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Classical Conditioning
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- 1NS eventually becomes?CS which elicts a CR
- 2Acquisition of learning curve factsNegative curve
Learning continues beyond asympotte but we cant measure it - 3Appetitive US factsAuto response e.g. eating these give pleasure and satisfaction.
This is slower and require more trials till acqusition - 4Aversive USnoise , shock etc gives avoidance and escape responses . Acqusition is quick depending on intesity of trials
Emotional CR - Then motor response - 5Stimulus Sub TheoryPavlov thought CS became a subsititute for the US (availablity)
E.g. sign tracking AKA autoshaping - 6Evidence against stimulus subtAversive US here the CR is different to UR
intially the cat freezes then later the tone is paired with shock . - 7Preparatory Response theoryis that CR is tehre to prepare the organism for the upcoming UCS supports aversive conditioning
Think about her newphew and the dog bein very excited and jump the kid got scared. - 8Compsensatory response model - form of prep theoryTalks about the after effect
so after drug abuse the CS needle by passes the rush and u get the withdraw straight away - 9Does CC work on stimuli that are silar to it?Yes but not to the same content ... they generalise to the similar stimuli and discriminating to dissimilar
- 10Stimulus DiscrminationIs learned ability to tell the different between CS and other stimuli that don't signal the US
- 11Stimulus generalisationCalled semantic generalisation
words that were semantic similar had a higher response than words that sounded the similar - 12Higher Order Conditioning AKA?Second order conditioning
Pavlov - 13Higher Order ConditioningToo many pairings could lead to extinction
- 14Limitations Of HOCCR to CS2 is weaker by 50 percent
Its difficult to suceed because conditioned inhibition also arises --) more pairins result in inhition - 15Sensory Pre-conditioningReverse the order of first and second conditioning phases
- 16Sensory Pre-conditoning findings?Metrone --) Light
Light --) food
Test--) does the metrone create salviation?
YES! - 17Sensory Pre con order Phase 1S2---)S1
- 182S1 --) US
- 193Test s2
- 20Secondoary order 1-31 : S1 - US
2. S2-S1
3. S2 test
Phase 1 - 2 are reversed test is the same - 21OvershadowingSailent with a faint stimulus the strong one will overshadow the weak one
- 22Blocking Animal knew this because one cue was linked to something Change of behavior to cognitive (THOUGTHS)Both stimulus are equally sailent
now the pretraining light blocks conditioning to metronmeme . Because the dog ignores the metrone when its paired with the light . - 23Latent InhibitionPairing the metronome 100 times by itself it will won't produce a condition response when once paired with food
because intially it wasnt paired with anything - 24Simultaneous conditioningCS and US are presented and terminated together
- 25Delayed (most effective way)CS is presented , then u leave it for a while and present the US and terminate the CS and US together
- 26Trace conditioningCS begins and ends before US is presented
(taste aversion)
Longer interval look at the slide for this and test yourself - 27BackwardCS is presented after US is terminated
- 28Extinction factsOccurs gradually
After ex no CR
But CS-uS association is NOT erased
ONCE SOMETHING IS LEARNED IT CANT BE ERASED - 29Acquisition Ex Spon ReacquiCS n US
CS Alone
Cs Alone - some recovery
CS and US close to the same - 30Shipley studyWas found duration matters the most . The number of trials alone doesn't determine the rate of extinction . Important for exposure therapy
- 31What makes resistance to exSometimes pairing the CS and US together again
- 32Spontaneous Recoveryhappens when the inhibition is gone for a bit.
- 33Ex InhibitionPresence of a novel cue blocking the CR
- 34Latent InPre exposure to the CS without the UCS
- 35Conditioned Inhibitiona CS that predicts no US
- 36Inhibition of Delaythe CR is withheld until an appropriate time . So dogs dont salviate for ages they learn to salivate just before food arives
- 37Condition Inhibition factsCS tells you NO US is coming
e.g. Closed , Out of order - 38DisinhibitionRemoval of inhibition . The CR increases in strength
- 39Sensory Preconditioning to get the strongest CRTiming is important - make sure First CS must precede second CS
Do a few CS-CS pairins to prevent learned irrelvant
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- Fichas sobre Classical Conditioning , creado por Pratik Mehta el 10/10/2017.
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- Pratik Mehta
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