GABAA receptor-mediated networks during focal seizure onset and progression in vitro.


Unit of Epileptology, Fondazione IRCCS Istituto Neurologico Carlo Besta, via Celoria 11, Milano, Italy. Electronic address: [Email]


Focal seizures are triggered by the pathological synchronization of a functionally altered group of neurons. In vivo and in vitro results in rodents and single unit studies in humans suggest that seizure can be initiated by increased activity in interneuronal networks. We review here the data derived from in vitro perparations to describe the function of GABAergic network in different phases of focal seizures. The data demonstrate that GABA-mediated synchronization of interneuronal activity has an active role in shaping focal seizure dynamics.

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