UCP1 and Anxiety: The previously noted genotype-dependent behavioral performance in innate and learned fear (i.e., EPM and contextual fear) was preserved also in iBATx groups, indicating that BAT surgical removal did not affect anxiety-like behavior in either UCP-1 KO or WT mice (Fig. 5A: F(1,21) = 5.021, p = 0.0360; Fig. 5B: F(1,21) = 9.154, p = 0.0064).