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Updated: Oct 24, 2025
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Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment
Published on: June 25, 2019
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Lexical stress representation in spoken word recognition
Angeliki Andrikopoulou1, Athanassios Protopapas2, Amalia Arvaniti3
1Department of History and Philosophy of Science.
Summary
This study investigated how word stress is represented in the brain. Findings suggest that stress patterns are not underspecified, challenging the default metrics assumption in speech perception.
Area of Science:
- Psycholinguistics
- Phonetics
- Cognitive Science
Background:
- The representation of word stress in the lexicon is debated.
- One model, the "default metrics" assumption, posits stress is only specified for non-default patterns.
- An alternative view is that stress is fully specified for all words.
Purpose of the Study:
- To test the "default metrics" assumption against full lexical specification of stress.
- To investigate the perceptual domain of stress representation using behavioral and eye-tracking data.
- To examine stress processing in the Greek language.
Main Methods:
- Cross-modal fragment priming in a lexical-decision task.
- Visual world eye-tracking experiments.
- Utilized Greek word pairs with varying stress patterns (penultimate, antepenultimate, final).
Main Results:
- No evidence supported the "default metrics" assumption.
- Behavioral and eye-tracking data did not align with predictions of underspecified stress.
- The predicted asymmetric inhibition pattern was not observed.
Conclusions:
- The "default metrics" assumption regarding lexical stress representation was not supported.
- Findings suggest that stress may be fully specified in the lexicon for all words.
- Alternative conceptualizations of stress representation in speech perception are warranted.
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