Pre-attentive categorization of sounds by timbre as revealed by event-related potentials

Mari Tervaniemi, I. Winkler, Risto Näätänen

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

Infrequent (10%) pure tones were randomly presented among nine different missing-fundamental tones having the same pitch (10% each) to subjects playing a computer game. MMN (an index of pre-attentive change detection) was elicited by timbre-deviant pure tones with 150 and 500 ms stimulus duration. This suggests that the spectral component of timbre is pre-attentively determined from relatively short (150 ms) acoustic samples. Previous research established that resolving the pitch of the same missing-fundamental tones requires longer (> 150 ms) sounds. Consequently, timbre and pitch are probably determined by separate neural processes. The present results also demonstrate pre-attentive categorization of sounds based on timbre as MMN could only be elicited by the pure tones if their timbre was contrasted with the combined group of the nine standard sounds of qualitatively similar rich timbre.

Original languageEnglish
Pages (from-to)2571-2574
Number of pages4
JournalNeuroReport
Volume8
Issue number11
Publication statusPublished - 1997

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Acoustics
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Keywords

  • Auditory cortex
  • Auditory sensory memory
  • Complex tone perception
  • Mismatch negativity (MMN)
  • N1
  • Pre-attentive auditory processing
  • Timbre perception

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Pre-attentive categorization of sounds by timbre as revealed by event-related potentials. / Tervaniemi, Mari; Winkler, I.; Näätänen, Risto.

In: NeuroReport, Vol. 8, No. 11, 1997, p. 2571-2574.

Research output: Contribution to journalArticle

Tervaniemi, Mari ; Winkler, I. ; Näätänen, Risto. / Pre-attentive categorization of sounds by timbre as revealed by event-related potentials. In: NeuroReport. 1997 ; Vol. 8, No. 11. pp. 2571-2574.
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