COGPID: Cognitive Processes in Decisionmaking

Completed

• Conditions: paranoia; psychosis; schizophrenia; 10039628

• Registration Number: NL-OMON33720
• Lead Sponsor: niversiteit Maastricht

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Last Update Posted: 6 May 2024

Recruitment & Eligibility

• Status: Completed
• Sex: Not specified
• Target Recruitment: 480

Inclusion Criteria

1) presence of non-affective psychosis with illness onset of less than 10 years ago for group 1. For all participants 2) age between 18-50, 3) sufficient command of the Dutch language, 4) no intellectual impairment (IQ>80), and 5) capable to consent (*wilsbekwaam*) and giving consent to participation.

Exclusion Criteria

1) current use of psychotropic medication (except for patients). For group 1-4 2) current drug or alcohol dependence, 3) brain disease/damage. For participants in groups 2-4 4) having a lifetime history of psychosis. For participants in groups 3 and 4 5) having a family history of psychosis.

Study & Design

• Study Type: Observational non invasive
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>The impact of paranoia (measured on a continuum) on<br /><br>1) trust<br /><br>2) reciprocity<br /><br>3) how these are influenced by contextual information</p><br>

Secondary Outcome Measures

Name	Time	Method
<p>1) need for closure<br /><br>2) sensation seeking<br /><br>3) neurocognitive ability (i.e., memory, verbal ability)</p><br>