Dynamic sensory updating in the auditory system

Elyse S. Sussman, I. Winkler

Research output: Contribution to journalArticle

90 Citations (Scopus)

Abstract

Typically, in everyday situations, auditory input is constantly changing. Change is an important cue for the auditory system, which can signal the start of new sources of information or that some action may be required. Using an event-related brain potential that can be elicited whether or not attention is focused on the sounds (the mismatch negativity, MMN) we measured the time course of the effects of contextual changes on the brain's response to the same stimulus event. The onset or cessation of a sound in a stimulus block brought about context changes. The effect of the context was observed through changes in the MMN response to a deviant event that was present throughout the sound sequence. These results suggest the existence of a dynamic system of change detection, which updates its model of the sensory input on-line as the changes occur.

Original languageEnglish (US)
Pages (from-to)431-439
Number of pages9
JournalCognitive Brain Research
Volume12
Issue number3
DOIs
StatePublished - 2001

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Brain
Evoked Potentials
Cues

Keywords

  • Auditory processing
  • Context effect
  • Mismatch negativity
  • Sensory learning
  • Sensory updating

ASJC Scopus subject areas

  • Behavioral Neuroscience
  • Cognitive Neuroscience
  • Experimental and Cognitive Psychology

Cite this

Dynamic sensory updating in the auditory system. / Sussman, Elyse S.; Winkler, I.

In: Cognitive Brain Research, Vol. 12, No. 3, 2001, p. 431-439.

Research output: Contribution to journalArticle

Sussman, Elyse S. ; Winkler, I. / Dynamic sensory updating in the auditory system. In: Cognitive Brain Research. 2001 ; Vol. 12, No. 3. pp. 431-439.
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