title: Brief periods of auditory perceptual training can determine the sensory targets of speech motor learning.
abstract: The perception of speech is notably malleable in adults, yet alterations in perception seem to have little impact on speech production. However, we hypothesized that speech perceptual training might immediately influence speech motor learning. To test this, we paired a speech perceptual-training task with a speech motor-learning task. Subjects performed a series of perceptual tests designed to measure and then manipulate the perceptual distinction between the words head and had. Subjects then produced head with the sound of the vowel altered in real time so that they heard themselves through headphones producing a word that sounded more like had. In support of our hypothesis, the amount of motor learning in response to the voice alterations depended on the perceptual boundary acquired through perceptual training. The studies show that plasticity in adults' speech perception can have immediate consequences for speech production in the context of speech learning.
authors.affiliation: Department of Psychology, McGill University Institute of Neurology, University College London danielrlametti@gmail.com david.ostry@mcgill.ca.
authors.forename: Daniel R
authors.initials: DR
authors.lastname: Lametti
authors.affiliation: Department of Psychology, McGill University.
authors.forename: Sonia A
authors.initials: SA
authors.lastname: Krol
authors.affiliation: Research Center, Sainte-Justine Hospital, Université de Montréal School of Speech Pathology and Audiology, Université de Montréal Centre for Research on Brain, Language and Music, McGill University.
authors.forename: Douglas M
authors.initials: DM
authors.lastname: Shiller
authors.affiliation: Department of Psychology, McGill University Haskins Laboratories, New Haven, Connecticut.
authors.forename: David J
authors.initials: DJ
authors.lastname: Ostry
mesh_terms: D000161:Acoustic Stimulation / Q000193:education*; D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D007802:Language; D007858:Learning / Q000502:physiology*; D013061:Speech Acoustics; D013067:Speech Perception / Q000502:physiology*; D055815:Young Adult
keywords: cognitive neuroscience; learning; motor processes; speech perception