Search Results - "Stelmach, G E"

Parkinson’s disease patients undershoot target size in handwriting and similar tasks by Van Gemmert, A W A, Adler, C H, Stelmach, G E

“…Objectives:Previous research suggested that people with Parkinson’s disease are able to increase handwriting stroke size up to 1.5 cm without an increase of…”
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Commonalities and differences in control of various drawing movements by Dounskaia, N, Ketcham, C J, Stelmach, G E

“…Characteristics of control at the shoulder and elbow during nine types of drawing movements were studied in the present work. The task was to repetitively…”
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Control of aperture closure during reach-to-grasp movements in Parkinson's disease by RAND, M. K, SMILEY-OYEN, A. L, SHIMANSKY, Y. P, BLOEDEL, J. R, STELMACH, G. E

“…This study examined whether the pattern of coordination between arm-reaching toward an object (hand transport) and the initiation of aperture closure for…”
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Persistence in visual feedback control by the elderly by SEIDLER-DOBRIN, R. D, STELMACH, G. E

“…Young and elderly subjects performed aiming movements to a visual target with a manipulandum to determine whether the elderly reduce their reliance on visual…”
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Age-related kinematic differences as influenced by task difficulty, target size, and movement amplitude by KETCHAM, Caroline J, SEIDLER, Rachael D, VAN GEMMERT, Arend W. A, STELMACH, George E

“…Fifteen older adults (M = 68 years old) and 15 young adults (M = 23 years old) participated in a speed-accuracy task in which aiming movements were performed…”
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Programming of a movement sequence in Parkinson's disease by WEISS, P, STELMACH, G. E, HEFTER, H

“…The execution of multiple-component movements has been shown to be impaired in Parkinson's disease patients. To determine whether this deficit is attributed to…”
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Adaptation of reach-to-grasp movement in response to force perturbations by RAND, M. K, SHIMANSKY, Y, STELMACH, G. E, BLOEDEL, J. R

“…This study examined how reach-to-grasp movements are modified during adaptation to external force perturbations applied on the arm during reach. Specifically,…”
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Parkinsonism Reduces Coordination of Fingers, Wrist, and Arm in Fine Motor Control by Teulings, Hans-Leo, Contreras-Vidal, José L., Stelmach, George E., Adler, Charles H.

“…This experiment investigates movement coordination in Parkinson's disease (PD) subjects. Seventeen PD patients and 12 elderly control subjects performed…”
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Coordination among the body segments during reach-to-grasp action involving the trunk by JINSUNG WANG, STELMACH, G. E

“…To understand the internal representations used by the nervous system to coordinate multijoint movements, we examined the coordination among the body segments…”
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Interjoint coordination during handwriting-like movements by DOUNSKAIA, N, VAN GEMMERT, A. W. A, STELMACH, G. E

“…The present study investigates intrinsic preferences and tendencies in coordination of the wrist and finger movements during handwriting-like tasks. Movement…”
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Adaptation of handwriting size under distorted visual feedback in patients with Parkinson's disease and elderly and young controls by Teulings, H-L, Contreras-Vidal, J L, Stelmach, G E, Adler, C H

“…Objective: The ability to use visual feedback to control handwriting size was compared in patients with Parkinson's disease (PD), elderly people, and young…”
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Parkinsons disease and the control of size and speed in handwriting by Gemmert, A.w.a.Van, Teulings, H.-L, Contreras-Vidal, J.L, Stelmach, G.e

“…This experiment investigated whether Parkinsons disease (PD) patients experience problems in producing stroke size, stroke duration or both, in a handwriting…”
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Adaptation to gradual as compared with sudden visuo-motor distortions by KAGERER, F. A, CONTRERAS-VIDAL, J. L, STELMACH, G. E

“…If visual feedback is discordant with movement direction, the visuo-motor mapping is disrupted, but can be updated with practice. In this experiment subjects…”
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Discrete and dynamic scaling of the size of continuous graphic movements of parkinsonian patients and elderly controls by Longstaff, M G, Mahant, P R, Stacy, M A, Van Gemmert, A W A, Leis, B C, Stelmach, G E

“…Objectives: To systematically investigate the ability of Parkinson’s disease patients to discretely and dynamically scale the size of continuous movements and…”
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Age-related deterioration of coordinated interlimb behavior by SERRIEN, Deborah J, SWINNEN, Stephan P, STELMACH, George E

“…Younger and older participants performed two-limb coordination patterns of homologous (similar) and nonhomologous (dissimilar) effectors during 1:1…”
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Movement precues in planning and execution of aiming movements in Parkinson's disease by Leis, B.C., Rand, M.K., Van Gemmert, A.W.A., Longstaff, M.G., Lou, J.S., Stelmach, G.E.

“…Two experiments tested how changing a planned movement affects movement initiation and execution in idiopathic Parkinson's disease (PD) patients. In Experiment…”
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The co-ordination and phasing of a bilateral prehension task : The influence of Parkinson's disease by ALBERTS, J. L, TRESILIAN, J. R, STELMACH, G. E

“…Parkinson's disease patients and control subjects performed a simultaneous bilateral reach-to-grasp task to two different sized objects and then pulled the two…”
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Context-dependent arm pointing adaptation by Seidler, R.D., Bloomberg, J.J., Stelmach, G.E.

“…We sought to determine the effectiveness of head posture as a contextual cue to facilitate adaptive transitions in manual control during visuomotor…”
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Effects of accuracy constraints on reach-to-grasp movements in cerebellar patients by RAND, M. K, SHIMANSKY, Y, STELMACH, G. E, BRACHA, V, BLOEDEL, J. R

“…Reach-to-grasp movements of patients with pathology restricted to the cerebellum were compared with those of normal controls. Two types of paradigms with…”
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Common organization for unimanual and bimanual reach-to-grasp tasks by TRESILIAN, J. R, STELMACH, G. E

“…In two experiments comparisons between characteristics of performance of a unimanual and a bimanual reach-to-grasp (prehension) task were made on an individual…”
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