Individual differences in perceptual adaptability of foreign sound categories

Jessamyn Schertz, Taehong Cho, Andrew J Lotto, Natasha Warner

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Listeners possess a remarkable ability to adapt to acoustic variability in the realization of speech sound categories (e.g., different accents). The current work tests whether non-native listeners adapt their use of acoustic cues in phonetic categorization when they are confronted with changes in the distribution of cues in the input, as native listeners do, and examines to what extent these adaptation patterns are influenced by individual cue-weighting strategies. In line with previous work, native English listeners, who use voice onset time (VOT) as a primary cue to the stop voicing contrast (e.g., ‘pa’ vs. ‘ba’), adjusted their use of f0 (a secondary cue to the contrast) when confronted with a noncanonical “accent” in which the two cues gave conflicting information about category membership. Native Korean listeners’ adaptation strategies, while variable, were predictable based on their initial cue weighting strategies. In particular, listeners who used f0 as the primary cue to category membership adjusted their use of VOT (their secondary cue) in response to the noncanonical accent, mirroring the native pattern of “downweighting” a secondary cue. Results suggest that non-native listeners show native-like sensitivity to distributional information in the input and use this information to adjust categorization, just as native listeners do, with the specific trajectory of category adaptation governed by initial cue-weighting strategies.

Original languageEnglish (US)
Pages (from-to)355-367
Number of pages13
JournalAttention, Perception, and Psychophysics
Volume78
Issue number1
DOIs
StatePublished - Jan 1 2016

Fingerprint

Individuality
listener
Cues
weighting
Sodium Glutamate
Population Groups
acoustics
Phonetics
Acoustics
Listeners
Adaptability
Sound
Individual Differences
phonetics
Aptitude
ability
Accent

Keywords

  • Categorization
  • L2 speech perception
  • Perceptual learning
  • Psycholinguistics

ASJC Scopus subject areas

  • Sensory Systems
  • Experimental and Cognitive Psychology
  • Language and Linguistics
  • Linguistics and Language

Cite this

Individual differences in perceptual adaptability of foreign sound categories. / Schertz, Jessamyn; Cho, Taehong; Lotto, Andrew J; Warner, Natasha.

In: Attention, Perception, and Psychophysics, Vol. 78, No. 1, 01.01.2016, p. 355-367.

Research output: Contribution to journalArticle

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