RW Examples Protection from Extinction Other Issues
Rescorla-Wagner Examples
W. Jeffrey Wilson
October 4, 2010
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Rescorla-Wagner Examples, Slides of Cognitive Neuroscience
The Rescorla-Wagner model of Classical Conditioning suggests that learning occurs as a result of surprise. If a stimulus is followed.
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Rescorla-Wagner Examples
W. Jeffrey Wilson
October 4, 2010
[PDF & LATEX in use – a Microsoft- & PowerPoint-free presentation]
RW Examples
Protection from Extinction
Other Issues
Rescorla-Wagner Formula
∆V = αβ(λ − ΣV )
• V = Predictive Value
• α = Salience of CS
• β = Rate parameter of US
• λ = Maximum assoc. strength supported by US (related
to US magnitude)
• (λ - Σ V) = Surprise
Acquisition
Conditioned Inhibition
Blocking
Unblocking (2)
Extinction
Rescorla-Wagner and PFE
Soltysik et al.’s PFE
Soltysik, Wolfe, Nicholas, Wilson, & Garcia-Sanchez, 1983
Rescorla’s PFE
Autoshaped CRs in pigeons and rats
PFE in My Lab
Nosepoke CRs after Extinction or Protection
West & Wilson, unpublished