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Updated: Apr 15, 2026

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
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Decisional processes balance sensitivity and stability in visual perception.

Kuo-Wei Chen1, Gi-Yeul Bae2

  • 1Department of Psychology, Arizona State University, 950 S. McAllister Ave., Tempe, AZ, 85287, USA.

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|April 14, 2026
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Summary
This summary is machine-generated.

Visual adaptation enhances sensitivity but can cause biases. This study shows early repulsive biases diminish over time due to decision processes, balancing perception and stability.

Keywords:
AttractionDecisional dynamicsRepulsionResponse timeResponse trajectorySerial dependence

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Area of Science:

  • Visual perception
  • Cognitive neuroscience
  • Human psychophysics

Background:

  • The human visual system uses adaptation to improve sensitivity but this can cause perceptual biases.
  • Serial dependence research suggests integration of new and past sensory inputs creates attractive biases for stability.
  • The interaction between adaptation-induced repulsive biases and serial dependence attractive biases is not well understood.

Purpose of the Study:

  • To investigate the temporal dynamics of repulsive and attractive biases in visual perception.
  • To test the hypothesis that adaptation causes early repulsive biases mitigated by later post-perceptual decisional processing.

Main Methods:

  • Two orientation perception tasks were used.
  • Participants reproduced target orientation using a mouse.
  • Mouse trajectories were recorded to analyze response dynamics.

Main Results:

  • Responses initiated more slowly when current stimuli resembled prior stimuli.
  • Mouse-tracking revealed an initial strong repulsive bias away from the prior stimulus.
  • This repulsive bias decreased as the response unfolded, becoming attractive in some contexts.

Conclusions:

  • Post-perceptual decision processes influence both repulsive and attractive serial biases.
  • The visual system balances sensitivity and stability by dynamically reducing early repulsive biases.
  • Decisional mechanisms optimize behavior by mitigating perceptual conflicts in specific task contexts.