MIT boffins create device that 'paints' iridescent structural color in real time

Naming their tech MorphoChrome, the team from MIT's Computer Science and Artificial Intelligence Laboratory (CSAIL) has ...
eLife

Pupil dilation offers a time-window on prediction error

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