Sex-differences in functional enrichment following cohabitation with an opposite-sex partner in prairie voles. Enrichment map depicting the clusters of differentially modulated pathways between male and female prairie voles at baseline (SN) and following 24 hrs (24H) or 3 weeks (3W) of cohabitation, identified by gene-set enrichment analyses. The area of each node, representing a gene-set (functional pathway), corresponds to the number of genes of the gene-set it contains, and its color depicts the direction of enrichment (red: female-biased, blue: male-biased) with the color intensity representing the enrichment score, either in the SN, (top right sector), 24H (bottom sector), or 3W (top left sector) datasets. As a result, a gene-set with different colors between its three sectors display a change in sex-bias following cohabitation with an opposite-sex partner, whereas a gene-set with three similarly-colored sectors show the same sex-bias regardless of the cohabitation status. Edge thickness is proportional to the number of genes overlapping between the two connected nodes.