Abstract
In a cue-distractor task, speakers' response times (RTs) were found to speed up when they perceived a distractor syllable whose vowel was identical to the vowel in the syllable they were preparing to utter. At a more fine-grained level, subphonemic congruency between response and distractor-defined by higher number of shared phonological features or higher acoustic proximity-was also found to be predictive of RT modulations. Furthermore, the findings indicate that perception of vowel stimuli embedded in syllables gives rise to robust and more consistent perceptuomotor compatibility effects (compared to isolated vowels) across different response-distractor vowel pairs.
Highlights
Among paradigms used to explore the speech perception-production link, a line of research using the cue-distractor task has provided valuable insights on the nature of this link (Kerzel and Bekkering, 2000; Galantucci et al, 2009; Roon and Gafos, 2015; Adank et al, 2018)
In a cue-distractor task, participants were repeatedly prompted by a visual cue to produce a target syllable and shortly after presentation of the cue, a distractor syllable was played via earphones
The results reveal that vowel-based phonemic congruency of distractor–response syllable pairs yielded robust perceptuomotor (PM) effects in terms of reaction times (RTs)
Summary
Among paradigms used to explore the speech perception-production link, a line of research using the cue-distractor task has provided valuable insights on the nature of this link (Kerzel and Bekkering, 2000; Galantucci et al, 2009; Roon and Gafos, 2015; Adank et al, 2018). In this task, individuals are prompted (e.g., by a visual cue) to produce a spoken response (usually a single syllable) and, while individuals are planning to produce their response, a distractor stimulus (an audio or video speech recording) is presented. In a more recent study, Roon and Gafos (2015) found that the PM effects are not limited just to phonemic (non-)identity between cued response and distractor and to well-known dimensions of phonemic classification below the level of the phoneme. Roon and Gafos (2015) observed that speakers were slower to produce a syllable whose initial consonant had a different place of articulation from that of the distractor (e.g., response /ba/–distractor /ta/) compared to a condition where the initial consonants of the response–distractor pair had the same place of articulation but were not phonemically identical (e.g., response /ba/–distractor /pa/)
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