Subclinical social anhedonia trait (non-clinical)
Conditions
Interventions
anodal group:Anodal transcranial direct current stimulation, the stimulation electrode was placed near the I4 region in the back of the cerebellum, which can reach Crus I and Crus II regions, and the
sham group:Sham transcranial direct current stimulation, the stimulation electrode was placed near the I4 region of Crus I and Crus II region at the back of the cerebellum, and the four return electro
Sponsors
Institute of Psychology, Chinese Academy of Sciences
Eligibility
Sex/Gender
All
Age
18 Years to 30 Years
Inclusion criteria
Inclusion criteria: (1) Social anhedonia group aged 18-30: individuals with a score greater than or equal to 20 on the Chapman Social Anhedonia Scale will be recruited as participants with social anhedonia. (2) Participants must voluntarily participate and cooperate in completing all tasks.
Exclusion criteria
Exclusion criteria: (1) IQ < 80; (2) A history or family history of psychiatric disorders; (3) Brain trauma or neurological disorders (such as epilepsy or stroke); (4) Head surgery; (5) Substance abuse or alcohol addiction; (6) Loss of consciousness for over 30 minutes; (7) Current use of psychiatric medication; (8) Pregnancy; (9) Recent presence of metal in the head area; (10) Recent scalp injury or inflammation; (11) Identification with psychiatric disorders through the MINI; (12) Left-handedness; (13) Inability to undergo MRI or receive tDCS; (14) Participation in TMS or other tDCS/tACS experiments in the past 8 weeks.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Sequence prediction ability; | — |
Secondary
| Measure | Time frame |
|---|---|
| Anticipatory and consummatory pleasure induced by social rewards; | — |
Countries
China
Contacts
Public Contact+86 10 64836274
Institute of Psychology, Chinese Academy of Sciences, Beijing, China
Outcome results
None listed