NDLI: Drink alcohol and dim the lights: The impact of cognitive deficits on medial frontal cortex function

Content Provider	Springer Nature Link
Author	Yeung, Nick Ralph, Jason Nieuwenhuis, Sander
Copyright Year	2007
Abstract	Scalp electroencephalogram (EEG) recordings indicate that regions in the medial frontal cortex (MFC) are active following errors. Alcohol consumption reduces this error-related activity, perhaps suggesting that alcohol disrupts the operation of an error-monitoring system in the MFC. However, it could also be that alcohol consumption affects the MFC only indirectly, by impairing stimulus processing and thus making errors harder to detect. This interpretation leads to the prediction that stimulus degradation should likewise reduce error-related activity in the MFC. To test this hypothesis, behavioral and EEG data were collected as participants performed a speeded response task with either bright or very dim stimuli. The results using dim stimuli replicated the observed effects of alcohol consumption—with slowed responses accompanied by reduced error-related MFC activity. The sensitivity of the MFC to disrupted processing elsewhere in the brain suggests complications in interpreting evidence of disturbed MFC function. This research was supported by the National Institutes of Health Conte Center for Neuroscience Research (Grant P50-MH62196 to N.Y.) and by the Netherlands Organization for Scientific Research (to S.N.).
Starting Page	347
Ending Page	355
Page Count	9
File Format	PDF
ISSN	15307026
Journal	Cognitive, Affective, & Behavioral Neuroscience
Volume Number	7
Issue Number	4
e-ISSN	1531135X
Language	English
Publisher	Springer-Verlag
Publisher Date	2007-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cognitive Psychology Neurosciences
Content Type	Text
Resource Type	Article
Subject	Cognitive Neuroscience Behavioral Neuroscience

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