Table 1.

Selection criteria

Criterion

English language Peer reviewed (e.g. dissertations and poster abstracts not eligible) Published before July 2015 Use of MRI or fMRI Primary focus on sexual intercourse and/or romantic relationships Human participants Included adolescents under 18 years of age Empirical studies with an N ≥ 12 Excluded if primary focus on sexual differentiation of human brain (sexual dimorphism), sexual orientation (e.g. comparison of heterosexual and homosexual participants on brain response), physical/sexual abuse and/or gender dysphoria (e.g. androgen and/or sexual dimorphism) in absence of sexual/romantic interest