Animals 4 Cerebral Cortex 4 Convulsants Seizures 4 animal experiment 4 article 4 brain cortex 4 controlled study 4 dose response 4 nonhuman 4 seizure 4 3 mercaptopropionic acid 2 3-Mercaptopropionic Acid 2 3alpha hydroxy 6,19 oxidopregn 4 en 20 one 2 4 aminobutyric acid A receptor 2 4 aminopyridine 2 4-Aminopyridine 2 Attention deficit hyperactivity disorder 2 Bicuculline 2 Cricetinae 2 D4 receptor 2 Dopamine 2 Dose-Response Relationship, Drug 2 Drd4 protein, mouse 2 Epilepsy 2 Frontal cortex 2 Glutamate 2 Glutamic Acid 2 Immunohistochemistry 2 Indicators and Reagents 2