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Adapting Attentional Control Settings In A Shape-changing Environment.

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Adapting Attentional Control Settings In A Shape-changing Environment.

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Adapting attentional control settings in a shape-changing environment.

Yunyun Mu¹, Anna Schubö², Jan Tünnermann²

¹Department of Psychology, Cognitive Neuroscience of Perception and Action, Philipps-University Marburg, Gutenbergstraße 18, 35032, Marburg, Germany. yunyun.mu@uni-marburg.de.

Attention, Perception & Psychophysics

|January 3, 2024

View abstract on PubMed

Summary

This summary is machine-generated.

Humans adapt search strategies to changing visual environments. Even when color defines targets, searchers adjust choices based on distractor shapes, demonstrating dynamic attentional control.

Keywords:

Adaptive choice visual search Attentional control Online experiment Selective attention Shape

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Area of Science:

Cognitive Psychology
Visual Perception
Human-Computer Interaction

Background:

Humans dynamically adjust attentional control in complex visual environments.
Adaptation mechanisms to changing environments, particularly in visual search, are not fully understood.

Purpose of the Study:

To investigate how observers adapt target choices in dynamic visual search tasks.
To examine the influence of changing distractor shapes on attentional control settings.
To compare online and lab-based assessment of adaptive visual search.

Main Methods:

Two experiments (online and lab) using a visual search task with color singleton targets and changing shape distractors.
Participants selected between two equally colored targets with differing shapes.

Bayesian modeling analyzed adaptation strength, delay, and bias.

Main Results:

Participants adapted target choices based on the shape ratio of distractors.
A tendency to select targets with fewer shape distractors was observed, despite color-only solvability.
Adaptation tracked regularities in the changing environment, with Bayesian models quantifying parameters.

Conclusions:

Shape, even as a non-target-defining feature, significantly influences attentional control adjustments.
Systematic changes in distractor features impact search behavior and attentional settings.
The study validates shape as a suitable feature for online adaptive choice experiments.