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Related Concept Videos

Perceptual Constancy01:12

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Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
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Gestalt principles provide a framework for understanding how humans perceive objects as unified wholes within their context. These principles are essential in explaining the cognitive processes that make sense of complex visual stimuli by organizing them into coherent groups. One fundamental principle is proximity, which posits that objects located close to each other are perceived as a collective group. For instance, when dots are positioned near one another, the visual system interprets them...
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Related Experiment Video

Updated: Mar 20, 2026

Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments
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Does visual attention drive the dynamics of bistable perception?

Kevin C Dieter1, Jan Brascamp2, Duje Tadin3,4

  • 1Vanderbilt Vision Research Center and Department of Psychology, Vanderbilt University, Nashville, TN, 37240, USA. kevin.dieter@vanderbilt.edu.

Attention, Perception & Psychophysics
|May 28, 2016
PubMed
Summary

Visual attention is crucial for some forms of bistable perception, like binocular rivalry, but not others. This finding clarifies how attention influences our visual experience and perception.

Keywords:
Attention: Divided Attention and InattentionBinocular vision: Rivalry/Bistable PerceptionVisual perception

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Visual Perception

Background:

  • Bistable perception involves fluctuating visual experiences despite constant sensory input.
  • Research is divided on whether attention or attention-independent processes drive these perceptual alternations.

Purpose of the Study:

  • To reconcile conflicting findings regarding the role of attention in bistable perception.
  • To investigate how different forms of bistable perception are affected by attention.

Main Methods:

  • Literature review of studies on bistable perception and visual attention.
  • Analysis of evidence differentiating attention-dependent and attention-independent processes.

Main Results:

  • Visual attention is necessary for alternations in binocular rivalry.
  • Other forms of bistable perception can alternate without requiring attention.

Conclusions:

  • Both attention-dependent and attention-independent mechanisms contribute to bistable perception.
  • The role of attention varies depending on the specific type of bistable perception.