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Related Experiment Video

Updated: Jan 6, 2026

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

Age-related differences in performance on a categorical visual foraging task.

Marianna Pope¹, Joseph H R Maes¹, Joukje M Oosterman¹

¹Donders Centre of Cognition, Donders Institute for Brain, Cognition, and Behaviour, Radboud University.

Psychology and Aging

|October 20, 2025

Summary

This summary is machine-generated.

Older adults show slower visual search and collect fewer targets when distractors are similar. Despite increased cognitive demands, they adapt foraging strategies to maintain performance.

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Area of Science:

Cognitive Psychology
Neuroscience
Human Factors

Background:

Older adults often have diminished visual search and foraging task performance.
Target-distractor similarity in visual search offers insights into attention and foraging strategies.
Categorical information and foraging tasks lack extensive research regarding age-related differences.

Purpose of the Study:

To investigate age-related differences in foraging tasks using categorical target-distractor similarity.
To examine how target-distractor similarity impacts visual attention and foraging strategies in younger and older adults.
To understand adaptive strategies employed by older adults facing increased cognitive control demands.

Main Methods:

Online foraging task administered to younger (18-35 years) and older adults (55-80 years).
Participants searched for targets from a specific category among distractors from high or low similarity categories.
Performance metrics included search speed, target collection, and search efficiency.

Main Results:

Older adults were slower, collected fewer targets, and had lower search efficiency, particularly in high similarity conditions.
Both age groups exhibited similar foraging strategies, with increased exploitation in high similarity conditions.
Target-distractor similarity increased attentional demands, especially for older adults, but exploration-exploitation behavior remained relatively stable.

Conclusions:

Age-related differences exist in categorical visual search performance.
Older adults adapt foraging strategies, like collecting fewer targets, to manage increased cognitive load.
Findings highlight older adults' capacity to adjust to cognitive control demands in foraging tasks.