healthy participants
Conditions
Interventions
Group 1: Open-label placebo to reduce preference for/appetite for sugar. A placebo capsule (vegan white capsule filled with cornstarch
capsule size 00) will be taken once directly at the beginning of the session.
After capsule ingestion, participants view food images in 60 trials (a 6s), with nonspecific appetite assessed every 20 tr
Sponsors
Universität Graz
Eligibility
Sex/Gender
Female
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: Normal or corrected-to-normal vision at 1m distance
Exclusion criteria
Exclusion criteria: Medication that may affect eating beavior/appetite.
Design outcomes
Secondary
| Measure | Time frame |
|---|---|
| Exploratory analysis of associations between efficacy expectations of participants and actual reductions in appetite for/attention to high-calorie (high-sugar) foods(illustrations). The German language version of the Eating Disorder Examination Questionnaire is used for the sample description. | — |
Primary
| Measure | Time frame |
|---|---|
| Immediately after ingestion of the placebo (omitted in the control condition), eye movements are recorded while looking at food images, and appetite is recorded every 20 trials (6-point Likert scale). Subsequently, the specific appetite for a subset of the presented foods is elicited. Finally, a (sweet) taste sample is rated (Intensität und Präferenz). | — |
Countries
Austria
Contacts
Public ContactJonas Potthoff
Universität Graz
Outcome results
None listed