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Updated: May 11, 2026
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Interaction between Phonological and Semantic Processes in Visual Word Recognition using Electrophysiology
Published on: June 29, 2021
High functional load inhibits phonological contrast loss: a corpus study.
Andrew Wedel1, Abby Kaplan, Scott Jackson
1University of Arizona, Dept. of Linguistics, Douglass Bldg., Rm. 200E, P.O. Box 210028, Tucson, AZ 85721, USA. wedel@u.arizona.edu
Cognition
|May 21, 2013
Summary
Linguists proposed that phonemes distinguishing many words are less likely to merge. This study confirms that phoneme pairs undergoing merger distinguish fewer words, supporting the functional load hypothesis.
Area of Science:
- Linguistics
- Phonology
- Historical Linguistics
Background:
- The functional load hypothesis posits that phonemes distinguishing more words (higher functional load) are more resistant to merger.
- Previous research was limited by data and computational constraints, hindering large-scale testing.
Purpose of the Study:
- To investigate the functional load hypothesis using a large-scale dataset of sound changes across diverse languages.
- To determine if phoneme functional load influences the likelihood of diachronic merger.
Main Methods:
- Analysis of sound changes in a diverse language sample.
- Quantitative assessment of minimal pair counts for phoneme pairs.
- Correlation analysis between phoneme probability, minimal pair count, and merger.
Main Results:
- Phoneme pairs undergoing merger distinguish significantly fewer minimal pairs than unmerged pairs.
- Higher phoneme probability correlates with merger, especially for phonemes with no minimal pairs.
- Minimal pair count and phoneme probability are stronger predictors of merger than system entropy changes.
Conclusions:
- The study provides strong empirical support for the functional load hypothesis in diachronic phonology.
- Lexical statistics, specifically minimal pair counts and phoneme probability, are key factors in predicting phoneme merger.
- Findings advance our understanding of sound change mechanisms and linguistic evolution.
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