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Interaction between Phonological and Semantic Processes in Visual Word Recognition using Electrophysiology
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Published on: June 29, 2021

Phonological abstraction without phonemes in speech perception.

Holger Mitterer1, Odette Scharenborg, James M McQueen

  • 1Max Planck Institute for Psycholinguistics, Nijmegen, The Netherlands.

Cognition
|August 27, 2013
PubMed
Summary
This summary is machine-generated.

Listeners adapt speech perception using abstract units, not just phonemes. This study shows context-sensitive speech sounds influence perception, challenging the necessity of context-insensitive phonemes.

Keywords:
AllophonesPerceptual learningPhonemesSpeech perception

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Area of Science:

  • Psycholinguistics
  • Phonetics
  • Speech Perception

Background:

  • Listeners utilize abstract prelexical units during speech perception.
  • Lexical retuning is a key phenomenon in speech processing.

Purpose of the Study:

  • To investigate whether abstract perceptual units are necessarily phonemic.
  • To determine the role of context-sensitive allophones in phonological abstraction.

Main Methods:

  • Dutch listeners underwent lexical decision tasks with ambiguous speech sounds.
  • Exposure involved ambiguous phones replacing syllable-final /r/ or /l/ in words.
  • Subsequent phonetic categorization tests assessed perception shifts.

Main Results:

  • Differential exposure to /r/-final vs. /l/-final words altered perception of ambiguous stimuli.
  • Listeners exposed to /r/-final words were more likely to perceive test stimuli as /r/.
  • This effect was specific to the tested allophone continuum.

Conclusions:

  • Listeners employ phonological abstraction in speech perception.
  • Context-sensitive allophones can influence this abstraction process.
  • Context-insensitive phonemes may not be the sole units of speech perception.