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The Hippocampus Participates In A Pharmacological Rat Model Of Absence Seizures, Justin Andrew Arcaro
The Hippocampus Participates In A Pharmacological Rat Model Of Absence Seizures, Justin Andrew Arcaro
Electronic Thesis and Dissertation Repository
The thalamocortical network is responsible for the generation of spike-and-wave discharges (SWDs) in absence epilepsy. Recent studies suggest a potential involvement of the hippocampus, which may explain the variability in the extent of cognitive deficits among patients with absence epilepsy. I hypothesize that the hippocampus may become entrained in spike-and-wave discharges following thalamocortical activation. The gamma-butyrolactone (GBL) rat model of absence seizures was used in this thesis. Following GBL injection, SWDs of 4 to 6 Hz developed in the spontaneous local field potentials (LFPs) recorded by depth electrodes in the thalamus, neocortex and hippocampus. Synchronization of hippocampal, thalamic and neocortical …