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Psychology in Life

Team presentation_Learning and Conditioning
by

Buil Nong

on 10 November 2012

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Transcript of Psychology in Life

Learning & Conditioning Group of 12
Buil Hong
Joo Yeon Oh
Je Hyun Park
Ah Jeong Son ...of Reinforcers Properties Learning
&
Classical
Condition conditioned: primary: money etc grades food etc water (cc) photo by theaucitron on Flickr biologically determined reinforcers formerly neutral stimulus that has become a reinforcer & Schedules Learning * Learning psychology has developed
through Behavior analysis(Watson,Skinner)

Definition : a process based on experience

that results in a relatively consistent

change in behavior or behavior potential Learning A process based on experience a relatively consistent change
(over different occasion)
* not always permanent a change in behavior or behavior potential More in detail * learning is apparent
from improvement in performance
* learning-performance distinction

not show everything you’ve learned
(not through measurable action)
you got a potential for behavior change
(learned attitude or value) * experience :
taking in information
(evaluating and transforming)
making responses that affect environment the most basic forms
of learning -habituation :
your response will be weaker
exposed repeatedly (not permanent)

-sensitization :
your response will be stronger
exposed repeatedly (when irritating) Classical conditioning
: learning predictable signals Classical(Pavlov's) Conditioning
- predictable signal Process of
conditioning
&
Applications -a pattern of delivering and withholding reinforcement

-either
ratio schedule (Number)
/or
interval schedule (Time)

-in each case either
fixed reinforcement effect
or
variable partial reinforcement effect Fixed-ratio schedules: variable-ratio schedules: fixed -interval schedules: variable-interval schedules: Applications of classical conditioning extinction spontaneous
recovery saving reappear of the CR in a weak form when CS
is presented alone again when the CS no longer predicts the UCS, the CR
no longer appears in the presence of CS 3 step extinction has only weakened the performance, not wiped out the original learning stimulus generalization Stimulus discrimination (cc) photo by medhead on Flickr must strike a balance process by which an organism learns to respond differently to stimuli that are distinct from the CS on some dimensions (UCS) once a CR has been conditioned to a particular CS, similar stimuli also elicit the response
(UCS-CS; similar > UCR-CR; similar) contingent informative CS UCS Powerful classical conditioning Focus on acquisition Acquisition and Extinction how classically conditioned responses appear and disappear Process of conditioning Focus on extinction * Punishment always reduces the probability of a response occurring again
* Reinforcement always increases the probability of a response recurring Punisher Difference Between
Punishment and Reinforcement Reinforcers with systematic CS-UCS pairings, the CR is elicited with increasing frequency
(in general CS and UCS must be paired several times before CS elicits CR reliably) 1st step Finished 2nd step Last step Start larger doses are needed the drug(UCS) brings about
certain physiological responses the individual must consume
an amount of drug that
overcomes the compensatory
response to get 'positive' effect. over time this UCR
(body's countermeasures to the drug)
becomes the CR get drug addicted ● Learning to be a drug addict - Emotions and Preferences
: Ads, Signal - everyday life

- Learning to be a drug addict :knowledge of CC can help understand significant everyday behavior Application of Classical Condition The Law of Effect Experimental Analysis of Behavior Operant: Operant Conditioning: B. F. Skinner Edward L. Thorndike The Law of Effect Reinforcer: Positive Reinforcer Negative Reinforcer Escape Conditioning Avoidance Conditioning Punisher Positive Punishment Negative Punishment Operant
Conditioning Thank you :) We love you
Prof. HAN ♥ UCS
"3" UCR
"hands up" CS
"Bell" 2. Association 1. naturally trigger
:reflex(not experiment) 3. now can trigger
(get the power)
* whatever=CR Response that is followed by satisfying consequences becomes more probable
Response that is followed by dissatisfying consequences becomes less probable Behavior affecting the environment Manipulating the consequences of an organism's behavior to see what effect they had on subsequent behavior any stimulus that increases the probability of that behavior the event when a behavior is followed by the delivery of an appetitive stimulus the event when a behavior is followed by the removal of an aversive stimulus any stimulus that decreases the probability of that response the event when a behavior is followed by the delivery of an aversive stimulus the event when a behavior is followed by the removal of an appetitive stimulus Broke up with lover
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