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Fig. 1. Visceral hypersensitivity is induced in rats with learned helplessness (LH). The mean threshold value of colorectal distension in each rat (CON: 5 control rats subjected to neither foot shock nor the avoidance/escape task procedure; LH: 5 rats diagnosed with LH; NLH: 10 rats diagnosed as not having LH) was measured after the behavioral test. The mean threshold value was 29.07±1.07 mm Hg in the control group, 21.42±1.57 mm Hg in the LH group, and 28.43±1.49 mm Hg in the NLH group. *p<0.05 vs control rats. p-values obtained via one-way analysis of variance with Tukey post hoc test.
Gut and Liver 2019;13:325~332 https://doi.org/10.5009/gnl18296
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