PSYCH261 Chapter Notes - Chapter 13: Red Nucleus, Cerebral Cortex, Cerebellum

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Classical conditioning (pairing two stimuli changes the response to one of them) Pairing cs + ucs ucr cr. Cs (sound) + ucs (meat) ucr cs = cr (salivation) Instrumental conditioning/operant conditioning (reinforce/punishment depends on the individual"s response that leads to the outcome) Engram (physical representation of what has been learned ex. Pavlov (strengthened connection between a cs center and ucs center in the brain strengthened connection lets any excitation of the cs flow to the ucs center, evoking the ucr) Lashley (if learning depends on new/strengthened connections between two brain areas, a knife cut somewhere in the brain should interrupt that connection and abolish the learned response) Trained rats + made deep cuts in varying cortices. Also removed large portions of the cortex (impair performance but deficit depended more on the amount of brain damage than on its location) Learning and memory did not rely on a single cortical area.

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