PSYC 2330 Lecture Notes - Lecture 7: Exposure Hierarchy, Aversion Therapy, Learned Helplessness
18 Jan 2017
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Only eat popcorn when at the movies: stimulus generalization responding to test stimuli that are. Stimulus equivalence responding to physically distinct. Reflexivity stimulus matches to itself without training. Symmetry reversing the match without training (a=b, Transitivity learner can match untrained examples stimuli as if they were the same because of common prior experiences with the stimuli; when stimulus generalization occurs; (a=b and b=c, so a=c) (a=a) Avoidance learning: negative reinforcement - remove something bad to increase, escape and avoidance behaviour. Escape prior exposure + try to leave. Avoidance prevent contact: the avoidance paradox. Animal learns that warning signal + jumping to other side = not getting shocked. Animal keeps jumping as soon as warning signal goes even though shock never comes should be extinction. Two-factor theory (mowrer: why do we avoid the things that we fear, factor 1 classical fear conditioning, factor 2 reinforcement through fear reduction (negative. Tone (cs) gets paired with shock (us)
