Adaptive behaviour and feedback processing integrate experience and instruction in reinforcement learning.

Lastly, the propensity to switch to an alternative mapping following negative feedback was higher under reliability (20%, SEM =2%) than unreliability conditions (14%, SEM =3%), although the difference was only marginally significant ( t (14)=2, p <0.1). 3.2.1.2 Experiment 2 – effect of reliability instructions on initial acquisition Comparing performance in blocks with objectively identical feedback reliability but differing instructions, we found no reliable difference in accuracy between reliability-instruction blocks (86%, SEM =1%) than unreliability-instructed blocks (80%, SEM =4%; t (14)=1.28, p =0.22).

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