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Related Experiment Videos

Delayed commitment in spoken word recognition: evidence from cross-modal priming

P A Luce1, M S Cluff

  • 1Department of Psychology, State University of New York, Buffalo 14150, USA. paul@deuro.fss.buffalo.edu

Perception & Psychophysics
|May 26, 1998
PubMed
Summary

This study shows that word-final morphemes are activated independently in memory, even within longer words. This finding supports theories of speech recognition that involve delayed commitment to word candidates.

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Area of Science:

  • Psycholinguistics
  • Cognitive Psychology
  • Speech Perception

Background:

  • Investigating how the human brain processes spoken language and recognizes words is crucial for understanding cognitive architecture.
  • The role of morphemes, the smallest meaningful units in language, in word recognition is a key area of inquiry.

Purpose of the Study:

  • To determine if semantic representations of word-final morphemes in multisyllabic words are independently activated in memory.
  • To test if auditory primes of multisyllabic words facilitate lexical decision times to visual targets, even after the word's recognition point.

Main Methods:

  • Employed the cross-modal priming paradigm.
  • Utilized a gating task to confirm word identification before offset.
  • Compared lexical decision times for monosyllabic primes versus multisyllabic primes paired with visual targets.

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Main Results:

  • Significant priming effects were observed for both monosyllabic (/lak/-KEY) and multisyllabic (/hemlak/-KEY) conditions.
  • Auditory primes facilitated lexical decision times to visual targets, supporting independent morpheme activation.

Conclusions:

  • The findings suggest that speech recognition processes initiate lexical access at strong syllables.
  • Results align with a principle of delayed commitment in word recognition, where multiple candidates are considered before final selection.