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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: Behav Brain Res. 2012 Jun 26;234(1):82–90. doi: 10.1016/j.bbr.2012.06.020

Figure 6. Contact time of orofacial operant test with cold stimulation.

Figure 6

A–D) Cumulative contact time over the test period of 10 min at 24°C (A), 17°C (B), 12°C (C), and 5°C (D). Dark line, sham group (n = 7); gray line, ION-CCI group (n = 6). The experiments were performed with thermal module placed in the drinking window. The temperatures are the surface temperatures of the thermal contact tube. Data represent Mean ± SEM; * p < 0.05; ** p < 0.01.