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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

Perceptual constraints in phonotactic learning.

Ansgar D Endress1, Jacques Mehler

  • 1Department of Linguistics and Psychology, Harvard University, Cambridge, MA 02139, USA. ansgar.endress@m4x.org

Journal of Experimental Psychology. Human Perception and Performance
|February 4, 2010
PubMed
Summary
This summary is machine-generated.

This study reveals how perceptual factors influence language structure acquisition. Participants learned phonotactic-like rules more easily at word edges than in word middles, suggesting positional coding aids learning.

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Area of Science:

  • Cognitive Science
  • Psycholinguistics
  • Computational Linguistics

Background:

  • Language structure acquisition is often linked to symbolic or statistical computations.
  • The role of perceptual factors in learning grammatical-like regularities is less explored.

Purpose of the Study:

  • To investigate if perceptual and memory mechanisms influence the acquisition of grammatical-like regularities.
  • To examine the impact of positional information on learning phonotactic constraints.

Main Methods:

  • Participants learned artificial phonotactic constraints in artificial words.
  • Constraints were tested in word-edge positions (CVccVC) versus word-middle positions (cVCCVc).
  • Control conditions and use of natural consonant classes were employed.

Main Results:

  • Participants successfully learned phonotactic-like constraints when they occurred at word edges.
  • Learning was significantly harder for constraints in word-middle positions.
  • Participants could learn middle-position constraints when using natural consonant classes.

Conclusions:

  • Positional generalizations are preferentially learned via edge-based positional codes.
  • Perceptual mechanisms, particularly those sensitive to word edges, facilitate learning structural regularities.
  • Linguistic cues can enable learning through alternative mechanisms when edge-based coding is not applicable.