Search Results - "MAI, Norbert"

Can a motion-blind patient reach for moving objects? by Schenk, Thomas, Mai, Norbert, Ditterich, Jochen, Zihl, Josef

“…It has been claimed that the visual brain is organized in two separate processing streams for spatial vision: one for perception and one for action. To…”
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The effects of digital anaesthesia on predictive grip force adjustments during vertical movements of a grasped object by Nowak, Dennis A., Hermsdörfer, Joachim, Glasauer, Stefan, Philipp, Jens, Meyer, Ludger, Mai, Norbert

“…Grip force adjustments to fluctuations of inertial loads induced by vertical arm movements with a grasped object were analysed during normal and impaired…”
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Is writer's cramp caused by a deficit of sensorimotor integration? by SCHENK, Thomas, MAI, Norbert

“…Writer's cramp is a highly specific movement disorder in which handwriting is impaired while most other manual skills are often unaffected. On the basis of…”
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Characteristic MR Lesion Pattern and Correlation of T1 and T2 Lesion Volume with Neurologic and Neuropsychological Findings in Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy (CADASIL) by Yousry, Tarek A, Seelos, Klaus, Mayer, Michael, Bruning, Roland, Uttner, Ingo, Dichgans, Martin, Mammi, Sylvia, Straube, Andreas, Mai, Norbert, Filippi, Massimo

“…Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is an arteriopathy related to a genetic defect of the…”
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The DYT1 GAG deletion is infrequent in sporadic and familial writer's cramp by Kamm, Christoph, Naumann, Markus, Mueller, Joerg, Mai, Norbert, Riedel, Leonhard, Wissel, Joerg, Gasser, Thomas

“…A 3‐base pair (GAG) deletion in the DYT1 gene has recently been found to be responsible for most cases of early‐onset primary generalized dystonia. In some…”
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Feedback-based training of grip force control in patients with brain damage by Kriz, G, Hermsdörfer, J, Marquardt, C, Mai, N

“…Feedback-based training of grip force control in patients with various brain lesions was evaluated. Patients were instructed to hold a force transducer in a…”
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Time constraints improve reaching movements in an ataxic patient by Schenk, T, Mai, N

“…We report on a patient (AM) with a post-traumatic ataxia who has uncoordinated reaching movements to resting targets, but is able to catch moving objects. AM…”
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The role of cutaneous feedback for anticipatory grip force adjustments during object movements and externally imposed variation of the direction of gravity by Nowak, Dennis A., Glasauer, Stefan, Meyer, Ludger, Mai, Norbert, Hermsdörfer, Joachim

“…Grip force adjustments to changes of object loading induced by external changes of the direction of gravity during discrete arm movements with a grasped object…”
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TheDYT1 GAG deletion is infrequent in sporadic and familial writer's cramp by Kamm, Christoph, Naumann, Markus, Mueller, Joerg, Mai, Norbert, Riedel, Leonhard, Wissel, Joerg, Gasser, Thomas

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Music memory provides access to verbal knowledge in a patient with global amnesia by Baur, Barbara, Uttner, Ingo, Ilmberger, Josef, Fesl, Gunther, Mai, Norbert

“…We report on the patient CH, who showed marked impairment of declarative memory in everyday life and standardized memory tests subsequent to herpes simplex…”
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Residual control of isometric finger forces in hemiparetic patients. Evidence for dissociation of performance deficits by Mai, N

“…Dissociation of performance in the control of isometric finger forces was observed in 6 patients with left-sided unilateral lesions involving sensorimotor…”
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A system for the study of visuomotor coordination during reaching for moving targets by Schenk, Thomas, Philipp, Jens, Häußler, Andreas, Hauck, Alexa, Hermsdörfer, Joachim, Mai, Norbert

“…Prehensile behavior is a popular task in current research on human motor control. Most studies on reaching used stationary target objects and, therefore, most…”
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Disturbed Grip-Force Control Following Cerebral Lesions by Hermsdörfer, Joachim, Mai, Norbert

“…Clinical routine examinations of grip force are usually restricted to measurements of strength; however, more detailed evaluations of grip-force control…”
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Learning to write letters: transfer in automated movements indicates modularity of motor programs in human subjects by Kharraz-Tavakol, Oliver D., Eggert, Thomas, Mai, Norbert, Straube, Andreas

“…Many automatic movements are open-loop, feed-forward motor programs (MP) that are kinematically well characterized by smooth speed and acceleration curves…”
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Persisting "writer's cramp" as a result of compensation of a temporary palsy due to a hereditary neuropathy with liability to pressure palsies by Straube, A, Mai, N, Walther, E, Mayer, M

“…A 49-year-old man reported several periods of acute paresis of different nerves after exposure to pressure. All palsies showed a good recovery over a period of…”
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Effects of changing gravity on anticipatory grip force control during point-to-point movements of a hand-held object by Nowak, D A, Hermsdörfer, J, Philipp, J, Marquardt, C, Glasauer, S, Mai, N

“…We investigated the quality of predictive grip force control during gravity changes induced by parabolic flight maneuvers. During these maneuvers gravity…”
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Perturbation of precision grip in Friedreich's ataxia and late-onset cerebellar ataxia by Hermsdörfer, J, Wessel, K, Mai, N, Marquardt, C

“…Perturbations of precision grip were tested in 7 patients with Friedreich's ataxia (FA) and 11 patients with late-onset cerebellar ataxia (CA). Subjects were…”
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Evaluation of precision grip using pneumatically controlled loads by Hermsdörfer, J, Mai, N, Marquardt, C

“…Precise control of grip force and finger movement is a fundamental aspect of motor tasks in which an object is held and manipulated between the subject's…”
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Control of isometric finger force in patients with cerebellar disease by Mai, N, Bolsinger, P, Avarello, M, Diener, H C, Dichgans, J

“…Control of isometric forces during grasping or handling of objects is an essential feature of all skilled manual performances. Previous studies of hand…”
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Maintenance of low isometric forces during prehensile grasping by Mai, N, Avarello, M, Bolsinger, P

“…A specially designed microcomputer-controlled force measurement system was tested in 24 normal adults. The task was to maintain a prescribed low isometric…”
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