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2011
- handle: 10670/1.vvcp80
- hal: hal-00576065
- doi: 10.1016/j.cortex.2011.03.009
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info:eu-repo/semantics/altIdentifier/doi/10.1016/j.cortex.2011.03.009
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Marc Sato et al., « Articulatory bias in speech perception: Evidence from use-induced motor plasticity », HAL-SHS : linguistique, ID : 10.1016/j.cortex.2011.03.009
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Résumé
Challenging the classical proposal of separate neural/cognitive processes for speech perception and speech production, several neurobiological and psycholinguistic models of speech perception argue for a functional connection between sensory and motor systems (e.g., Liberman and Whalen, 2000; Wilson and Iacoboni, 2006; Skipper et al., 2007; Schwartz et al., in press). In these models, phonetic interpretation of sensory information is determined or constrained by some internal motor simulation based on articulatory procedural knowledge. However, despite accumulating evidence that speech motor regions are activated in processing speech sounds (e.g., Fadiga et al., 2002; Pulvermüller et al., 2006; Sato et al., 2010), the question of whether articulatory processes mediate speech perception is still vigorously debated (e.g., Lotto et al., 2009; Sato et al., 2009; Scott et al., 2009). Using a new technique based on use-induced motor plasticity, we here provide evidence that the motor system can bias perceptual performance in auditory speech recognition and plays a mediating role in phonetic decision/categorization process.