Journal
JOURNAL OF NEUROSCIENCE METHODS
Volume 260, Issue -, Pages 159-174Publisher
ELSEVIER
DOI: 10.1016/j.jneumeth.2015.05.022
Keywords
Epilepsy; Animal model; Absence epilepsy; Cortex; Electrophysiology; Magnetic resonance imaging; Neural network
Categories
Funding
- Inserm
- ANR
- Investissements d'avenir [ANR-10-IAIHU-06]
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First characterized in 1982, the genetic absence epilepsy rat from Strasbourg (GAERS) has emerged as an animal model highly reminiscent of a specific form of idiopathic generalized epilepsy. Both its electrophysiological (spike-and-wave discharges) and behavioral (behavioral arrest) features fit well with those observed in human patients with typical absence epilepsy and required by clinicians for diagnostic purposes. In addition, its sensitivity to antiepileptic drugs closely matches what has been described in the clinic, making this model one of the most predictive. Here, we report how the GAERS, thanks to its spontaneous, highly recurrent and easily recognizable seizures on electroencephalographic recordings, allows to address several keyquestions about the pathophysiology and genetics of absence epilepsy. In particular, it offers the unique possibility to explore simultaneously the neural circuits involved in the generation of seizures at different levels of integration, using multiscale methodologies, from intracellular recording to functional magnetic resonance imaging. In addition, it has recently allowed to perform proofs of concept for innovative therapeutic strategies such as responsive deep brain stimulation or synchrotron-generated irradiation based radiosurgery. (C) 2015 Elsevier B.V. All rights reserved.
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