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The Rescorla-Wagner model is one of the most commonly discussed mathematical models of classical conditioning. It was wildly popular when it came out in 1972, and very successful. The same math, is used in the delta-rule which is a special case of back-propagation with a single layer. In neural network research, the back-propagation algorithm has been refined and replaced over the years. However, for basic classical conditioning, I am not aware of any significant advances over the RW-model. It is still often cited as the model for classical conditioning in textbooks.

However, it is well know that there are numerous conditioning experiments the RW-model cannot explain, for a detailed references, see pages 370 to 378 of Miller et al. (1995). Hence the question:

Is there a modern refinement of the Rescorla-Wagner model that addressed all 23 failures listed in Miller et al. (1995)? How does this refinement relate to refinements of back-propagation?


References

Miller, R.R., Barnet, R.C., & Grahame, N.J. (1995) "Assessment of the Rescorla-Wagner model." Psychological bulletin 117(3): 363-386 [pdf]

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