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Aging decreases auditory event-related potentials to unexpected stimuli in humans

Authors
Journal
Neurobiology of Aging
0197-4580
Publisher
Elsevier
Publication Date
Volume
8
Issue
2
Identifiers
DOI: 10.1016/0197-4580(87)90019-4
Keywords
  • Orienting Response
  • P300
  • Aging
Disciplines
  • Biology

Abstract

Abstract A P300 event-related potential (P3a) was recorded to unexpected, deviant auditory stimuli requiring no behavioral response. This brain potential underwent systematic latency prolongation and amplitude decrease with advancing age. The age-related changes paralleled those of the P300 (P3b) recorded in target detection tasks. These results provide physiological evidence of a decremented CNS response to unexpected stimuli with aging.

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