Epilepsy thumb|180px| An EEG showing epilepsy right-hippocampal seizure onset thumb|right|180px| An EEG showing epilepsy left-hippocampal seizure onset The hippocampus is one of the few brain regions where new neurons are generated. This process of neurogenesis is confined to the dentate gyrus. Neurogenesis can be positively affected by exercise or negatively affected by epileptic seizures.
Epilepsy thumb|180px| An EEG showing epilepsy right-hippocampal seizure onset thumb|right|180px| An EEG showing epilepsy left-hippocampal seizure onset The hippocampus is one of the few brain regions where new neurons are generated. This process of neurogenesis is confined to the dentate gyrus. Neurogenesis can be positively affected by exercise or negatively affected by epileptic seizures.