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2 and as no learning has yet taken place v 0 60 50 40

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Unformatted text preview: (λ - V) 15 Rescorla–Wagner model Conditioning with a single CS ΔV = α(λ-V) An application to conditioning with a single CS Associative Strength (V) Before conditioning (Trial 0) assume λ = 100, α = 0.2, and, as no learning has yet taken place, V = 0 60 50 40 30 20 10 0 Trial 0 Trial 1 Trial 2 Trial 3 Trial 4 Trial 16 Rescorla–Wagner model Conditioning with a single CS ΔV = α(λ-V) An application to conditioning with a single CS On Trial 1 therefore the change in associative strength will be: ΔV = 0.2(100-0) = 20 Associative Strength (V) 60 50 40 30 20 10 0 Trial 0 Trial 1 Trial 2 Trial 3 Trial 4 Trial 17 Rescorla–Wagner model Conditioning with a single CS ΔV = α(λ-V) An application to conditioning with a single CS On Trial 2, the change in associative strength will be less, for now V= 20 Associative Strength (V) ΔV = 0.2(100-20) = 16 60 50 40 30 20 10 0 Trial 0 Trial 1 Trial 2 Trial 3 Trial 4 Trial 18 Rescorla–Wagner model Conditioning with a single CS ΔV = α(λ-V) An application to conditioning with a single CS On Trial 3, the change in associative strength will be even less, for now V = 36 ΔV = 0.2(100-36) = 12.8 Associative Strength (V) 60 50 40 30 20 10 0 Trial 0 Trial 1 Trial 2 Trial 3 Trial 4 Tri...
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