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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 (down) 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 Swissa, Y.; Hacohen, S.; Friedman, J.; Frenkel-Toledo, S.
Title Sensorimotor performance after high-definition transcranial direct current stimulation over the primary somatosensory or motor cortices in men versus women Type Journal Article
Year 2022 Publication Scientific Reports Abbreviated Journal Sci Rep
Volume 12 Issue (down) Pages 11117
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Abstract The primary somatosensory (S1) cortex is a central structure in motor performance. However, transcranial direct current stimulation (tDCS) research aimed at improving motor performance usually targets the primary motor cortex (M1). Recently, sex was found to mediate tDCS response. Thus, we investigated whether tDCS with an anodal electrode placed over S1 improves motor performance and sensation perception in men versus women. Forty-five participants randomly received 15-min high-definition tDCS (HD-tDCS) at 1 mA to S1, M1, or sham stimulation. Reaching performance was tested before and immediately following stimulation. Two-point orientation discrimination (TPOD) of fingers and proprioception of a reaching movement were also tested. Although motor performance did not differ between groups, reaching reaction time improved in the M1 group men. Reaching movement time and endpoint error improved in women and men, respectively. Correct trials percentage for TPOD task was higher in the S1 compared to the M1 group in the posttest and improved only in the S1 group. Reaching movement time for the proprioception task improved, overall, and endpoint error did not change. Despite the reciprocal connections between S1 and M1, effects of active tDCS over S1 and M1 may specifically influence sensation perception and motor performance, respectively. Also, sex may mediate effects of HD-tDCS on motor performance.
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ISSN 2045-2322 ISBN Medium
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Notes Approved no
Call Number Serial 114
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Author Mimouni-Bloch, A.; Shaklai, S.; Levin, M.; Ingber, M.; Karolitsky, T.; Grunbaum, S.; Friedman, J.
Title Developmental and acquired brain injury have opposite effects on finger coordination in children Type Journal Article
Year 2023 Publication Frontiers in Human Neuroscience Abbreviated Journal Front. Hum. Neurosci.
Volume 17 Issue (down) Pages 1083304
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ISSN 1662-5161 ISBN Medium
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Notes Approved no
Call Number Serial 119
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Author Geller, N.; Moringen, A.; Friedman, J.
Title Learning juggling by gradually increasing difficulty vs. learning the complete skill results in different learning patterns Type Journal Article
Year 2023 Publication Frontiers in Psychology Abbreviated Journal Front Psychol
Volume 14 Issue (down) Pages 1284053
Keywords coordination; difficulty; juggling; learning strategies; motor learning
Abstract Motor learning is central to sports, medicine, and other health professions as it entails learning through practice. To achieve proficiency in a complex motor task, many hours of practice are required. Therefore, finding ways to speed up the learning process is important. This study examines the impact of different training approaches on learning three-ball cascade juggling. Participants were assigned to one of two groups: practicing by gradually increasing difficulty and elements of the juggling movement (“learning in parts”) or training on the complete skill from the start (“all-at-once”). Results revealed that although the all-at-once group in the early stages of learning showed greater improvement in performance, the “learning in parts” group managed to catch up, even over a relatively short period of time. The lack of difference in performance between the groups at the end of the training session suggests that the choice of training regime (between all-at-once and learning in parts), at least in the short term, can be selected based on other factors such as the learner's preference, practical considerations, and cognitive style.
Address Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
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Language English Summary Language Original Title
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ISSN 1664-1078 ISBN Medium
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Notes PMID:38022928; PMCID:PMC10679398 Approved no
Call Number Serial 120
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