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Updated: Jun 8, 2026

Visualizing Visual Adaptation

Visualizing Visual Adaptation

Published on: April 24, 2017

Retinotopic adaptation-based visual duration compression.

Aurelio Bruno¹, Inci Ayhan, Alan Johnston

¹Cognitive, Perceptual and Brain Sciences, Division of Psychology and Language Sciences, University College London, London, UK. a.bruno@ucl.ac.uk

Journal of Vision

|October 2, 2010

Summary

This summary is machine-generated.

Adaptation-based duration compression occurs in the retinas, not the head. This visual perception finding suggests an early processing stage for temporal adaptation effects.

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Area of Science:

Neuroscience
Visual Perception
Cognitive Science

Background:

The visual system must maintain a stable world perception despite constant eye movements.
Object location mapping shifts from retinal to head and body-referenced coordinates.
Adaptation-based duration compression is a phenomenon affecting perceived event timing.

Purpose of the Study:

To determine if adaptation-based duration compression occurs in a retinocentric (eye-based) or head-centric (head-based) frame of reference.
To investigate the locus of temporal adaptation effects within the visual processing pathway.

Main Methods:

Utilized an adaptation schedule minimizing shifts in apparent temporal frequency.
Measured apparent duration after stimuli translated on the retina versus in head-centered coordinates.
Assessed duration compression changes following gaze direction shifts to differentiate reference frames.
Examined interocular transfer of adaptation effects.

Main Results:

Substantial apparent duration compression was observed even when temporal frequency adaptation effects were minimized.
Retinotopic adaptation (stimulus fixed on the retina) elicited significant duration compression.
Spatiotopic adaptation (stimulus fixed in head-centered coordinates) did not significantly alter apparent duration.
No interocular transfer of adaptation was detected.

Conclusions:

Adaptation-based duration compression appears to be primarily driven by retinotopic adaptation.
The findings suggest an early processing locus for this visual adaptation effect, likely within the retina or early visual pathways.
The results challenge head-centric models for this specific temporal adaptation phenomenon.