Familial adult myoclonus epilepsy (FAME) also described as benign adult familial myoclonus epilepsy (BAFME) is a high-penetrant autosomal dominant condition featuring cortical myoclonus of varying frequency and occasional/rare convulsive seizures. In this update we provide a detailed overview of the main neurophysiological findings so far reported in patients with FAME/BAFME. After reviewing the diagnostic contribution of each neurophysiological technique, we discuss the possible mechanisms underlying cortical hyperexcitability and suggest the involvement of more complex circuits engaging cortical and subcortical structures, such as the cerebellum. We, thus, propose that FAME/BAFME clinical features should arise from an "abnormal neuronal network activity," where the cerebellum represents a possible common denominator. In the last part of the article, we suggest that future neurophysiological studies using more advanced transcranial magnetic stimulation (TMS) protocols could be used to evaluate the functional connectivity between the cerebellum and cortical structures. Finally, non-invasive brain stimulation techniques such as repetitive TMS or transcranial direct current stimulation could be assessed as potential therapeutic tools to ameliorate cortical excitability.

Familial adult myoclonus epilepsy: Neurophysiological investigations / Dubbioso, Raffaele; Suppa, Antonio; Tijssen, Marina A J; Ikeda, Akio. - In: EPILEPSIA. - ISSN 1528-1167. - (2023). [10.1111/epi.17553]

Familial adult myoclonus epilepsy: Neurophysiological investigations

Suppa, Antonio;
2023

Abstract

Familial adult myoclonus epilepsy (FAME) also described as benign adult familial myoclonus epilepsy (BAFME) is a high-penetrant autosomal dominant condition featuring cortical myoclonus of varying frequency and occasional/rare convulsive seizures. In this update we provide a detailed overview of the main neurophysiological findings so far reported in patients with FAME/BAFME. After reviewing the diagnostic contribution of each neurophysiological technique, we discuss the possible mechanisms underlying cortical hyperexcitability and suggest the involvement of more complex circuits engaging cortical and subcortical structures, such as the cerebellum. We, thus, propose that FAME/BAFME clinical features should arise from an "abnormal neuronal network activity," where the cerebellum represents a possible common denominator. In the last part of the article, we suggest that future neurophysiological studies using more advanced transcranial magnetic stimulation (TMS) protocols could be used to evaluate the functional connectivity between the cerebellum and cortical structures. Finally, non-invasive brain stimulation techniques such as repetitive TMS or transcranial direct current stimulation could be assessed as potential therapeutic tools to ameliorate cortical excitability.
2023
JLA; TMS; cortical excitability; cortical tremor; giant SEP
01 Pubblicazione su rivista::01a Articolo in rivista
Familial adult myoclonus epilepsy: Neurophysiological investigations / Dubbioso, Raffaele; Suppa, Antonio; Tijssen, Marina A J; Ikeda, Akio. - In: EPILEPSIA. - ISSN 1528-1167. - (2023). [10.1111/epi.17553]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1677368
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