Pupil dilation provides a physiological readout of information gain during the brain's internal process of belief updating in the context of associative learning.

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Background Annually, 4% of the global population undergoes non-cardiac surgery, with 30% of those patients having at least ...

This important study combines optogenetic manipulations and wide-field imaging to show that the retrosplenial cortex controls behavioral responses to whisker deflection in a context-dependent manner.