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. Author manuscript; available in PMC: 2009 Mar 5.
Published in final edited form as: Behav Brain Res. 2007 Sep 21;187(2):478–482. doi: 10.1016/j.bbr.2007.09.021

Fig. 2. Effect of housing and temperature on operant behavior in rats.

Fig. 2

Rats in enriched (closed circles) and standard (open circles) housing were tested at a range of cold to hot temperatures. There was a significant main effect of housing on all outcomes. Three of the six outcome measures are shown: licks (A), stimulus contacts (B), and the success ratio (licks/stimulus contact, C). Error bars represent SEM. *P<0.05, unpaired t-test comparing enriched and standard groups at each temperature.