Journal
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
Volume 107, Issue 31, Pages 13966-13971Publisher
NATL ACAD SCIENCES
DOI: 10.1073/pnas.1001957107
Keywords
cognitive control; dual-tasking; inhibition; prefrontal cortex; transcranial magnetic stimulation
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Funding
- Biotechnology and Biological Sciences Research Council (BBSRC)
- Wales Institute of Cognitive Neuroscience
- research council of Ghent University [BOF07/24J/077]
- BBSRC [BB/C519854/2, BB/C519854/1] Funding Source: UKRI
- Biotechnology and Biological Sciences Research Council [BB/C519854/2, BB/C519854/1] Funding Source: researchfish
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Everyday circumstances require efficient updating of behavior. Brain systems in the right inferior frontal cortex have been identified as critical for some aspects of behavioral updating, such as stopping actions. However, the precise role of these neural systems is controversial. Here we examined how the inferior frontal cortex updates behavior by combining reversible cortical interference (transcranial magnetic stimulation) with an experimental task that measures different types of updating. We found that the right inferior frontal cortex can be functionally segregated into two subregions: a dorsal region, which is critical for visual detection of changes in the environment, and a ventral region, which updates the corresponding action plan. This dissociation reconciles competing accounts of prefrontal organization and casts light on the neural architecture of human cognitive control.
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