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  • Title: The silent period threshold as a measure of corticospinal inhibition.
    Author: Lo YL, Fook-Chong S.
    Journal: J Clin Neurophysiol; 2005 Jun; 22(3):176-9. PubMed ID: 15933489.
    Abstract:
    Corticomotor threshold is a clinically useful concept for defining motor cortex excitability using transcranial magnetic stimulation. Although the silent period duration can be a quantitative measure of corticospinal inhibitory function, its threshold value has not been formally determined. The authors studied 20 right-handed normal subjects and found that silent period threshold was a reproducible parameter that did not vary with age and sex. Its value was significantly lower with left-sided transcranial magnetic stimulation and right-hand recordings. The silent period threshold may be a novel parameter useful for future studies of cortical inhibitory function.
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