Journal
ROYAL SOCIETY OPEN SCIENCE
Volume 5, Issue 2, Pages -Publisher
ROYAL SOC
DOI: 10.1098/rsos.171369
Keywords
pre-supplementary motor area; inferior frontal cortex; magnetoencephalography; transcranial magnetic stimulation; timing; response inhibition
Categories
Funding
- Biotechnology and Biological Sciences Research Council [BB/K008277/1]
- Wellcome Trust [104943/Z/14/Z]
- MRC/EPSRC [MR/K005464/1]
- European Research Council (ERC) under the European Union's Seventh Framework Programme [312445]
- Royal SocietyWolfson Research Merit Award
- BBSRC [BB/K008277/1] Funding Source: UKRI
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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.
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