Prolonged cortical silent period after transcranial magnetic stimulation in generalized epilepsy.
cross_sectional · Level IV
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Abstract
Transcranial magnetic stimulation (TMS) produces a cortical silent period (CSP) during a voluntary contraction. The duration of the CSP was used to assess the level of intracortical inhibition in patients with untreated idiopathic generalized epilepsy (IGE). Mean CSP duration was assessed at three TMS stimuli in 21 patients with IGE compared with 19 normal control subjects. Mean CSP duration was increased at all stimulus intensities, indicating that intracortical inhibition is increased in patients with IGE.
Medical subject headings
- Epilepsy, Generalized
- Evoked Potentials, Motor
- Motor Cortex