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Titolo:
DIFFERENCES IN BIMANUAL COORDINATION ASSOCIATED WITH STUTTERING
Autore:
ZELAZNIK HN; SMITH A; FRANZ EA; HO M;
Indirizzi:
PURDUE UNIV,DEPT HLTH KINESIOL & LEISURE STUDIES W LAFAYETTE IN 47907 PURDUE UNIV,DEPT AUDIOL & SPEECH SCI W LAFAYETTE IN 47907 UNIV CALIF BERKELEY,DEPT PSYCHOL BERKELEY CA 94720
Titolo Testata:
Acta psychologica
fascicolo: 3, volume: 96, anno: 1997,
pagine: 229 - 243
SICI:
0001-6918(1997)96:3<229:DIBCAW>2.0.ZU;2-Q
Fonte:
ISI
Lingua:
ENG
Soggetto:
MOTOR-PERFORMANCE; SPEECH; MOVEMENTS; MECHANISMS;
Keywords:
SPEECH MOTOR CONTROL; STUTTERING; COORDINATION;
Tipo documento:
Article
Natura:
Periodico
Citazioni:
38
Recensione:
Indirizzi per estratti:
Citazione:
H.N. Zelaznik et al., "DIFFERENCES IN BIMANUAL COORDINATION ASSOCIATED WITH STUTTERING", Acta psychologica, 96(3), 1997, pp. 229-243

Abstract

The motor coordination of adults who stutter was examined in the performance of a bimanual movement task. Fifteen subjects who stutter and 15 matched subjects who do not stutter performed three trials of a bimanual finger movement task. Subjects were required to produce a flexion and extension movement of the metacarpophalangeal joint of each index finger in rhythm to a metronome. The rate of movement increased during the 70 s trial. Stutterers could maintain movements at the prescribed rate as well as nonstutterers; however, stutterers moved with less amplitude and peak velocity. In addition, dynamical analysis revealed that subjects who stutter exhibited greater relative phase variabilitythan subjects who do not stutter. These results shed new light on themixed results of earlier studies on nonspeech motor performance of individuals who stutter and suggest that there are strategic differencesas well as coordination differences that should be observable across a variety on motor tasks requiring coordination of multiple effecters,(C) 1997 Elsevier Science B.V.

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Documento generato il 14/08/20 alle ore 08:14:44