Characterizing the motor execution stage of speech production: Consonantal effects on delayed naming latency and onset duration

Kathleen Rastle*, Jonathan M. Harrington, Karen P. Croot, Max Coltheart

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    42 Citations (Scopus)

    Abstract

    The research described in this article had 2 aims: to permit greater precision in the conduct of naming experiments and to contribute to a characterization of the motor execution stage of speech production. The authors report an exhaustive inventory of consonantal and postconsonantal influences on delayed naming latency and onset acoustic duration, derived from a hand-labeled corpus of single-syllable consonant-vowel utterances. Five talkers produced 6 repetitions each of a set of 168 prepared mono-syllables, a set that comprised each of the consonantal onsets of English in 3 vowel contexts (e.g., /sli/, /sla/, /slSchwa(phonetic symbol):/). Strong and significant effects associated with phonetic characteristics of initial and noninitial phonemes were observed on both delayed naming latency and onset acoustic duration. Results are discussed in terms of the biomechanical properties of the articulatory system that may give rise to these effects and in terms of their methodological implications for naming experiments.

    Original languageEnglish
    Pages (from-to)1083-1095
    Number of pages13
    JournalJournal of Experimental Psychology: Human Perception and Performance
    Volume31
    Issue number5
    DOIs
    Publication statusPublished - Oct 2005

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