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Related Experiment Video

Updated: Feb 2, 2026

Assessment of Memory Function in Pilocarpine-induced Epileptic Mice

Assessment of Memory Function in Pilocarpine-induced Epileptic Mice

Published on: June 4, 2020

Executive working memory load induces inattentional blindness.

Daryl Fougnie¹, René Marois

¹Department of Psychology, Vanderbilt University, Nashville, Tennessee 37203, USA. d.fougnie@vanderbilt.edu

Psychonomic Bulletin & Review

|June 5, 2007

Summary

Inattentional blindness (IB) occurs when attention is focused, causing people to miss unexpected visual events. This study shows that engaging executive functions, like rearranging information, significantly increases IB.

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Area of Science:

Cognitive Psychology
Neuroscience
Visual Perception

Background:

Inattentional blindness (IB) is the failure to notice unexpected stimuli when attention is engaged in a task.
Previous research suggests IB can be induced by visuospatial attention demands, but its link to later cognitive processes is less clear.

Purpose of the Study:

To investigate whether central executive processes can specifically induce inattentional blindness.
To determine if manipulating working memory impacts the detection of unexpected visual stimuli.

Main Methods:

Participants performed a working memory task involving either simple verbal maintenance or verbal manipulation (alphabetical rearrangement).
An unexpected visual stimulus was presented during the retention interval of the working memory task.
The likelihood of detecting the unexpected stimulus was compared between the maintenance and manipulation conditions.

Main Results:

Participants were significantly more likely to miss the unexpected stimulus when engaged in the manipulation task compared to the simple maintenance task.
This indicates that the engagement of executive functions impairs the detection of task-irrelevant visual stimuli.

Conclusions:

The engagement of executive processes can induce inattentional blindness.
These findings suggest that inattentional blindness can arise from central, amodal stages of information processing, particularly those involving executive control.