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Lecture 10

PSYC*2330 Lecture 10

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PSYC 2330
Francesco Leri

Thursday Feb 9 2012PSYC2330 Lecture 10Opponent Process TheoryThe Ofcealtoidsthere is a movement towards the expected unconditioned stimulus hand out to get the altoidhe says he gets a bad taste when he hears the soundif the US Altoid produces freshness UR now the CS tone produces bad taste the opposite of freshnessits not true that the Cr is always mimicking the UR sometimes its completely oppositehow can you predict what your CR will be which part of the UR will it mimicSometimes Opponent Process SOP TheoryAllan WagnerThe CR will mimic the UR is the UR is monophasic no bprocessmonophasiconly one dimension eg eye blinkingThe CR will be opposite to the UR if the UR is biphasic bprocessHeartrate UR to shock is biphasicCRdecrease in HREye UR to puff of air is monophasicCRURLocomotor UR to shock is biphasic CRfreezingLocomotor UR to morphine is biphasicCRincrease in locomotionmorphine in ratsrst their activity slows down and the it increases more than a normal ratafter a while if you put them in the chamber drug free the rat is very hyperactivesame thing for pain when you measure morphine and sensitivity to painyou become more sensitive to pain
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