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Lecture 6

PSYC 1010 Lecture Notes - Lecture 6: Classical Conditioning, Contiguity, Exposure Therapy


Department
Psychology
Course Code
PSYC 1010
Professor
Rebecca Jubis
Lecture
6

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PSYC 1010
October 19, 2018
Classical Conditioning
Involuntary, unconditioned response
What triggered that response
A conditioned stimulus can elicit a conditioned response
Phobias can be conditioned
Acquired through classical conditioning
Due to a preparedness that we have; develop a fear as an adaptive thing from
an evolutionary sense)
Good thing in an evolutionary sense; lets you avoid things that may be
detrimental to your survival
Watson attempted to create a phobia in a child
The case of little Albert; developed a fear of mice
Watson never tried to decondition him; died at the age of 6, unable to
determine whether he developed a fear of mice or not
Phobias can be unlearned
Higher-order Conditioning
When a well-established CS-1 starts acting as though it were an US and is able to
bring the conditioned response under the control of a CS2.
Taking classical conditioning and bringing it one step further
Food and salivation example
Light is pared with the bell sound, and now the light elicits salivation
When you get to the Fourth pairing, the association with salivation is gone
Stimulus Generalization
When a stimulus that’s similar to the original CS elicits a CR
If the dog still salivates to a doorbell, the doorbell is somewhat similar in sound, then
this is an example of stimulus generalization
Find that a telephone ringing elicits salivation, then stimulus generalization occured
Albert developed a fear of white mice, but stimulus generalization occurred, and he
developed a fear of all white objects (Santa’s beard)
Developing a fear of any type of height
Stimulus Discrimination
When only the original CS elicits a CR
Discriminate - being able to tell the difference between two things
Afraid of heights but not afraid of flying
Extinction
Association of the food with the bell stimulus
Presenting the bell stimulus without the food until the association is broken
Where the US (food) is no longer presented with the CS (bell) and the conditioned
response gradually weakens and disappears
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