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Related Experiment Videos

Perceptual learning for speech: Is there a return to normal?

Tanya Kraljic1, Arthur G Samuel

  • 1State University of New York at Stony Brook, USA. tkraljic@hotmail.com

Cognitive Psychology
|August 13, 2005
PubMed
Summary
This summary is machine-generated.

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Listeners

Area of Science:

  • Psycholinguistics
  • Auditory Perception
  • Speech Processing

Background:

  • Perceptual learning enables listeners to adapt phonemic representations to encountered speech.
  • The mechanisms driving these dynamic adjustments and their subsequent reversal remain unclear.

Purpose of the Study:

  • Investigate the adaptive mechanisms of phonemic representations in speech perception.
  • Determine the factors that cause these representations to revert to baseline settings.

Main Methods:

  • Listeners were exposed to ambiguous speech sounds (/s/ or /integral/).
  • Perceptual learning was assessed using continua in the same or different voice post-exposure.
  • Intervening tasks of varying durations and input types were employed to study unlearning.

Related Experiment Videos

Main Results:

  • Perceptual learning effects persisted and even strengthened after a delay, indicating resistance to passive fading.
  • Exposure to specific speech sounds, rather than mere passage of time, influenced representational shifts.
  • The degree of unlearning depended on the nature of the intervening speech input.

Conclusions:

  • Phonemic representations are dynamic and flexible, adapting to auditory input.
  • The unlearning of speech adaptations is an active process influenced by subsequent linguistic experiences.
  • These findings highlight the interplay between phonemic representations and both lexical and acoustic information.