Oxytocin selectively facilitates recognition of positive sex and relationship words
Psychological Science (2008) - Comment
pubmed: 19076479  doi: 10.1111/j.1467-9280.2008.02206.x  issn: 1467-9280  issn: 0956-7976 

Christian Unkelbach, Adam J. Guastella, Joseph P. Forgas