| Records |
| 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 |
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Pages |
103 |
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| ISSN |
1743-0003 |
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109 |
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Krasovsky, T.; Keren-Capelovitch, T.; Friedman, J.; Weiss, P.L. |
| Title |
Self-feeding kinematics in an ecological setting: typically developing children and children with cerebral palsy |
Type |
Journal Article |
| Year |
2021 |
Publication |
IEEE Transactions on Neural Systems and Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society |
Abbreviated Journal |
IEEE Trans Neural Syst Rehabil Eng |
| Volume |
29 |
Issue |
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Pages |
1462-1469 |
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| Abstract |
Assessment of self-feeding kinematics is seldom performed in an ecological setting. In preparation for development of an instrumented spoon for measurement of self-feeding in children with cerebral palsy (CP), the current work aimed to evaluate upper extremity kinematics of self-feeding in young children with typical development (TD) and a small, age-matched group of children with CP in a familiar setting, while eating with a spoon. METHODS: Sixty-five TD participants and six children diagnosed with spastic CP, aged 3-9 years, fed themselves while feeding was measured using miniature three-dimensional motion capture sensors (trakStar). Kinematic variables associated with different phases of self-feeding cycle (movement time, curvature, time to peak velocity and smoothness) were compared across age-groups in the TD sample and between TD children and those with CP. RESULTS: Significant between-age group differences were identified in movement times, time to peak velocity and curvature. Children with CP demonstrated slower, less smooth self-feeding movements, potentially related to activity limitations. CONCLUSIONS: The identified kinematic variables form a basis for implementation of self-feeding performance assessment in children of different ages, including those with CP, which can be deployed via an instrumented spoon. |
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English |
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1534-4320 |
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| Notes |
PMID:34280104 |
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no |
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Serial |
110 |
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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 |
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Pages |
102879 |
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0167-9457 |
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no |
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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 |
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Pages |
11117 |
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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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2045-2322 |
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no |
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114 |
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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 |
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Journal Article |
| Year |
2023 |
Publication |
Frontiers in Human Neuroscience |
Abbreviated Journal |
Front. Hum. Neurosci. |
| Volume |
17 |
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Pages |
1083304 |
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1662-5161 |
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no |
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119 |
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