Changes in neural processing and evaluation of negative facial expressions after administration of an open-label placebo

Changes in neural processing and evaluation of negative facial expressions after administration of an open-label placebo - OLP and affective processing

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00028129

Enrollment

109

Registered

2022-02-18

Start date

2021-05-25

Completion date

Unknown

Last updated

2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

healthy participants

Interventions

Group 1: picture viewing with open-label placebo Group 2: picture viewing without OLP

Eligibility

Sex/Gender

Female

Age

18 Years to 40 Years

Inclusion criteria

Inclusion criteria: adult, female

Exclusion criteria

Exclusion criteria: self-reported mental disorders/ somatic ilness; psychotropic medication

Design outcomes

Primary

Measure	Time frame
Comparison of the two groups with regard to emotional experience (self-report) and evoked potentials (amplitude of the late positive potential oil (400 ms - 6000 ms)	—

Secondary

Measure	Time frame
Comparison of memory performance between the two groups (number of recognized faces).	—

Countries

Austria

Contacts

Public ContactAnne Schienle

Universität Graz

anne.schienle@uni-graz.at+43 380 5086

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026