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| response to CS, measure amplitude, probability, latency |
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| CR declines and disappears over trials without US |
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after rest interval, extinguished CR reappears at almost previous strength, and extinguishes faster next time
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| closeness of time and acquisition of conditioned reflex (i.e. reward as soon as performs desired task, learn it faster) |
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| time between CS and US - depends on what is being trained |
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similar stimuli produce similar responses
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different stimuli produce different responses
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| learning from reinforcement (rewards and punishment, positive and negative) |
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response is automatically strengthened when followed by reinforcement ("satisfying state of affairs"); automatically weakened when followed by punishment ("annoying state of affairs")
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| always increases rate of responding |
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| delivers appetitive stimulus (food/approval) - ex: good grades therefore get to stay up later |
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| removes aversive stimulus (shock, noise) - ex: kid gets good therefore dont have to do chores |
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| present stimulus and decreases behavior - give something undesirable - ex: kid getting extra chores |
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| decreases behaviors and removes stimulus - takes away something desirable - ex: little kid has tv taken away |
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indicates under what circumstances response will be reinforced
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- time is fixed; rat gets food pellet for next bar press, say, 30 seconds after last pellet
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- time is average; rat gets food pellet for next bar press 20, 40, 25, 35 seconds after last pellet, etc. - 30 seconds on average
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ratio of responses:reinforcement
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ratio is average; rat gets food pellet after 8, 12, 5, 15 responses - 10th response on average
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| contingency not contiguity |
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