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Related Experiment Video

Updated: Jan 28, 2026

Irrelevant Stimuli and Action Control: Analyzing the Influence of Ignored Stimuli via the Distractor-Response Binding Paradigm

Irrelevant Stimuli and Action Control: Analyzing the Influence of Ignored Stimuli via the Distractor-Response Binding Paradigm

Published on: May 14, 2014

Delayed reactive distractor suppression in aging populations.

Brandon K Ashinoff¹, Joy J Geng², Carmel Mevorach¹

¹School of Psychology, University of Birmingham.

Psychology and Aging

|February 26, 2019

Summary

This summary is machine-generated.

Older adults show delayed reactive control, needing more time to suppress distractors effectively. This challenges previous assumptions about intact reactive control in aging populations.

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Published on: May 2, 2013

Area of Science:

Cognitive Psychology
Neuroscience
Aging Research

Background:

Previous research suggested reactive control remains intact in aging populations.
This inference was based on impaired proactive control and a tendency for older adults to favor reactive strategies.
However, direct comparisons of reactive control between young and older adults were lacking.

Purpose of the Study:

To directly compare reactive distractor suppression abilities in young and older adults.
To investigate the temporal dynamics of reactive control initiation in aging.

Main Methods:

A cohort of young (18-21 years) and older (60+ years) adults performed a visual discrimination task.
The task involved identifying T-shapes (upright/inverted) amidst salient or nonsalient distractors.
Distractor presentation times varied to assess temporal aspects of reactive suppression.

Main Results:

Younger participants effectively used salient distractors as anticues, improving reaction time and accuracy.
Older adults failed to suppress salient distractors with a 200-ms display.
Older adults demonstrated successful reactive suppression with a 600-ms display, indicating a delay in initiation.

Conclusions:

The initiation of reactive distractor suppression is delayed in older adults compared to younger adults.
Effective reactive suppression is achievable for older adults, provided sufficient processing time.
Findings suggest that aging impacts the speed of reactive control, not necessarily its ultimate capability.