Psychology 1000 Lecture 7: Chapter-7-Learning-237-246-245-249-255-264-Nov.28th-266-273-finish-Ch7

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Dr.Mike

Document Summary

>association of neutral stimulus with one that consistently elicits a response. 1. the dentist"s o ce (there are many possible ucs, ur, cs, cr) >rate attractiveness of male photos negative music a ects the result. Acquisition curves response strength: latency (cs-cr) negatively accelerated >in the beginning, big changes, lots of learning; later, less and less. Cs before ucs works best, with cs-ucs the interval=0. 5 sec. Cs and ucs happen in the same time: backward pairing. Pair primary cs with another neutral stimulus (secondary cs) Cs loses cue value(no food after bell anymore) Degree of responding to stimuli similar to training stimulus response most to the most similar stimulus. Model: stimulus situation >dominant response, choose and reinforce some target response, stimulus situation >target response. Rat press bar >reward (food) is delivered > bar pressing increases. Rat presses bar >aversive stimulus (shock) is delivered >bar pressing decreasing. Rat presses bar >pleasant stimulus (food) is removed > bar pressing is decreasing.