Abstract:
:The ability to detect errors and adjust behavior accordingly is essential for maneuvering in an uncertain environment. Errors are particularly prone to occur when multiple, conflicting responses are registered in a situation that requires flexible behavioral outputs; for instance, when a go signal requires a response and a stop signal requires inhibition of the response during a stop signal task (SST). Previous studies employing the SST have provided ample evidence indicating the importance of the medial cortical brain regions in conflict/error processing. Other studies have also related these regional activations to postconflict/error behavioral adjustment. However, very few studies have directly explored the neural correlates of postconflict/error behavioral adjustment. Here we employed an SST to elicit errors in approximately half of the stop trials despite constant behavioral adjustment of the observers. Using functional magnetic resonance imaging, we showed that prefrontal loci including the ventrolateral prefrontal cortex are involved in post-error slowing in reaction time. These results delineate the neural circuitry specifically involved in error-associated behavioral modifications.
journal_name
J Cogn Neuroscijournal_title
Journal of cognitive neuroscienceauthors
Li CS,Huang C,Yan P,Paliwal P,Constable RT,Sinha Rdoi
10.1162/jocn.2008.20071subject
Has Abstractpub_date
2008-06-01 00:00:00pages
1021-9issue
6eissn
0898-929Xissn
1530-8898journal_volume
20pub_type
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