Figure 2.

Surgical methods. a, Cranial window surgeries were performed on a modified tilting stereotaxic device to allow for easier access to the lateral cerebellar hemispheres. b, Diagram of the cranial window position overlying lobules Crus I and II. c, Custom headplate used to secure the animal to the imaging apparatus. The headplate is shown overlayed on a drawing of the adult rat skull. Four skull screws and dental cement were used to attach the headplate to the skull. The two holes at the edges of the headplate were used to secure the animal to the imaging stage. Scale bar, 1 cm. d, The surface of the cerebellum viewed through the cranial window. This image is oriented in the same manner as in b.