Preethi Hegde Behavioural and electrophysiological approaches to assess the efficacy of enviornmental enrichment in extinction of fear memory in wistar rats - - Bangalore Dept of Neurophysiology NIMHANS 2011 - 132p 28cm - . Behaviour -Animals -rats, Electrophysiology, Physiology,Neuro, Memory,Fear Subjects--Topical Terms: Memory,FearPhysiology,NeuroElectrophysiologyBehaviour -Animals -rats Dewey Class. No.: A4.2 / PRE