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. Author manuscript; available in PMC: 2014 Jan 15.
Published in final edited form as: Behav Brain Res. 2012 Sep 27;237:256–262. doi: 10.1016/j.bbr.2012.09.041

Figure 3.

Figure 3

(Top) Average number of head entries ± SEM for the experimental groups. Average week 2 head entries from the control groups are shown as reference lines. (Bottom) Average number of head entries ± SEM for the control groups.