time.
Purpose of the Study:
- To investigate the role of serial dependence in the perception of gradual visual changes.
- To determine if serial dependence contributes to slow change blindness.
Main Methods:
- A one-shot experiment where observers judged the hue of a cartoon object undergoing a slow hue change.
- Follow-up experiments using repeated-trials designs to verify findings and confirm the nature of the perceptual bias.
Main Results:
- Observers exhibited a bias towards the past, with the magnitude of this bias increasing as more of the gradual hue change was experienced.
- The study confirmed the occurrence of slow change blindness and identified the bias as serial dependence.
Conclusions:
- Serial dependence actively influences perception during gradual visual alterations.
- This perceptual bias is a key factor contributing to the phenomenon of slow change blindness.
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