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Lecture 7

PSY3103 Lecture 7: Learning and Conditioning
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8 Pages
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Department
Psychology
Course Code
PSY3103
Professor
Catherine Plowright

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1.What it is and how to obtain it.
2.Characteristics of behaviour during extinction (p. 310-12)
3.Is the association lost? No.
(a) Spontaneous recovery (p. 318)
(b) Renewal
4.What is learned?
S-R inhibitory associationsGETTING RID OF
BEHAVIOURS:EXTINCTION (IN CHAP. 8)
5.What is extinction and how to obtain it.
A conditioned response is weakened or eliminated when the
conditioned stimulus (CS) is repeatedly presented in the absence of
the US (p. 134 / p. 136)
Easy, in principle
(Fears very hard to extinguishwhy?)
Classical (i.e. Pavlovian) conditioning:
CS no US
•Operant condition’g (not covered yet)
Behaviour no consequence
E.g. Extinction of bedtime crying (p. 306 / p.321)
Extinction
Other ways to obtain decrease in responding?
.Is that all there is to it? Not quite. There are side-effects.
Characteristics of behaviour during extinction
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Frustration and anger (e.g. road rage, vending machines don’t
work)
Extinction burst: temporary increase (e.g. pressing elevator
button fast and furiously).
Increase in variabilitytrying different behaviours.
Depressive symptoms
Resurgence of behaviours that were effective in the past (e.g.
children regressing to behaviour of younger years)
Implications for treatment of addiction:
Extinction of a food-reinforced behaviour leads to a resurgence of
drug-seeking behaviour (alcohol and cocaine).
(Pyszczynski & Shahan, 2013)
A replacement behaviour for drug-use needs to be maintained to
prevent a relapse.
What happens to learned associations? They’re still there.
Characteristics of behaviour during extinction
(a) Spontaneous recovery
reappearance of a Conditioned Response (CR) that had been
extinguished
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find more resources at oneclass.com
Recovery of responding:
3(b) Renewal through a a change in the context that was present
during extinction.
1. Learning 2. Extinction 3. Test
CSUS (CS alone)
toneshock
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find more resources at oneclass.com

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Description
1.What it is and how to obtain it. 2.Characteristics of behaviour during extinction (p. 31012) 3.Is the association lost? No. (a) Spontaneous recovery (p. 318) (b) Renewal 4.What is learned? SR inhibitory associationsGETTING RID OF BEHAVIOURS:EXTINCTION (IN CHAP. 8) 5.What is extinction and how to obtain it. A conditioned response is weakened or eliminated when the conditioned stimulus (CS) is repeatedly presented in the absence of the US (p. 134 p. 136) Easy, in principle (Fears very hard to extinguishwhy?) Classical (i.e. Pavlovian) conditioning: CS no US Operant conditiong (not covered yet) Behaviour no consequence E.g. Extinction of bedtime crying (p. 306 p.321) Extinction Other ways to obtain decrease in responding? .Is that all there is to it? Not quite. There are sideeffects. Characteristics of behaviour during extinction
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