1961- 20thcentury african alcohol aminobutyrates anesthetics art benzodiazepines brain brainchemistry centralnervoussystem congresses drug exhibitions gaba-a gamma-aminobutyricacid genetics hippocampus hippocampus(brain) isolation meschac molecularpharmacology neuralreceptors neuraltransmission neurology neuronalplasticity neuroplasticity neuropsychopharmacology neurotransmitter pharmacology physiologicaleffect physiology purification qv38g1031980 receptors steroids synaptic synaptictransmission wk102g1121989 wl300g1031975