Search Results - "GRACCO, V. L"

Some organizational characteristics of speech movement control by Gracco, V L

“…The neuromotor organization for a class of speech sounds (bilabials) was examined to evaluate the control principles underlying speech as a sensorimotor…”
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Speech motor coordination and control: evidence from lip, jaw, and laryngeal movements by Gracco, VL, Lofqvist, A

“…The movements of the lower lip, jaw, and larynx during speech were examined for two different speech actions involving oral closing for /p/ and oral…”
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Hypoglossal, trigeminal, and facial motoneuron involvement in amyotrophic lateral sclerosis by DEPAUL, R, ABBS, J. H, CALIGIURI, M, GRACCO, V. L, BROOKS, B. R

“…Facial, trigeminal, and hypoglossal motoneuron involvement was quantified in 25 amyotrophic lateral sclerosis patients and in normal controls. Measures…”
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Control of complex motor gestures: orofacial muscle responses to load perturbations of lip during speech by Abbs, J H, Gracco, V L

“…The contribution of ascending afferents to the control of speech movement was evaluated by applying unanticipated loads to the lower lip during the generation…”
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Timing factors in the coordination of speech movements by Gracco, VL

“…Speech movement coordination involves substantial timing adjustments among multiple degrees of muscles and movement freedom. The present investigation examined…”
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Functional data analyses of lip motion by Ramsay, J O, Munhall, K G, Gracco, V L, Ostry, D J

“…The vocal tract's motion during speech is a complex patterning of the movement of many different articulators according to many different time functions…”
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Dynamic control of the perioral system during speech: kinematic analyses of autogenic and nonautogenic sensorimotor processes by Gracco, V L, Abbs, J H

“…Afferent contributions to the motor control of speech were evaluated by applying unanticipated loads to the lower lip during the combined upper lip-lower lip…”
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Effects of alterations in auditory feedback and speech rate on stuttering frequency by Kalinowski, J, Armson, J, Roland-Mieszkowski, M, Stuart, A, Gracco, V L

“…This study investigated the effects of altered auditory feedback on stuttering frequency during speech production at two different speech rates, Nine…”
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Central patterning of speech movements by GRACCO, V. L, ABBS, J. H

“…Previous speech kinematic studies have demonstrated systematic timing relations among the upper lip, lower lip, and jaw suggesting the operation of a central…”
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Variant and invariant characteristics of speech movements by GRACCO, V. L, ABBS, J. H

“…Upper lip, lower lip, and jaw kinematics during select speech behaviors were studied in an attempt to identify potential invariant characteristics associated…”
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Sensorimotor characteristics of speech motor sequences by GRACCO, V. L, ABBS, J. H

“…The present experiment focused on the characteristics of sequential speech movements. Subjects generated two successive lip and jaw closing movements…”
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Parkinsonian deficits in serial multiarticulate movements for speech by Connor, N P, Abbs, J H, Cole, K J, Gracco, V L

“…Unlike the single joint arm movements so commonly the focus of Parkinson's disease (PD) studies, orofacial movements for speech are well-learned, complex motor…”
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Kinematic analysis of multiple movement coordination during speech in stutterers by Caruso, A J, Abbs, J H, Gracco, V L

“…This study addresses the long-standing claim that stuttering reflects an impairment in the neuromotor coordination of multiple speech movements. Upper lip…”
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Tongue body kinematics in velar stop production: influences of consonant voicing and vowel context by Löfqvist, A, Gracco, V L

“…This study examines vertical and horizontal tongue body movements in VCV sequences, where the consonant is a voiced or voiceless velar stop. The movement data…”
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Interarticulator programming in VCV sequences: lip and tongue movements by Löfqvist, A, Gracco, V L

“…This study examined the temporal phasing of tongue and lip movements in vowel-consonant-vowel sequences where the consonant is a bilabial stop consonant /p, b/…”
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Autogenic and nonautogenic sensorimotor actions in the control of multiarticulate hand movements by COLE, K. J, GRACCO, V. L, ABBS, J. H

“…Human subjects were trained to generate rapid movements of the thumb and index finger and produce a controlled pinch contact force. When unanticipated loads…”
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A mediating role of the premotor cortex in phoneme segmentation by Sato, Marc, Tremblay, Pascale, Gracco, Vincent L.

“…Consistent with a functional role of the motor system in speech perception, disturbing the activity of the left ventral premotor cortex by means of repetitive…”
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Lip and jaw kinematics in bilabial stop consonant production by Löfqvist, A, Gracco, V L

“…This paper reports two experiments, each designed to clarify different aspects of bilabial stop consonant production. The first one examined events during the…”
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Contribution of the pre-SMA to the production of words and non-speech oral motor gestures, as revealed by repetitive transcranial magnetic stimulation (rTMS) by Tremblay, Pascale, Gracco, Vincent L

“…Abstract An emerging theoretical perspective, largely based on neuroimaging studies, suggests that the pre-SMA is involved in planning cognitive aspects of…”
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Coarticulation of jaw movements in speech production: is context sensitivity in speech kinematics centrally planned? by Ostry, DJ, Gribble, PL, Gracco, VL

“…Coarticulation in speech production is a phenomenon in which the articulator movements for a given speech sound vary systematically with the surrounding sounds…”
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