Differences Between Low and High Trait Impulsivity Are Not Associated with Differences in Inhibitory Motor Control

Overview

Journal J Atten Disord

Publisher Sage Publications

Specialty Psychiatry

Date 2005 Jan 27

PMID 15669600

Citations 19

Authors

M Lijffijt

E M Bekker

E H Quik

J Bakker

J L Kenemans

M N Verbaten

Affiliations

Soon will be listed here.

Abstract

Objective: The present study investigates whether there is an association between trait impulsivity in the normal population and inhibitory motor control as assessed by the stop task.

Method: Low- and high-impulsive participants (as assessed by the I7 questionnaire; both groups n = 31) performed the stop task. Differences in performance were analyzed by an independent samples t-test. Furthermore, a short meta-analysis was performed on this study and three previous studies with a similar aim.

Results: The low- and high-impulsive groups did not differ on the speed to stop the response (SSRT). However, the meta-analysis revealed that high-impulsives are marginally slower in stopping than low-impulsives (effect size = -0.26, p= 0.06).

Conclusions: There is only minor evidence that impulsivity inthe common population is associated with poor inhibitory motor control.

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Failing to attend versus failing to stop: Single-trial decomposition of action-stopping in the stop signal task.

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Temporally-precise disruption of prefrontal cortex informed by the timing of beta bursts impairs human action-stopping.

Hannah R, Muralidharan V, Sundby K, Aron A Neuroimage. 2020; 222:117222.

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Temporal cascade of frontal, motor and muscle processes underlying human action-stopping.

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