Evidence for parallel activation of the pre-supplementary motor area and inferior frontal cortex during response inhibition: a combined MEG and TMS study

Allen, Christopher, Singh, Krish D. ORCID: https://orcid.org/0000-0002-3094-2475, Verbruggen, Frederick and Chambers, Christopher D. ORCID: https://orcid.org/0000-0001-6058-4114 2018. Evidence for parallel activation of the pre-supplementary motor area and inferior frontal cortex during response inhibition: a combined MEG and TMS study. Royal Society Open Science 5 (2) , 171369. 10.1098/rsos.171369

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Abstract

This pre-registered experiment sought to uncover the temporal relationship between the inferior frontal cortex (IFC) and the pre-supplementary motor area (pre-SMA) during stopping of an ongoing action. Both regions have previously been highlighted as being central to cognitive control of actions, particularly response inhibition. Here we tested which area is activated first during the stopping process using magnetoencephalography, before assessing the relative chronometry of each region using functionally localized transcranial magnetic stimulation. Both lines of evidence pointed towards simultaneous activity across both regions, suggesting that parallel, mutually interdependent processing may form the cortical basis of stopping. Additional exploratory analysis, however, provided weak evidence in support of previous suggestions that the pre-SMA may provide an ongoing drive of activity to the IFC.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Psychology Cardiff University Brain Research Imaging Centre (CUBRIC)
Additional Information:	Published by the Royal Society under the terms of the Creative Commons Attribution License.
Publisher:	Royal Society, The
ISSN:	2054-5703
Date of First Compliant Deposit:	14 February 2018
Date of Acceptance:	11 January 2018
Last Modified:	29 Oct 2024 02:05
URI:	https://orca.cardiff.ac.uk/id/eprint/109094

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