Light Therapy for Internet Gaming Disorder

A Randomized Controlled Double-Blind Trial of Light Therapy for Internet Gaming Disorder

This project aims to investigate (1) the efficacy of light therapy on internet gaming disorder (IGD); (2) the underlying neural mechanisms of such efficacy

Inclusion Criteria:

1. the 5th edition of Diagnostic and Statistical Manual of Mental Disorders (DSM-5 ) recommended diagnosis of Internet gaming disorder;
2. the scores of the Young-Internet addiction Test ≥ 50;
3. playing internet games ≥15 h/week for ≥1 year

Exclusion Criteria:

1. current or history of psychiatric or neurological illness;
2. current or history of use of illegal substances and other addictions;
3. current use of psychotropic medications ;
4. any history of head trauma, presence of metal in the body or other contraindication to functional MRI scanning;
5. photosensitivity disorders, such as systemic lupus erythematosus and chronic actinic dermatitis.