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Chapter 4 - behavioural (rescola wagner model (3 key situations in…
Chapter 4 - behavioural
classical conditioning
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begins with something that already makes a reponse (food = drooling) how do we tie something else into this?
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Helps organism prepare for the future, has to do with expectations
two types
aversive
things you do not want
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the US = shock, CS may be light or tone, CR usually freezing
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eye blink
CS = tone, does not blink until paired with air puff.
appetitive
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ex: quial, CS=light, US = access to female, UR = coming to have sex
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extinction
not unlearning, but learning the opposite. Hence spontaneous recovery, CR renewal and reinstatment
CR renewal
if the extinction occurs in a different room you can put them back in the same room and the CR gets renewed again.
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inhibatory conditioning
the CS is predicting the lack of the US, unlike excitatory
conditional (standard)
ex: you learn CS+ is food but CS+ and CS- are not food. So when you get CS+ you get food, it is conditional.
differential procedure
on some trials you get the CS+ which gives you food and on other trials you get CS- and you do not get food.
Kamin's blocking effect
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shows that learning only occurs when a cue is both useful and a non redundant predictor of future events.
rescola wagner model
the surprise of the animal, how much surprise does an animal have with each step.
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