By tracking the natural actions of freely moving rats, Välikangas et al. show that prefrontal cortex encodes abstract behavioral states rather than low-level physical aspects of movement. Prefrontal a...

BlueBerry is a multi-channel wireless optogenetic system for freely moving mice and rats.

A study in rats proposes a mechanism for how the brain maps the surrounding environment, including places it has never seen, by alternating left and right forward sweeps in successive theta cycles.