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The neural bases of negative symptoms in schizophrenia

A two-phased study to determine the neural bases of negative symptoms in schizophrenia

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
CRIS
Registry ID
KCT0002337
Enrollment
160
Registered
2017-05-24
Start date
2015-05-12
Completion date
Unknown
Last updated
2019-03-11

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

Conditions

None listed

Interventions

None listed

Sponsors

Yonsei University Health System, Severance Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. diagnosed with schizophrenia 2. understanding a detailed explanation of the study 3. without in an acute phase of psychosis (as determined by the Positive and Negative Syndrome Scale score below 80 points) 4. predominantly right-handed (as determined by the Edinburgh handedness inventory)

Exclusion criteria

Exclusion criteria: 1. the presence of a neurological, psychiatric or significant medical illness, and a history of current or past substance abuse or dependence 2. in case of schizophrenia, other mental diseases 3. in case of healthy controls, a history of current or past psychiatric disorder

Design outcomes

Primary

MeasureTime frame
comparison of brain activity between schizophrenia and healthy control

Secondary

MeasureTime frame
association of percent signal changes with clinical variables

Countries

Korea, Republic of

Contacts

Public ContactJoonHyung Kim

Yonsei University Health System, Severance Hospital

cabilover@yuhs.ac+82-2-2019-3340

Outcome results

None listed

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