OXT and Anxiety: Rats treated with oxytocin that then went on to display more “low-anxiety” behaviors in the EPM test also had relatively higher levels of Mogibacterium relative abundance (Spearman’s ρ for EPM Test parameters: ‘% of Open Time,’ r = 0.92, p = 0.001; ‘% of Open Entries,’ r = 0.92, p = 0.0008; ‘Number of Total Entries,’ r = 0.84, p = 0.006; ‘Closed Arm-Entries,’ r = 0.7, p = 0.06; Figure 5C).