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Related Experiment Video

Updated: May 13, 2026

The 5-Choice Serial Reaction Time Task: A Task of Attention and Impulse Control for Rodents

The 5-Choice Serial Reaction Time Task: A Task of Attention and Impulse Control for Rodents

Published on: August 10, 2014

Target predictability, sustained attention, and response inhibition.

Leonie Carter¹, Paul N Russell, William S Helton

¹Department of Psychology, University of Canterbury, Christchurch, New Zealand.

Brain and Cognition

|March 19, 2013

Summary

This summary is machine-generated.

The Sustained Attention to Response Task (SART) primarily measures response inhibition, not sustained attention. This task format, unlike the vigilance task, also increases task-related thoughts, challenging claims of inducing mindlessness.

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Last Updated: May 13, 2026

The 5-Choice Serial Reaction Time Task: A Task of Attention and Impulse Control for Rodents

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Published on: August 10, 2014

Touchscreen Sustained Attention Task (SAT) for Rats

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Published on: September 15, 2017

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Published on: December 5, 2014

Area of Science:

Cognitive Psychology
Neuroscience

Background:

The Sustained Attention to Response Task (SART) is commonly used to assess sustained attention.
Its effectiveness in measuring response inhibition versus sustained attention requires further investigation.

Purpose of the Study:

To determine if the SART is a better measure of response inhibition or sustained attention.
To compare the SART with a traditional vigilance task (TFT) in terms of cognitive demands and neural activation.

Main Methods:

Participants completed a number detection task using either SART (high Go/low No-Go) or TFT (high No-Go/low Go) response formats.
Stimuli were presented in either a predictable fixed order or a random order.
Cerebral oxygenation was measured using functional near-infrared spectroscopy (fNIRS) in frontal areas.
Post-task self-reports on arousal and conscious thoughts were collected.

Main Results:

Task performance varied based on response format and target predictability.
Greater right than left frontal hemisphere activation was observed in the TFT compared to the SART over time.
The SART format elicited higher self-reported task-related thoughts than the TFT format.

Conclusions:

The SART, regardless of stimulus order, imposes significant response inhibition demands, rather than solely sustained attention.
The increased task-related thoughts in the SART condition contradict the notion that it induces mindlessness.