PS101 Lecture Notes - Immune System, Drug Tolerance, Homeostasis
Document Summary
Intro: we need to be able to learn from our environment. Basics of classical conditioning: an adaptive mechanism that allows animals to learn to respond to signals in the environment. Reliability: one stimulus predicts another if there is a contingency between them. Signal is followed by thing being signaled: pavlov"s method for arranging a contingency, conditioning is a gradual process. Cc terms and trials: 4 key elements ex: ring bell before giving dog food, teach bell signals food coming, cause salivation. Us (or ucs) the thing being signaled (ex: the food) Ur (or ucr) the response to the us (ex: salivation) unconditioned = natural responses. Cs the signal (ex: the bell) originally neutral. Cr the response to the cs (ex: salivation: typical trial (results in acquisition) Followed by us, which always evokes ur. Participants respond to the cs with cr. 6 what affects conditioning: conditioning is faster when the cs is intense.
