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Article Dans Une Revue Philosophical Transactions of the Royal Society B: Biological Sciences Année : 2011

Perceptuo-motor interactions in the perceptual organization of speech: Evidence from the verbal transformation effect

Résumé

The verbal transformation effect refers to perceptual switches while listening to a speech sound repeated rapidly and continuously. It is a specific case of perceptual multistability providing a rich paradigm for studying the processes underlying the perceptual organization of speech. While the verbal transformation effect has been mainly considered as a purely auditory effect, this paper presents a review of recent behavioural and neuroimaging studies investigating the role of perceptuo-motor interactions in the effect. Behavioural data show that articulatory constraints and visual information from the speaker's articulatory gestures can influence verbal transformations. In line with these data, fMRI and intracranial EEG studies demonstrate that articulatory-based representations play a key role in the emergence and the stabilization of speech percepts during a verbal transformation task. Overall, these results suggest that perceptuo(multisensory)-motor processes are involved in the perceptual organization of speech and the formation of speech perceptual objects.

Dates et versions

hal-00642324 , version 1 (17-11-2011)

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Anahita Basirat, Jean-Luc Schwartz, Marc Sato. Perceptuo-motor interactions in the perceptual organization of speech: Evidence from the verbal transformation effect. Philosophical Transactions of the Royal Society B: Biological Sciences, 2011, 367 (1591), pp.965-976. ⟨10.1098/rstb.2011.0374⟩. ⟨hal-00642324⟩
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