Anhedonia
Conditions
Interventions
Dorsolateral prefrontal cortex (dlPFC) intervention group:Anodal stimulation was administered to the left dorsolateral prefrontal cortex (dlPFC) at 2mA. A total of 10 sessions were administered, once
Dorsomedial prefrontal cortex (dmPFC) intervention group.:Anodal stimulation was applied to the dorsomedial prefrontal cortex (dmPFC) at 2mA. A total of 10 sessions were administered, once daily for 1
Sham stimulation group:The sham stimulation group followed the same protocol as the intervention groups, except that the simulated current was gradually increased to 2mA during the initial 30s and ret
High anhedonia group:Wearing EEG equipment, participants completed a social reward processing task and a social emotion regulation task.
Low anhedonia group:Wearing EEG equipment, participants completed a social reward processing task and a social emotion regulation task.
Sponsors
Southwest University
Eligibility
Sex/Gender
All
Age
18 Years to 28 Years
Inclusion criteria
Inclusion criteria: 1. Current students at Southwest University, aged 18–28 years; 2.One of the inclusion criteria: individuals with high levels of anhedonia.
Exclusion criteria
Exclusion criteria: 1. had a confirmed diagnosis of bipolar disorder, schizophrenia, autism spectrum disorder, or other psychiatric disorders; 2. had significant physical illnesses, a family history of psychiatric disorders among first-degree relatives, organic brain injury, substance dependence, contraindications for EEG; 3. a history of neurological diseases (e.g., epilepsy, stroke, traumatic brain injury).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| P300 Wave;Contingent Negative Variation, CNV;Early Posterior Negativity, EPN;Late Positive Potential, LPP;N200 at the Parietal Midline Area;The Temporal Experience of Pleasure Scale;Snaith-Hamilton Pleasure Scale;Childhood Trauma Ques- tionnaire,emotional abuse;Parental Psychological Control Scale, PPCS;Parental Bonding Instrument, PBI; | — |
Secondary
| Measure | Time frame |
|---|---|
| Patient Health Questionnaire-9 items, PHQ-9; | — |
Countries
China
Contacts
Public ContactBing Cao
Faculty of Psychology, Southwest University
Outcome results
None listed