Key findings: The toxin evoked behavioral alterations such as wet dog shakes, myoclonus, yawning and
orofacial automatisms. Electroencephalographic recordings exhibited alterations such as isolated or grouped
spikes and epileptic-like discharges. Injection of the toxin augmented glutamate concentration in the extracellular
fluid in some animals. There was also a decrease in the number of pyramidal cells, mainly in the CA1
and CA4 areas for some rats. In some slices of the hippocampus, an increase in intracellular calcium mobilization
was seen