Pavlovian Conditioning Mechanisms 2 Flashcards

1
Q

conditioning can result in _____ response to UCS, especially for _______ conditioning

A

changed
aversive (drug)

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2
Q

what can happen in aversive conditioning

A

CS can elicit conditioned analgesia, reduction in pain to UCS
conditioned release of endogenous opioids
reduced CR

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3
Q

what is conditioned analgesia in drugs

A

conditioned tolerance
drug cues alone elicit b process, danger of overdose
no CS but UCS, b process doesnt start, danger of overdose

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4
Q

what is the blocking effect

A

previously learned info abt CS-UCS prevents new associations of a new CS to UCS
we already know what works, dont need to learn new rule for nothing, provides little info, can be ignored
- coffee smell = coffee, dont need to learn that coffee sign = coffee

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5
Q

what is the rescorla-wagner model (RWM)

A

learning is engaged by unexpected events, not fully predicted ones
if US not surprising (diff from what expected), no learning

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6
Q

what model assumes that the degree of surprise relates to the conditioned properties btw CS-UCS

A

rescorla-wagner model

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7
Q

in rescorla-wagner model, what is strong and weak conditioning

A

strong: learning, strong prediction of UCS (dark cloud - rain)
weak: low expectation of UCS (sun =/= rain)

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8
Q

what does the rescorla-wagner equation say

A

associative strength of CS and UCS is proportionate to how well CS predicts UCS * expected vs what happened
what we learn on given trial is based on diff btw expected and happened (how surprising it is)

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9
Q

when do we learn most

A

when surprising

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10
Q

the diff btw what happens and what is expected _______ over time

A

reduces

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11
Q

when do we stop learning/paying attention

A

when CS-UCS association is well learnt and fully predictive

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12
Q

what is synonym for rescorla-wagner model and why

A

prediction error model
measures degree of err in prediction CS - UCS

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13
Q

how does the RWM relate to the blocking effect

A

when we can fully predict UCS with CS, stop learning

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14
Q

T.F. RWM predict that stimuli gain associative value if presented together on a conditioning trial after being trained separately

A

F. lose associative value
A = 1
B = 1
A+B = 1
A = 1/2
B = 1/2

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15
Q

What is extinction

A

UCS is no longer presented after CS

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16
Q

what is a limitation of RWM

A

selon model: extinction = reverse acquisition (un-learning) it explains extinction bhv-wise but not mechanism
but, extinction is actually learning a new association (CS –> no UCS)
dog still remembers that light did at some point = food, just learned new rule = not now!

17
Q

what are alternative theories of learning model

A

attentional models of conditioning
if UCS surprising, more att is focused on CS next trial which leads to learning
outcome of a given trial influences what is learned on next trial

18
Q

in attentional model of conditioning, learning is determined by how well the CS ______ _____
in RWM, how much is learnt on that trial depends on _________

A

commands attention (disrupting att to CS disrupts learning)
effectiveness of US on that trial

19
Q

what is the comparator hypothesis

A

conditioned responding depends on what happens during CS-US association AND what happens in other aspects of experimental situation (other CS prior to learning)

20
Q

how does the comparator hypothesis view blocking

A

during blocking, its the responding to CS that is blocked, not learning abt CS