TITLE

Electrophysiological measurements of anterior cingulate function

AUTHOR(S)
Fallgatter, A. J.; Bartsch, A. J.; Herrmann, M. J.
PUB. DATE
May 2002
SOURCE
Journal of Neural Transmission;May2002, Vol. 109 Issue 5/6, p977
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Summary. Based on recent findings from various areas of brain research the anterior cingulate cortex (ACC) within the prefrontal cortex is increasingly considered as a brain region activated during tasks requiring conflict-monitoring and allocation of attention. In the present study with event-related potentials (ERPs) the question has been addressed, whether the NoGo-condition of the Continuous Performance Test is associated with enough conflict-monitoring and allocation of attention in order to activate the ACC in healthy controls. Low Resolution Electromagnetic Tomography (LORETA), a new three-dimensional source localization method, revealed significantly increased brain electrical activity during the NoGo-ERP as compared to the Go-ERP with its maximum located exactly within the ACC in four independent samples of healthy subjects. These results relate the conflict-monitoring requirements associated with inhibition of a prepared motor response (NoGo-condition) to a powerful brain electrical ACC-activity. This non-invasive, easy to perform and inexpensive electrophysiological measurement, therefore, provides a new method for the assessment of ACC-function in healthy subjects.
ACCESSION #
15397239

 

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