Not applicable.
Conditions
Interventions
Group 1: Experimental group: one-time intranasal administration of 24 IU oxytocin (syntocinon-nasal spray).
Group 2: Control group: one-time intranasal administration of 24 IU placebo (sodium chloride
Sponsors
Albert-Ludwigs-Universität Freiburg
Eligibility
Sex/Gender
All
Age
18 Years to 35 Years
Inclusion criteria
Inclusion criteria: Heterosexual, healthy couples, aged 18-35 years, no oral contraception; female participants have to be on their luteal phase while taking part in the experiment.
Exclusion criteria
Exclusion criteria: Parentship; pregnancy or willingness to become pragnant; oral contraception; intake of drugs with effects on the cardiovascular system; physical disabilities which might impair reaction time measures; study of psychology; psychotherapeutical treatment; psychic symptomatology (>10 points in the Brief Symptom Inventory); excessive alcohol intake; nicotine addiction; regular intake of drugs like cannabis.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Trust between couple partners and the implicit confidence in correctly estimating the partner's attitudes, measured by means of an interactive behavioral paradigm; implicit partner valence in contrast to an attractive person, measured by means of an implicit association test; heart rate and heart rate variability during different phases of the experiment. | — |
Secondary
| Measure | Time frame |
|---|---|
| Psychometric self-reports on partnership quality and personality variables. | — |
Countries
Germany
Contacts
Public ContactBastian Schiller
Albert-Ludwigs-Universität Freiburg, Institut für Psychologie, Biologische und Differentielle Psychologie
Outcome results
None listed