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Related Experiment Video

Updated: Jul 5, 2025

A Modified Lean and Release Technique to Emphasize Response Inhibition and Action Selection in Reactive Balance

A Modified Lean and Release Technique to Emphasize Response Inhibition and Action Selection in Reactive Balance

Published on: March 19, 2020

Stimulus variability improves generalization following response inhibition training.

Tamara E Moshon-Cohen^1,2,3, Noam Weinbach⁴, Tali Bitan^4,5,6,7

¹Psychology Department, School of Psychological Sciences, University of Haifa, Abba Khoushy Ave 199, 3498838, Haifa, Israel. tammymoshon@gmail.com.

Psychological Research

|January 16, 2024

Summary

This summary is machine-generated.

Practicing response inhibition with varied stimuli in a random order enhances learning generalization more effectively than constant or blocked practice. This benefit of varied practice persists over time, unlike the order effect.

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Area of Science:

Cognitive psychology
Motor learning
Neuroscience

Background:

Stimulus variability and practice order are key factors influencing skill acquisition and generalization.
Understanding how these factors impact cognitive skills like response inhibition is crucial for optimizing training protocols.

Purpose of the Study:

To investigate the effects of stimulus variability (constant, variable-blocked, variable-random) and practice order on generalization of response inhibition skills.
To examine the long-term retention of these effects and the moderating role of working memory capacity.

Main Methods:

Ninety-six young adults completed a single session of Go/No-go task training under three conditions: constant, variable-blocked, or variable-random stimulus presentation.
Generalization was assessed on novel and trained stimuli immediately and 24 hours post-training, as well as on a different response inhibition task (Stop-Signal Task).

Main Results:

Variable-random and variable-blocked training led to better generalization to novel stimuli compared to constant training, highlighting the benefit of stimulus variability.
Variable-random training showed superior generalization compared to variable-blocked training, indicating an advantage of random order presentation.
The positive effects of stimulus variability were retained at 24 hours, but the effect of practice order diminished. Working memory capacity modulated the impact of practice order.

Conclusions:

Variable stimuli presented in a random order are most effective for enhancing generalization of response inhibition skills.
These findings suggest that principles of motor learning, particularly variable practice, can be applied to improve cognitive skill acquisition and generalization.