Clonazepam enhances the effects of GABA in the central nervous system. GABA helps reduce excessive neuronal activity, and increasing its inhibitory effects can produce calming, muscle-relaxing, and anticonvulsant effects.Clonazepam enhances the effects of GABA in the central nervous system. GABA helps reduce excessive neuronal activity, and increasing its inhibitory effects can produce calming, muscle-relaxing, and anticonvulsant effects.