eLife Assessment
In this study, the authors investigated how inference about the current task context, by weighting evidence based on surprise and uncertainty in the environment, is encoded in the cortex. Using MEG imaging and an impressive amount of analytic work based on normative decision modeling, they provided solid evidence for the involvement of the visual and parietal cortex. These results are a valuable complement to and extension of a previous study using fMRI measurements, by identifying the candidate regions that are of importance for the inference process, not just for encoding the end product.