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The development of inhibitory control: an averaged and single-trial Lateralized Readiness Potential study

The development of inhibitory control: an averaged and single-trial Lateralized Readiness Potential study
The development of inhibitory control: an averaged and single-trial Lateralized Readiness Potential study
Inhibitory control (IC) is an important contributor to educational performance, and undergoes rapid development in childhood. Age-related changes in IC were assessed using an in-depth analysis of reaction time, the Lateralized Readiness Potential (LRP), and other event-related potential (ERP) measures to control for speed of processing. Five-year-olds, 8-year-olds and adults completed an adapted Stroop task. Both reaction time and ERP results suggest that IC does develop in this age range, over and above changes in speed of processing. The LRP identified two processes that contribute to IC. These processes develop at different rates — an early process, involving how the conflict is initially responded to is mature by age 5, while a later process, involving how the conflict is overcome is still developing after 8 years of age. We propose that these early and late processes reflect interference suppression and response inhibition, respectively. Further, a single-trial analysis of the LRP in the incongruent condition provides evidence that the LRP is consistent across trials and functionally similar in each age group. These results corroborate previous findings regarding the development of IC, and present a new and useful tool for assessing IC across development.
stroop effect, inhibitory control, executive functions, child development, LRP, ex-gaussian, ERP, response inhibition, interference suppression
671-685
Bryce, Donna
37516e02-d607-4aa2-addf-062dcf79704f
Szűcs, Dénes
1020f888-a7ba-48b6-861a-42a7f6ff716c
Soltész, Fruzsina
cbc12e4b-9d6f-4c24-8203-47ae2bd8f470
Whitebread, David
60dfffd6-2e15-4948-bea3-b3e906865c49
Bryce, Donna
37516e02-d607-4aa2-addf-062dcf79704f
Szűcs, Dénes
1020f888-a7ba-48b6-861a-42a7f6ff716c
Soltész, Fruzsina
cbc12e4b-9d6f-4c24-8203-47ae2bd8f470
Whitebread, David
60dfffd6-2e15-4948-bea3-b3e906865c49

Bryce, Donna, Szűcs, Dénes, Soltész, Fruzsina and Whitebread, David (2011) The development of inhibitory control: an averaged and single-trial Lateralized Readiness Potential study. [in special issue: Educational Neuroscience] NeuroImage, 57 (3), 671-685. (doi:10.1016/j.neuroimage.2010.12.006). (PMID:21146618)

Record type: Article

Abstract

Inhibitory control (IC) is an important contributor to educational performance, and undergoes rapid development in childhood. Age-related changes in IC were assessed using an in-depth analysis of reaction time, the Lateralized Readiness Potential (LRP), and other event-related potential (ERP) measures to control for speed of processing. Five-year-olds, 8-year-olds and adults completed an adapted Stroop task. Both reaction time and ERP results suggest that IC does develop in this age range, over and above changes in speed of processing. The LRP identified two processes that contribute to IC. These processes develop at different rates — an early process, involving how the conflict is initially responded to is mature by age 5, while a later process, involving how the conflict is overcome is still developing after 8 years of age. We propose that these early and late processes reflect interference suppression and response inhibition, respectively. Further, a single-trial analysis of the LRP in the incongruent condition provides evidence that the LRP is consistent across trials and functionally similar in each age group. These results corroborate previous findings regarding the development of IC, and present a new and useful tool for assessing IC across development.

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More information

Accepted/In Press date: 2 December 2010
e-pub ahead of print date: 10 December 2010
Published date: 1 August 2011
Keywords: stroop effect, inhibitory control, executive functions, child development, LRP, ex-gaussian, ERP, response inhibition, interference suppression
Organisations: Psychology

Identifiers

Local EPrints ID: 375338
URI: https://eprints.soton.ac.uk/id/eprint/375338
PURE UUID: 8b9bb67e-7665-400f-9ca7-0db386221d4b

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Date deposited: 23 Mar 2015 16:56
Last modified: 15 Jul 2019 21:26

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Contributors

Author: Donna Bryce
Author: Dénes Szűcs
Author: Fruzsina Soltész
Author: David Whitebread

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