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Dempsey-Jones, H.; Wesselink, D.B.; Friedman, J.; Makin, T.R. |
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Title |
Organized Toe Maps in Extreme Foot Users |
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2019 |
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Cell Reports |
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Cell Reports |
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28 |
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11 |
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2748-2756.e4 |
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Abstract |
Although the fine-grained features of topographic maps in the somatosensory cortex can be shaped by everyday experience, it is unknown whether behavior can support the expression of somatotopic maps where they do not typically occur. Unlike the fingers, represented in all primates, individuated toe maps have only been found in non-human primates. Using 1-mm resolution fMRI, we identify organized toe maps in two individuals born without either upper limb who use their feet to substitute missing hand function and even support their profession as foot artists. We demonstrate that the ordering and structure of the artists’ toe representation mimics typical hand representation. We further reveal “hand-like” features of activity patterns, not only in the foot area but also similarly in the missing hand area. We suggest humans may have an innate capacity for forming additional topographic maps that can be expressed with appropriate experience. |
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Elsevier |
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2211-1247 |
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doi: 10.1016/j.celrep.2019.08.027 |
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99 |
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Kaufman-Cohen, Y.; Levanon, Y.; Friedman, J.; Yaniv, Y.; Portnoy, S. |
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Title |
Home exercise in the dart-throwing motion plane after distal radius fractures: A Pilot Randomized Controlled Trial |
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Journal Article |
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2020 |
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Journal of Hand Therapy |
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103 |
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Lerner, O.; Friedman, J.; Frenkel-Toledo, S. |
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The effect of high-definition transcranial direct current stimulation intensity on motor performance in healthy adults: a randomized controlled trial |
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2021 |
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Journal of NeuroEngineering and Rehabilitation |
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J NeuroEngineering Rehabil |
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18 |
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103 |
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1743-0003 |
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109 |
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Cantergi, D.; Awasthi, B.; Friedman, J. |
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Moving objects by imagination? Amount of finger movement and pendulum length determine success in the Chevreul pendulum illusion |
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2021 |
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Human Movement Science |
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Human Movement Science |
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80 |
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102879 |
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0167-9457 |
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111 |
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Frenkel-Toledo, S.; Levin, M.F.; Berman, S.; Liebermann, D.G.; Baniña, M.C.; Solomon, J.M.; Ofir-Geva, S.; Soroker, N. |
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Shared and distinct voxel-based lesion-symptom mappings for spasticity and impaired movement in the hemiparetic upper limb |
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2022 |
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Scientific Reports |
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Sci Rep |
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12 |
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1 |
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2045-2322 |
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113 |
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