Age-related changes in auditory temporal processing.

D. A. Robin, F. L. Royer

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

Two tone bursts separated by a silent interval and imbedded in a background white noise were presented to elderly subjects (M age = 71.3 years) and young subjects (M age = 22.2 years). Subjects were required to judge when the two tone bursts fused perceptually by adjusting the duration of tone-one. The bursts were separated by six discrete interstimulus intervals of 4, 8, 16, 24, 32, or 40 ms. The tone-two burst was held constant at 100 ms. Fusion point was defined as that critical tone-one duration at which the two tones fused (were perceived as one). Elderly subjects reached fusion point at longer critical tone-one durations than young subjects at each interval tested. The function relating tone-one duration and interval conformed to an exponential curve and is discussed with respect to an exponential decay model of the inhibitory interactions of neural systems responding to onsets and offsets of sensory events.

Original languageEnglish (US)
Pages (from-to)144-149
Number of pages6
JournalPsychology and aging
Volume4
Issue number2
DOIs
StatePublished - Jun 1989

ASJC Scopus subject areas

  • Social Psychology
  • Aging
  • Geriatrics and Gerontology

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