Figure 1. a) Experimental Procedure and (b) Randomized Cross-Over Design.
Participants performed two identically structured sessions approximately 14 days apart. They received either OT in the 1st session and PL in the 2nd session or vice versa in a double-blind manner before being presented blocks of bonding, neutral and sexual pictures.
Abbreviations: OT, Oxytocin, PL, Placebo