F33
Conditions
Interventions
Group 1: Patients with major depression:
In the task used in this study, participants are asked to choose between two abstract symbols appearing on the screen in any given trial. Their choice is follo
Sponsors
Heinrich-Heine-Universität Düsseldorf
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: for patients: diagnosis F33.0
Exclusion criteria
Exclusion criteria: neurological or psychiatric disease (apart from F33.0 and related comorbidities in the patients)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the primary measure of the study is the "feedback-related negativity" (FRN), an event-related potentials component assessed by means of electroencephalography. It is scored as the maximum EEG amplitude difference between negative and positive feedback processing at frontocentral elecrodes on the scalp. We hypothesize that the FRN is lower in the patients relative to controld, but only for immedaite, not for delayed feedback. | — |
Secondary
| Measure | Time frame |
|---|---|
| The second dependent variable is the P300, another EEG-component, separately assessed for negative and positive immediate and delayed feedback at frontal and parietal electrode sites. | — |
Countries
Germany
Contacts
Public ContactChristian Bellebaum
Heinrich-Heine-Universität Düsseldorf
Outcome results
None listed