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Classical Conditioning. Ivan Pavlov’s Experiment Originally interested in physiology – Studying effect saliva had on digestion Noticed dogs began to salivate.

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Presentation on theme: "Classical Conditioning. Ivan Pavlov’s Experiment Originally interested in physiology – Studying effect saliva had on digestion Noticed dogs began to salivate."— Presentation transcript:

1 Classical Conditioning

2 Ivan Pavlov’s Experiment Originally interested in physiology – Studying effect saliva had on digestion Noticed dogs began to salivate upon seeing experimenter (even without food)

3 Pavlov’s Experiment cont.

4 Stimulus Anything that causes some kind of reaction. Response Any action that comes from a stimulus. Example: Ice cube offered (S)  Dog comes running (R)

5 Unconditioned Response to stimulus is natural and automatic. Initial Stage: Unconditioned Stimulus, Unconditioned Response Example: Ice cube offered (US)  Dog comes running (UR)

6 Neutral Stimulus Stimulus that has no effect to illicit a response Specific conditions are necessary – An association must be formed Sound of Ice Machine (NS)  Ice Cube offered (US)  Dog comes running (UR)

7 Conditioned Stimulus An association is made between the neutral stimulus and the unconditioned response Not a firm tie yet; acts as a hint Sound of Ice Machine (CS)  Ice Cube offered (US)  Dog comes running (UR)

8 Conditioned Response Conditioned stimulus now causes a response on its own Same response, but now in reaction to conditioned stimulus Sound of Ice Machine (CS)  Dog comes running (CR)

9 Classical Conditioning in Action

10 Dog Training

11 Emotional Conditioning John Watson In charge of lab rats – Got them to do amazing things – Realized it was only through conditioning Suggested that deep emotions in humans are just learned experiences

12 Little Albert 11 month old Albert Watson gave him a white rat to play with Made a loud sound to startle Albert and make him cry Albert soon was scared of the white rat

13 Identifying the Pieces Unconditioned Stimulus: – Loud noise Unconditioned Response: – Fear of loud noise Neutral Stimulus: – Rat Conditioned Stimulus: – Rat Conditioned Stimulus: – Fear of rat

14 Extension Stimulus Generalization: response spreads from one specific stimulus to other similar ones – Albert became afraid of white bunnies and other things that resembled the rat. Extinction: association created through conditioning disappears – When my dogs don’t go on walks for a while, they forget to sit before crossing the street Spontaneous Recovery: sudden reappearance of an extinguished response


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