title: Production of short timing responses: a comparative study with a deafferented patient.
abstract: How far can proprioception contribute to time keeping? To answer this question, a deafferented patient and neurologically normal subjects produced 1- or 5-sec durations in a sustained (continuous finger press) or discrete (two successive finger taps) manner, with and without Knowledge of Results. The findings were that: (1) proprioceptive afferents contribute to timing regulation in motor production of short durations; (2) this role can be rapidly compensated by Knowledge of Results; (3) the proprioceptive contribution is more important for sustained than for discrete performances; (4) stable performances are produced even when KR is withdrawn, suggesting familiarization with KR leads to the establishment of a mnemonic trace.
authors.affiliation: Laboratoire de Performance Motrice Humaine, Université Laval, Québec, Canada.
authors.forename: M
authors.initials: M
authors.lastname: Fleury
authors.forename: F
authors.initials: F
authors.lastname: Macar
authors.forename: C
authors.initials: C
authors.lastname: Bard
authors.forename: N
authors.initials: N
authors.lastname: Teasdale
authors.forename: J
authors.initials: J
authors.lastname: Paillard
authors.forename: Y
authors.initials: Y
authors.lastname: Lamarre
authors.forename: R
authors.initials: R
authors.lastname: Forget
mesh_terms: D000328:Adult; D000344:Afferent Pathways / Q000503:physiopathology*; D001288:Attention / Q000502:physiology; D005260:Female; D006801:Humans; D007721:Knowledge of Results, Psychological; D008297:Male; D008875:Middle Aged; D009413:Nerve Fibers, Myelinated / Q000502:physiology; D010523:Peripheral Nervous System Diseases / Q000503:physiopathology* / Q000523:psychology; D011434:Proprioception / Q000502:physiology*; D011597:Psychomotor Performance / Q000502:physiology; D011930:Reaction Time / Q000502:physiology*; D012016:Reference Values; D011984:Sensory Receptor Cells / Q000503:physiopathology; D013998:Time Perception / Q000502:physiology*