Pushing to the Limits: What Processes during Cognitive Control are Enhanced by Reaction-Time Feedback?

ABSTRACT: To respond as quickly as possible in a given task is a widely used instruction in cognitive neuroscience; however, the neural processes modulated by this common experimental procedure remain largely elusive. We investigated the underlying neurophysiological processes combining electroencephalography (EEG) signal decomposition (residue iteration decomposition, RIDE) and source localization. We show that trial-based response speed instructions enhance behavioral performance in conflicting trials, but slightly impair performance in nonconflicting trials. The modulation seen in conflicting trials was found at several coding levels in EEG data using RIDE. In the S-cluster N2 time window, this modulation was associated with modulated activation in the posterior cingulate cortex and the superior

SUBMITTER: Prochnow A 

PROVIDER: S-EPMC8153012 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature