Neural Correlates of Successful and Partial Inhibitions in Children : An ERP Study

L. Cragg, Allison Fox, K. Nation, C. Reid, Mike Anderson

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

This experiment used event-related potentials (ERPs) to investigate the neural processes underlying the development of response inhibition in a modified version of the go/no-go paradigm [Cragg and Nation [2008] Developmental Science 11(6): 819–827]. N2 and P3 ERP components on correct go trials and partial and successful inhibitions were compared in 7- and 9-year-old children. A larger N2 effect on successful inhibitions was found in 9-year-olds compared to 7-year-olds at fronto-central electrodes. N2 amplitude was positively related to behavioral performance in the 7-year-olds suggesting it may reflect inhibitory processes; however, this relationship was not present in the 9-year-olds. Age differences were also apparent in the go P3, perhaps indicating differences in stimulus processing. The no-go P3 component was larger on successful than partial inhibitions. In contrast, there was no difference in N2 amplitude between partial and successful inhibitions. A significant difference was found in N2 latency however. This suggests that inhibitory processes are similar in both cases but initiated earlier on successful inhibitions. N2 latency was also shorter in 9-year-olds than 7-year-olds supporting an increase in the efficiency of response inhibition with age.
Original languageEnglish
Pages (from-to)533-543
JournalDevelopmental Psychobiology
Volume51
Issue number7
DOIs
Publication statusPublished - 2009

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P300 Event-Related Potentials
Evoked Potentials
Electrodes

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Cragg, L. ; Fox, Allison ; Nation, K. ; Reid, C. ; Anderson, Mike. / Neural Correlates of Successful and Partial Inhibitions in Children : An ERP Study. In: Developmental Psychobiology. 2009 ; Vol. 51, No. 7. pp. 533-543.
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Neural Correlates of Successful and Partial Inhibitions in Children : An ERP Study. / Cragg, L.; Fox, Allison; Nation, K.; Reid, C.; Anderson, Mike.

In: Developmental Psychobiology, Vol. 51, No. 7, 2009, p. 533-543.

Research output: Contribution to journalArticle

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