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Updated: Nov 9, 2025

An Operant Intra-/Extra-dimensional Set-shift Task for Mice

An Operant Intra-/Extra-dimensional Set-shift Task for Mice

Published on: January 22, 2016

Stimulus-response complexity influences task-set inhibition in task switching.

Li Zhao^1,2,3, Saisai Hu^1,2,3, Yingying Xia^1,2,3

¹School of Psychology, Shaanxi Normal University, Xi'an, China.

|April 14, 2021

Summary

This summary is machine-generated.

Stimulus-response complexity impacts task-set inhibition during task switching. Difficult stimulus-response complexity hinders inhibition, while easy complexity reveals significant inhibition effects, suggesting varied cognitive resource allocation.

Keywords:

Inhibition Stimulus–response complexity Task set Task switching

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Published on: May 14, 2014

Area of Science:

Cognitive psychology
Neuroscience
Human performance

Background:

Task-set inhibition is crucial for efficient task switching.
The influence of stimulus-response (S-R) complexity on inhibition remains under-explored.

Purpose of the Study:

To investigate how varying S-R complexity affects inhibition processes in task switching.
To determine if S-R complexity modulates the effectiveness of task-set inhibition.

Main Methods:

Utilized a backward inhibition paradigm with tasks A, B, and C.
Manipulated S-R complexity across easy, moderate, and difficult conditions.
Analyzed switch costs and n-2 repetition costs.

Main Results:

Difficult S-R complexity led to greater switch costs than moderate and easy conditions.
A significant n-2 repetition cost was observed under easy S-R complexity.
This n-2 repetition cost reversed under difficult S-R complexity, a finding replicated in a second sample.

Conclusions:

S-R complexity significantly influences task-set inhibition during task switching.
Task-set inhibition effects diminish with increased S-R complexity.
Differential cognitive resource allocation likely underlies these observed effects.