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Neural substrates of verbal repetition deficits in primary progressive aphasia.
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Internal and external speech timing mechanisms in persistent developmental stuttering
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Reliability of single-subject neural activation patterns in speech production tasks
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Behavioral and neural correlates of speech motor sequence learning in stuttering and neurotypical speakers: an fMRI investigation
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DIVA predictions about speech in MV ASD (Chenausky et al., 2021) ...
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DIVA predictions about speech in MV ASD (Chenausky et al., 2021) ...
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Neural circuitry of the “rhythm effect” (Frankford et al., 2021) ...
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Neural substrates of verbal repetition deficits in primary progressive aphasia
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In: Brain Commun (2021)
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A Modeling-Guided Case Study of Disordered Speech in Minimally Verbal Children With Autism Spectrum Disorder
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In: Am J Speech Lang Pathol (2021)
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Behavioral and neural correlates of speech motor sequence learning in stuttering and neurotypical speakers: an fMRI investigation
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In: Neurobiol Lang (Camb) (2021)
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Contributions of auditory and somatosensory feedback to vocal motor control
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Abstract:
PURPOSE: To better define the contributions of somatosensory and auditory feedback in vocal motor control, a laryngeal perturbation experiment was conducted with and without masking of auditory feedback. METHOD: Eighteen native speakers of English produced a sustained vowel while their larynx was physically and externally displaced on a subset of trials. For the condition with auditory masking, speech-shaped noise was played via earphones at 90 dB SPL. Responses to the laryngeal perturbation were compared to responses by the same participants to an auditory perturbation experiment that involved a 100-cent downward shift in fundamental frequency (fo). Responses were also examined in relation to a measure of auditory acuity. RESULTS: Compensatory responses to the laryngeal perturbation were observed with and without auditory masking. The level of compensation was greatest in the laryngeal perturbation condition without auditory masking, followed by the condition with auditory masking; the level of compensation was smallest in the auditory perturbation experiment. No relationship was found between the degree of compensation to auditory versus laryngeal perturbations, and the variation in responses in both perturbation experiments was not related to auditory acuity. CONCLUSIONS: The findings indicate that somatosensory and auditory feedback control mechanisms work together to compensate for laryngeal perturbations, resulting in the greatest degree of compensation when both sources of feedback are available. In contrast, these two control mechanisms work in competition in response to auditory perturbations, resulting in an overall smaller degree of compensation. Supplemental Material https://doi.org/10.23641/asha.12559628. ; R01 DC002852 - NIDCD NIH HHS; R01 DC015570 - NIDCD NIH HHS; R01 DC016270 - NIDCD NIH HHS ; Accepted manuscript
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Keyword:
1103 Clinical Sciences; Cognitive sciences; Linguistics; Speech-language pathology & audiology
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URL: https://doi.org/10.1044/2020_JSLHR-19-00296 https://hdl.handle.net/2144/42414 https://www.ncbi.nlm.nih.gov/pubmed/32603626
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Noninvasive neurostimulation of left ventral motor cortex enhances sensorimotor adaptation in speech production
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Auditory feedback control mechanisms do not contribute to cortical hyperactivity within the voice production network in adductor spasmodic dysphonia
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Modelling speech motor programming and apraxia of speech in the DIVA/GODIVA neurocomputational framework
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Dissociation between phonological working memory structures and motor programming units during speech motor sequence learning
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The roles of auditory and somatosensory feedback in vocal motor control
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Auditory and somatosensory feedback in voice (Smith et al., 2020) ...
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Auditory and somatosensory feedback in voice (Smith et al., 2020) ...
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Noninvasive neurostimulation of left ventral motor cortex enhances sensorimotor adaptation in speech production
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In: Brain Lang (2020)
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