title: Having a male co-twin masculinizes mental rotation performance in females.
authors.affiliation: Department of Public Health, University of Helsinki, Finland. eero.vuoksimaa@helsinki.fi
authors.forename: Eero
authors.initials: E
authors.lastname: Vuoksimaa
authors.forename: Jaakko
authors.initials: J
authors.lastname: Kaprio
authors.forename: William S
authors.initials: WS
authors.lastname: Kremen
authors.forename: Laura
authors.initials: L
authors.lastname: Hokkanen
authors.forename: Richard J
authors.initials: RJ
authors.lastname: Viken
authors.forename: Annamari
authors.initials: A
authors.lastname: Tuulio-Henriksson
authors.forename: Richard J
authors.initials: RJ
authors.lastname: Rose
mesh_terms: D003071:Cognition; D005260:Female; D006801:Humans; D008297:Male; D057228:Masculinity; D009483:Neuropsychological Tests; D012399:Rotation; D012727:Sex Characteristics; D012737:Sex Factors; D013028:Space Perception; D014429:Twins, Dizygotic / Q000523:psychology*