Studying thinking and social understanding in bipolar and major depressive disorder
Examines social thinking, memory and executive functions in adults with bipolar or depressive disorder.
Plain-language title generated from the registry record
Registry title: Social Cognition, Memory, and Executive Functions in Bipolar Disorder and Major Depressive Disorder
Key facts
- Where
- Reims, FranceSee the site
AI summary: who the study is looking for
From the trial's eligibility criteria. Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.
The trial is looking for adults with bipolar disorder or depression, relatives of people with bipolar disorder, and healthy volunteers, to study social thinking, memory and planning skills.
- Age
- 18 to 65 years old
- Sex
- Men and women can join
- Disease stage
- A diagnosis of bipolar disorder or depressive disorder (for the patient groups).
- Earlier treatment
- No substantial change in treatment in the 2 weeks before joining (patient groups).
Main reasons for not taking part
- Alcohol or other substance use disorder in the last six months (tobacco dependence is allowed)
- A significant general medical illness, including neurological disorders or head trauma
- Uncorrected vision or hearing problems
- Not a native French speaker
Read by machine on 12 November 2026.
Could this be for you?
Answer for yourself. This is not a decision: only the study team can say whether you can take part.
- Are you between 18 and 65 years old?
Source: NCT06740331, who can take part
Where in France
- CHU ReimsReims, FranceContact: Damien JOLLYTaking people
Questions to ask the study team
- How often do I need to come in, and for how long each time?
- Are travel costs paid?
- Can I keep my own doctor?
- What happens if I want to stop?
Contact the study team: see the registry record → Contacts and Locations
Print a page for my doctorTrial details
- Who runs it
- CHU de Reims
- Trial code
- NCT06740331
- Record updated
- 13 March 2026
- Original description
Bipolar disorder (BD) are common psychiatric disorders often misdiagnosed, leading to delayed treatment. Even during stable phases, individuals with bipolar disorder experience residual cognitive impairments that affect their social functioning and quality of life.Read full original descriptionShow less
Social Cognition, Memory, and Executive Functions in Bipolar Disorder and Major Depressive Disorder
Bipolar disorder (BD) are common psychiatric disorders often misdiagnosed, leading to delayed treatment. Even during stable phases, individuals with bipolar disorder experience residual cognitive impairments that affect their social functioning and quality of life.
This study aims to explore social cognition deficits (e.g., emotional processing, theory of mind, attribution bias) and their relationship with executive functions (e.g., flexibility, inhibition, working memory) and memory in bipolar disorder and major depressive disorder, ultimately seeking to improve understanding of their functional outcomes.
Social cognition and executive functions in BD are both state- and trait-related. One recent meta-analysis demonstrated impairment in social cognitive domains for manic, depressive, and euthymic bipolar disorders' patients but it remains unclear whether these social cognitive deficits in BD are due to executive functions and/or other confounding effects.
Few studies have investigated the interdependency between these cognitive impairments in these two affective disorders while a better understanding of the link between executive functions and social cognition seems crucial in order to better characterize the nature of patients' deficits and thus their caring.
Inclusion: Patients between 18 and 65 years old, men or women; Having a diagnosis of bipolar disorder or depressive disorder; No substantial change in treatment for 2 weeks preceding study enrollment; Being a native French speaker; Patients enrolled in the national healthcare insurance program; Consenting to participate to the study; Participants between 18 and 65 years old, men or women; Participants having at least one first-degree relative presenting an bipolar disorder (parents, children, siblings); Being a native French speaker; Patients enrolled in the national healthcare insurance program; Consenting to participate to the study; Participants between 18 and 65 years old, men or women; Being a native French speaker; Patients enrolled in the national healthcare insurance program; Consenting to participate to the study.
Exclusion: The presence of any alcohol use disorder or any other substance use disorder in the last six months, except for tobacco dependence; A significant general medical illness, including neurological disorders or head trauma; A sensorial impairment uncorrected (visual and/or hearing); Group 3: First-degree relatives of bipolar patients; A diagnosis of schizophrenia or of bipolar disorder or of depressive disorder according to DSM-5 criteria; The presence of any alcohol use disorder or any other substance use disorder in the last six months, except for tobacco dependence; A significant general medical illness, including neurological disorders or head trauma; A sensorial impairment uncorrected (visual and/or hearing); Group 4, 5, 6: Healthy control participants; A diagnosis of schizophrenia or of bipolar disorder or of major depressive disorder according to DSM-5 criteria; The presence of any alcohol use disorder or any other substance use disorder in the last six months, except for tobacco dependence; Participants having one first-degree relative presenting an bipolar disorder or depressive disorder or schizophrenia according to DSM-5 criteria; A significant general medical illness, including neurological disorders or head trauma; A sensorial impairment uncorrected (visual and/or hearing).