PSY 150A1 Lecture Notes - Lecture 8: Cyclophosphamide, Little Albert Experiment, Systematic Desensitization

• School: University of Arizona
• Department: Psychology Main
• Course: PSY 150A1
• Professor: Adam Lazarewicz

Document Summary

Learning: lasting change in thought/behavior due to experience. Conditioning: learning associations )mental pairings) between events. Stimulus a causes an automatic, reflexive response. In time stimulus b produces that same response by itself. Dogs salivated at sight of food dish, person who brought the food. Unconditioned stimulus (us): stimulus that automatically elicit a response (food) Unconditioned response (ur): automatic, reflexive response to us (salivation due to food) Conditioned stimulus (cs): originally neutral stimulus that gains meaning through pairings with us (tone) Extinction: eliminating cr (salivation to tone) by repeatedly presenting. Spontaneous recovery: reappearance, after a pause of extinct cr. Reacquisition (re-pairing us and cs) happens much faster than initial learning. Stimulus generalization: cr (salivation to tone) con be elicited by stimuli similar to cs (tone), but not identical. Closer it is to original cs more cr. Stimulus discrimination: ability to distinguish among similar stimuli, respond only to actual cs. Two other characters appeared (with positive/negative words/images)