[Event-related cerebral potentials. Classification and clinical use].

Abstract:

:Event-related potentials (ERP) constitute an heterogeneous group of brain electrical signals time-locked to sensory stimulation, motor responses, and associative processes, recorded using computer averaging. Several kinds of brain electric activity are encompassed by the generic term "event related potentials": sensory evoked potentials, time-coherent cerebral events related to motor acta, long-latency potentials associated with psychological variables, slow potential shifts linked to psychological constructs, and "emitted" cerebral events of endogenous origin. Shortcomings of this classification are pointed out and a simpler one is proposed, distinguishing between sensory, motor, and associative time-locked potentials. Their clinical use is illustrated under six major headings: testing of sensory function, localization of lesions, maturation of the central nervous system, genetic markers, evaluation of pharmacologic agents, and indicators of cognitive processes. Some methodological issues relevant to the clinical use of ERP are discussed.

journal_name

Arq Neuropsiquiatr

authors

Lolas F

doi

10.1590/s0004-282x1979000300006

subject

Has Abstract

pub_date

1979-09-01 00:00:00

pages

274-83

issue

3

eissn

0004-282X

issn

1678-4227

journal_volume

37

pub_type

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  • Erratum.

    abstract::[This corrects the article doi: 10.1590/0004-282x20180071]. ...

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    pub_type: 杂志文章,已发布勘误

    doi:10.1590/0004-282x20180071err

    authors:

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