Evidence for a Cascade Model of Lexical Access in Speech Production

How word production unfolds remains controversial. Serial models posit that phonological encoding begins only after lexical node selection, whereas cascade models hold that it can occur before selection. Both models were evaluated by testing whether unselected lexical nodes influence phonological en...

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Bibliographic Details
Published in:Journal of experimental psychology. Learning, memory, and cognition memory, and cognition, 2002-05, Vol.28 (3), p.555-563
Main Authors: Morsella, Ezequiel, Miozzo, Michele
Format: Article
Language:English
Subjects:
Analysis of Variance
Biological and medical sciences
Cognition & reasoning
Distraction
England - ethnology
Female
Form Perception - physiology
Fundamental and applied biological sciences. Psychology
Human
Human Information Storage
Humans
Interference (Learning)
Italy - ethnology
Language
Lexical Access
Male
Models, Psychological
Naming
New York
Oral Communication
Pattern Recognition, Automated
Phonetics
Phonology
Pictorial Stimuli
Production and perception of spoken language
Psychology
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Reaction Time
Semantics
Speech
Speech - physiology
Visual Perception
Words (Phonetic Units)
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Summary:How word production unfolds remains controversial. Serial models posit that phonological encoding begins only after lexical node selection, whereas cascade models hold that it can occur before selection. Both models were evaluated by testing whether unselected lexical nodes influence phonological encoding in the picture-picture interference paradigm. English speakers were shown pairs of superimposed pictures and were instructed to name one picture and ignore another. Naming was faster when target pictures were paired with phonologically related (bed-bell) than with unrelated (bed-pin) distractors. This suggests that the unspoken distractors exerted a phonological influence on production. This finding is inconsistent with serial models but in line with cascade ones. The facilitation effect was not replicated in Italian with the same pictures, supporting the view that the effect found in English was caused by the phonological properties of the stimuli.
ISSN:0278-7393
1939-1285
DOI:10.1037/0278-7393.28.3.555