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PUBMED FOR HANDHELDS

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  • Title: Asymmetric facilitation from repeated paired magnetic stimulation of human motor cortex.
    Author: Hammond GR, Gillooly NJ.
    Journal: Neuroreport; 2008 Mar 05; 19(4):479-82. PubMed ID: 18287951.
    Abstract:
    Repeated stimulation of human motor cortex with pairs of magnetic pulses separated by 1.5 ms has been shown to increase the amplitude of the motor-evoked potentials in activated muscles, indicating a short-term plastic increase of corticospinal excitability. We show here that this increase is greater in the dominant than the nondominant motor cortex of right-handed participants. This finding is a direct demonstration that the potential for plastic synaptic change is greater in the dominant than the nondominant motor cortex and implies that a greater potential for reorganization within the dominant motor cortex is a mechanism of the greater dexterity of the dominant hand.
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