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. Author manuscript; available in PMC: 2010 Oct 1.
Published in final edited form as: Behav Neurosci. 2009 Oct;123(5):937. doi: 10.1037/a0017128

Figure 8.

Figure 8

Double plotted running wheel actogram of typical animal training on a simplified low-cognitive demand operant task (SRTT – see methods for details). During the first 8 days of the actogram, the animal is receiving 1 h of daily water access from ZT4-ZT5. Operant conditioning begins on the 9th day of the actogram as indicated by the open arrow on the left hand side. The shaded region denotes the 12 hour dark phase of the experiment where the open box indicates the time of daily training. Training on the SRTT continued for 21 days with no overall shift in diurnality ratio.