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Related Experiment Video

Updated: Jan 14, 2026

Author Spotlight: Exploring the Link Between Time Perception of Visual Stimuli and Reading Skills

Author Spotlight: Exploring the Link Between Time Perception of Visual Stimuli and Reading Skills

Published on: January 19, 2024

Causality: perceiving the causes of visual events.

Alan Johnston¹

¹Cognitive, Perceptual and Brain Sciences, Psychology and Language Sciences, University College London, Gower Street, London WC1E 6BT, UK. a.johnston@ucl.ac.uk

Current Biology : CB

|March 12, 2013

Summary

Adapting to visual collisions changes how we perceive their cause, favoring a sliding interpretation over launching. This effect is location-specific, revealing a low-level perceptual basis for understanding visual events.

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Area of Science:

Perceptual science
Cognitive neuroscience
Vision science

Background:

Human perception interprets visual events, including collisions, to infer causality.
Previous research suggests top-down cognitive processes influence event perception.

Purpose of the Study:

To investigate whether low-level visual adaptation influences the perceived causality of object collisions.
To determine if adaptation-specific effects on collision perception exist within a defined retinal location.

Main Methods:

Participants adapted to visual collision stimuli presented at specific retinal locations.
Post-adaptation, participants judged the perceived causality (sliding vs. launching) of novel collision events.
Control conditions assessed perception without adaptation.

Main Results:

Adaptation to visual collisions significantly increased the perceived likelihood of a 'sliding' interpretation compared to a 'launching' interpretation.
This adaptation effect was confined to the specific retinal location where adaptation occurred.
No significant changes in causality perception were observed in non-adapted retinal locations.

Conclusions:

Low-level visual adaptation has a causal role in interpreting visual events.
The perception of collision causality is modulated by adaptation within specific retinal areas.
This suggests a fundamental, location-specific perceptual mechanism underlies the interpretation of visual event dynamics.