PSC 1 Lecture Notes - Lecture 7: Jean Simmons, Informed Consent, Little Albert Experiment

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8 Jun 2018
Lecture 7: Learning
Learning: lasting change in behaviour because of experience. (behaviourist explanation)
o Behaviour requires memory, but behaviourists not interested.
Classical conditioning
Animals learn to respond to arbitrary stimuli
Because of pairing
o Adding old stimulus that animal responds to with a new one.
Ivan Pavlov, founder of behaviourism
Pavlov and his dog
Tuning fork becomes the condition stimulus which produces a conditioned response.
Unconditioned stimulus (UCS) - fixed. "reflex" like food and water
Conditioned stimulus (CS)- anything
CC Works the same for all animals including humans.
Conditioned stimulus- tuning fork (after training), conditioned response - salivating.
"Amplitude" = Strength
Latency- how long we have to wait for the response
Shorter latency indicates better training
Degree- how robustly the animal responds, how much behaviour do we get?
A lot of saliva production would indicate higher degree.
Probability- training with bell and food, after training animal only responds 10
Higher the probability better the training.
o more learning --> increased amplitude
Extinction: behaviour goes away.
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