Gezonde proefpersonen Healthy Volunteers
Conditions
Interventions
Supplementation of 0.8 grams tryptophan or placebo.
Sponsors
Erasmus Universiteit Rotterdam
Eligibility
Age
18 Years to 99 Years
Inclusion criteria
Inclusion criteria: 1. Age between 18 and 65 2. Sufficient understanding of Dutch
Exclusion criteria
Exclusion criteria: 1. Cardiac, hepatic, renal, neurological or psychiatric disorders 2. Personal or family history of depression 3. Migraine 4. Drug use and medication use
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Number of accepted unfair offers in the Ultimatum Game | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Response bias in terms of the percentage positive expectations the social evaluation task. 2. Remedial action in terms of adjustment of estimation time in the time estimation paradigm. 3. Brain responses to offers in the Ultimatum Game, social evaluations in the social evaluation task and performance feedback in the time estimation paradigm. | — |
Countries
Netherlands
Outcome results
None listed