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Neural Mechanisms of the Effects of Smoking on Reward Processing in Schizophrenic Patients Based on EEG/ERP and MRI

Neural Mechanisms of the Effects of Smoking on Reward Processing in Schizophrenic Patients Based on EEG/ERP and MRI

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500115515
Enrollment
Unknown
Registered
2025-12-26
Start date
2025-09-26
Completion date
Unknown
Last updated
2026-01-05

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

Conditions

Schizophrenia

Interventions

HC+SMK group:none
SCZ+NSMK group:none
SCZ+SMK group:none
HC+NSMK group:none

Sponsors

Wuxi Mental Health Center
Lead Sponsor

Eligibility

Sex/Gender
Male
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1.All participants aged 18-60 years; 2.signed informed consent; 3.schizophrenia group meets DSM-5 diagnostic criteria with stable condition (PANSS total score =10 cigarettes per day for >1 year (FTND>=4); 5.non-smoking groups have no history of smoking; 6.healthy control group has no personal history of mental disorders; 7.all participants have the cognitive ability to complete the experiments (MoCA>=20); Healthy control group: No history of mental illness; smokers matched by smoking amount, non-smokers with no history of smoking.

Exclusion criteria

Exclusion criteria: 1.Current or past diagnosis of bipolar disorder, major depressive disorder (with psychotic features), autism spectrum disorder, or substance-induced psychotic disorder (e.g., drug abuse); 2.Meets criteria for any substance use disorder according to DSM-5 (alcohol, cannabis, etc.), or has engaged in illicit drug use within the past three months (as evidenced by a positive urine test). 3.presence of MRI/EEG contraindications (such as metal implants, claustrophobia); 4.Epilepsy, traumatic brain injury (with loss of consciousness exceeding 30 minutes), brain tumour, history of stroke; 5.pregnant or lactating women; 6.Severe physical illnesses such as uncontrolled hypertension (BP > 160/100 mmHg), recent myocardial infarction (<6 months), advanced cancer; 7.other circumstances deemed by investigators as unsuitable for participation in this study;

Design outcomes

Primary

MeasureTime frame
Functional MRI data;EEG data;Biological samples;

Secondary

MeasureTime frame
Clinical assessment;

Countries

China

Contacts

Public ContactXiangjun Zhou

Wuxi Mental Health Center

6242828012@stu.jiangnan.edu.cn+86 510 83012698

Outcome results

None listed

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