Figure 4 of Baba, Mol Vis 2010; 16:2605-2611.

Figure 4. Circadian rhythm of locomotor activity in SCN lesioned mice. A: Representative actogram of a mouse that received SCN lesion. B: A mouse that received a sham lesion. C: The periodogram analysis (χ2) indicated that the locomotor activity is no longer rhythmic after the SCN has been lesioned. D: It is still rhythmic in the sham-lesioned mice.