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Lecture 3

PSYC 3410 Lecture Notes - Lecture 3: Classical Conditioning, Posttraumatic Stress Disorder

Course Code
PSYC 3410
Elissa Rodkey

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Classical Conditioning in Depth
Classical Conditioning is Flexible
Higher Order Conditioning
-CS- = conditioned inhibitor: a conditioned response does not occur
-a previously conditioned stimulus is used to condition a new stimulus (it’s like the conditioned
response becomes the US in order to condition the second stimulus- conditioned inhibition
-Second order conditioning
-a learned response to a CS is reversed by pairing this CS with a stimulus that promotes the
opposite reaction
-used as a treatment for PTSD
created emotional responses that are incompatible with the responses to trauma cues
(feelings of warmth, wellbeing, stress relief)
condition the release of the incompatible emotional responses (ex: pressure on a finger
becomes a cue to a good emotional reaction)
visit a cue for trauma that elicits anxiety, and then CS (pressure on finger), which will elicit
the pleasant emotions that are incompatible with anxiety
Preparedness to learn specific association (CS-US
-sickness is associated to taste
-shock is associated with audiovisual stimuli
-if you see that your friends are afraid of something, you would be afraid as well (US)
Pavlovian Conditioning- what is learned from the
-the behaviour in autoshaping shows that the neutral stimulus (CS) makes the animal think
about the US (they anticipate what’s coming next)
-the animal could have learned that the CS is associated with the US, OR reacts to the CS but
does not why (has only learned that to a certain stimulus, it needs to respond a certain way)
-stimulus devaluation
To distinguish between US:US and S-R learning
-US:US devaluation (by devaluating the US, we can see whether it is S-S learning or S-R
if they have learned that the CS is associated to the US, then when the subject does not
want the US, then their CR should be decreased (for example if a rate is not hungry, they
will not react to the CS that predicts food)
Otherwise, it will just be S-R learning, where the animal is simply responding to the stimuli
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