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Author Raveh, E.; Friedman, J.; Portnoy, S.
Title Visuomotor behaviors and performance in a dual-task paradigm with and without vibrotactile feedback when using a myoelectric controlled hand Type Journal Article
Year 2018 Publication Assistive Technology Abbreviated Journal Assistive Technology
Volume 30 Issue Pages 274-280
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ISSN 1040-0435 ISBN Medium
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Notes Approved no
Call Number Serial 85
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Author Kaufman-Cohen, Y.; Levanon, Y.; Friedman, J.; Yaniv, Y.; Portnoy, S.
Title Home exercise in the dart-throwing motion plane after distal radius fractures: A Pilot Randomized Controlled Trial Type Journal Article
Year 2020 Publication Journal of Hand Therapy Abbreviated Journal
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Notes Approved no
Call Number Serial 103
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Author Lerner, O.; Friedman, J.; Frenkel-Toledo, S.
Title The effect of high-definition transcranial direct current stimulation intensity on motor performance in healthy adults: a randomized controlled trial Type Journal Article
Year 2021 Publication Journal of NeuroEngineering and Rehabilitation Abbreviated Journal J NeuroEngineering Rehabil
Volume 18 Issue Pages 103
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ISSN 1743-0003 ISBN Medium
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Notes Approved no
Call Number Serial 109
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Author Cantergi, D.; Awasthi, B.; Friedman, J.
Title Moving objects by imagination? Amount of finger movement and pendulum length determine success in the Chevreul pendulum illusion Type Journal Article
Year 2021 Publication Human Movement Science Abbreviated Journal Human Movement Science
Volume 80 Issue Pages 102879
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ISSN 0167-9457 ISBN Medium
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Notes Approved no
Call Number Serial 111
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Author Noy, L.; Alon, U.; Friedman, J.
Title Corrective jitter motion shows similar individual frequencies for the arm and the finger Type Journal Article
Year 2015 Publication Experimental Brain Research Abbreviated Journal Exp Brain Res
Volume 233 Issue 4 Pages 1307-1320
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Abstract (up) A characteristic of visuomotor tracking of non-regular oscillating stimuli are high-frequency jittery corrective motions, oscillating around the tracked stimuli. However, the properties of these corrective jitter responses are not well understood. For example, does the jitter response show an idiosyncratic signature? What is the relationship between stimuli properties and jitter properties? Is the jitter response similar across effectors with different inertial properties? To answer these questions, we measured participants' jitter frequencies in two tracking tasks in the arm and the finger. Thirty participants tracked the same set of eleven non-regular oscillating stimuli, vertically moving on a screen, once with forward-backward arm movements (holding a tablet stylus) and once with upward-downward index finger movements (with a motion tracker attached). Participants' jitter frequencies and tracking errors varied systematically as a function of stimuli frequency and amplitude. Additionally, there were clear individual differences in average jitter frequencies between participants, ranging from 0.7 to 1.15 Hz, similar to values reported previously. A comparison of individual jitter frequencies in the two tasks showed a strong correlation between participants' jitter frequencies in the finger and the arm, despite the very different inertial properties of the two effectors. This result suggests that the corrective jitter response stems from common neural processes.
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Language English Summary Language Original Title
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ISSN 0014-4819 ISBN Medium
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Notes PMID:25630905 Approved no
Call Number Serial 76
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