PSYC 401 Lecture Notes - Lecture 12: Karl Lashley, Classical Conditioning, Episodic Memory
Document Summary
Pavlov believed that classical conditioning was the result of a strengthened connection between two brain areas: cs activity . Ucs = unconditioned stimulus, excited the ucs center excited. Classic example: dog salivating at bell noise dog also became conditioned to scientists" presence. Reinforcement - any event that increases the future probability of the response. Negative (refers to nature of stimulus, not punishment) reinforcement. Punishment - any event that decreases the future probability of the response associated w/ aversive stimuli. Two chamber box rat in one side mild aversive foot shock rat should escape to other side if then signal onset of shock rat will avoid shock. Engram - the physical representation of a memory. Karl lashley - maze studies with rats, removed parts of cortex. Believed there was a single biological locus for memory. Tried to find what areas of brain were responsible for memory searching for engram.
