Epilepsia · 2004
Motor responses to afferent stimulation in juvenile myoclonic epilepsy.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Manganotti Paolo, Tamburin Stefano, Bongiovanni Luigi Giuseppe, Zanette Giampietro, Fiaschi Antonio
Аннотация
PURPOSE: To document whether the mechanisms responsible for myoclonic jerks in juvenile myoclonic epilepsy (JME) are similar to those causing other forms of myoclonus.
METHODS: We studied somatosensory evoked potentials, the conditioning effect of cutaneous afferents on motor potentials evoked by transcranial magnetic stimulation (TMS), and intracortical inhibition and facilitation in response to paired TMS in a group of nine patients with JME and 20 normal controls.
RESULTS: Intracortical inhibition was abnormal, whereas cortical somatosensory evoked potentials and TMS conditioned by cutaneous afferents were unaltered in JME patients.
CONCLUSIONS: Abnormal processing of cutaneous afferents would not appear to contribute to myoclonus in JME.
METHODS: We studied somatosensory evoked potentials, the conditioning effect of cutaneous afferents on motor potentials evoked by transcranial magnetic stimulation (TMS), and intracortical inhibition and facilitation in response to paired TMS in a group of nine patients with JME and 20 normal controls.
RESULTS: Intracortical inhibition was abnormal, whereas cortical somatosensory evoked potentials and TMS conditioned by cutaneous afferents were unaltered in JME patients.
CONCLUSIONS: Abnormal processing of cutaneous afferents would not appear to contribute to myoclonus in JME.