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Related Experiment Video

Updated: Jul 24, 2025

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

Stop-signal delay reflects response selection duration in stop-signal task.

Vladislav Aksiotis¹, Andriy Myachykov^2,3, Alexey Tumyalis^4,5

¹Centre for Bioelectric Interfaces, Institute for Cognitive Neuroscience, Higher School of Economics, Krivokolenniy Pereulok 3, Moscow, 101000, Russian Federation.

Attention, Perception & Psychophysics

|July 6, 2023

Summary

The stop-signal task (SST) reveals response inhibition involves two stages. Response selection occurs first, followed by response inhibition, refining our understanding of cognitive control.

Keywords:

Foreperiod Reaction time Response inhibition Response selection

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Related Experiment Videos

Last Updated: Jul 24, 2025

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

Online Transcranial Magnetic Stimulation Protocol for Measuring Cortical Physiology Associated with Response Inhibition

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Published on: February 8, 2018

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

Area of Science:

Cognitive Psychology
Neuroscience
Behavioral Science

Background:

The stop-signal task (SST) is a key tool for studying response inhibition.
Current models like the horse-race model (HRM) do not fully explain the interplay between response selection, execution, and inhibition.

Purpose of the Study:

To clarify the temporal relationship between response selection, execution, and the stop process in the SST.
To propose and validate a revised two-stage model of response inhibition.

Main Methods:

Experiment 1: Modified SST with Cued-Go trials and adaptive algorithm to measure response selection duration.
Experiment 2: Assessed inhibition efficiency following Cued-Go stimuli presented with stop signals.

Main Results:

Stop-signal delay (SSD) duration correlates with individual response selection time.
Response selection has a minor, independent effect on the efficiency of response inhibition.

Conclusions:

The SST involves a two-stage process: response selection followed by response inhibition.
This revised model offers a more nuanced understanding of cognitive control and inhibitory mechanisms.