Figure 5.

Data from software module 1. A: screenshot showing the actual view of software module 1. Green pixels highlight zones that changed since the last frame. Movements highlighted here were only observed around the head and the tail. Left: the rat is active; right: the rat is sleeping. B: Examples of actograms. Top: one day actogram for rat #1 (LD 12:12 with lights on at 6:00). Below: seven days actogram for rat #3 (left) and #6 (right). C: mean number of pixels changed each day for one rat (left: in dark conditions ; right: in light conditions).