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Deterioration of pre-existing hemiparesis brought about by subsequent ipsilateral lacunar infarction
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  • Published on:
    Authors' reply
    • Tetsuro Ago, MD, PhD
    • Other Contributors:
      • Takanari Kitazono

    Dear Editor

    We thank Dr Derakhshan for his comments [1] regarding our report.[2]

    Dr Derakhshan discusses the hypothesis that all movements are initiated from the major hemisphere,[3] which may be closely related to handedness. In neural right handers, the command of movement may originate in the left hemisphere. In cases of left hand movement, the command originated from the dominant hemisphere is once tran...

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    Conflict of Interest:
    None declared.
  • Published on:
    Making matters worse, ipsilaterally: A new explanation

    Dear Editor

    The Short Report by Ago and colleagues,[1] describing deterioration of pre-existing left hemiparesis by a subsequent ipsilateral hemispheric insult, contains a laterality-indexed aspect related to motor control in humans, not addressed by the authors.

    Cases similar to their patient are on record.[2] The explanation of the laterality indexed bilateral activation of motor cortices (or, as in...

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    Conflict of Interest:
    None declared.