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26 Cards in this Set

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Classical Conditioning
~simpliest Mechanism
~Organisms learn about relationships bet stimuli
~alter their behaviour accordingly
Eairly Years
Pavlov
~HIs research in digestive Enzymes
~Saliva at sight of food
~Saliva at sight of person
~"Psychic secrestions" - expectaion of food
Classical Conditioning Paradigm
--> Pavlovs two stimuli
1. A tone/light thats doesn't elicit salivation at the onset of the experiment

2. Food or the taste of a sour soln placed in the mouth
Classical Conditioning Paradigm

Conditioned Stimulis (CS)
~not elicit initial response
~Elicits a response upon training
~ex. tone/light
Classical Conditioning Paradigm

Unconditioned Stimulus (UCS)
~Elicits a response w/out training
~Food/Sour soln
~airpuff
Classical Conditioning Paradigm

Conditional response (CR)
~response to stimulis as a result of training
ex. sound-->airpuff-->blink
eventually.......
sound-->Blink
Classical Conditioning Paradigm

Unconditional Response (UCR)
Response to stimulis w/out prior training
(reflex) natural
~ex. Airpuff (UCS)--> blink (UCR)
Conditional
depend on
Fear Conditioning
~can be classiclly Conditioned
~ex. Little Albert
Little Albert
~conditioned a fear response in a 9 month old
~present white lab rat/ banged steel bar
Results Little Albert Conditioning
~After 2 trials: reluctant to touch rat
~After 5 more trials: strong fear response to rat
~then conditioned fear generalized to other furry things
In little Albert

UCS
Banging of pipe
In little Albert

UCR
Fear/ alarm response to sound
In little Albert

CS
white lab rat
In little Albert

CR
fear/alarm response to rat
Fear Conditioning
rats/shock
Basic procedure
~Present tone/light (CS)
~immediantly shock (UCS)
Fear Conditioning
Measured fear
~freeze when shocked
~how much it disrupts rats ongoing activity
anthropomorphizing
~putting human characteristics onto an animal (scared)
~can't do this
Infer rats emotional state from
BEHAVIOR
Conditioned Emotional Response (CER)
~Conditioned Supression
~Technique for indirect measurment of conditioned fear
~Freezing (becoming inactive. stopping from pressing lever)
~specific to CS (tone)
Supression Ratio
~Quantitatively measures conditioned suppression
~greater levels of conditioned fear lower ratio values
Eyeblink conditioning
~Rabbits9Almost never blink)
~eyeblink is a reflex
Airpuff(UCS)-->eyeblink(UCR)
~if tone precedes airpuff
tone-->airpuff-->eyeblink
~learn to blink to tone
Tone(CS)--> eyeblink(CR)
(eyeblink from UCR to CR when puff removed)
2 important eyeblink conditioning points
1. CC requires pairing CS and UCS
2. Initial learning may NOT be drectly observable
Taste Aversion Learning
1.Learned from SINGLE trial
2.Long-delayed learning
~ need to be a delay
3.Novel and distinct
Sign Tracking
~autoshaping
~movement toward (possible contact with)a stimulus that signals the availability of food
Ex. Sign tracking
Pigeons peck at respinse key
when illumination of response key (CS)
reliably preceded delivery(UCS)