Measuring Electrical Activity of the Brain: ERP Mapping in Alcohol Research

The recording of brain electrical activity from scalp electrodes provides a noninvasive, sensitive measure of brain function. Event-related potentials (ERP's) are brain waves that are recorded while the subject is exposed to a specific sensory stimulus. Depending on experimental conditions, ERP...

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Bibliographic Details
Published inAlcohol Health and Research World Vol. 19; no. 4; pp. 315 - 320
Main Authors Chorlian, David B, Porjesz, Bernice, Cohen, Howard L
Format Journal Article
LanguageEnglish
Published United States U.S. Government Printing Office 01.01.1995
Public Health Service, National Institutes of Health
National Institute on Alcohol Abuse and Alcoholism
Subjects
Alcoholism
Brain
Diagnostic imaging
Electrodiagnosis
Evoked potentials (Electrophysiology)
Localization of functions
evoked potential
brain function
computer technology
brain wave
electrodiagnosis
diagnostic imaging
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ISSN0090-838X
1535-7414

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Summary:The recording of brain electrical activity from scalp electrodes provides a noninvasive, sensitive measure of brain function. Event-related potentials (ERP's) are brain waves that are recorded while the subject is exposed to a specific sensory stimulus. Depending on experimental conditions, ERP's are useful in studying many brain functions, such as sensory and information processing (e.g., memory). The assessment of ERP's is useful in studying the effects of alcohol on brain function and in identifying people at risk for developing alcoholism. Computerized mapping techniques produce graphs or color-coded images to summarize data about the generation of ERP's in time and space.
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ISSN:0090-838X
1535-7414