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Light Therapy for Internet Gaming Disorder

Not Applicable
Completed
Conditions
Light Therapy
Internet Gaming Disorder
Interventions
Other: Light therapy
Other: Light placebo therapy
Other: Emotion Bias Modification Training
Registration Number
NCT06165549
Lead Sponsor
Jinan University Guangzhou
Brief Summary

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

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
104
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.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Light therapyLight therapyabout 30 individuals with internet gaming disorder will be randomly assigned to the light therapy group
Light placeboLight placebo therapyabout 30 individuals with internet gaming disorder will be randomly assigned to the light placebo group
EABM training groupEmotion Bias Modification Trainingabout 30 individuals with internet gaming disorder will be randomly assigned to the EABM training group
Primary Outcome Measures
NameTimeMethod
changes in weekly gaming timebaseline and within 1 day after intervention

weekly gaming time will be recorded by Software.

changes in withdrawal symptomsbaseline and within 1 day after intervention

The scores of withdrawal symptoms will be assessed with the mood and physical symptoms scale.

change of BOLD signalsbaseline and within 1 day after intervention

Task-based fMRI and resting state fMRI.

changes in IGD severitybaseline , within one day after intervention, and 4-week after intervention

The scores of IGD severity will be assessed with the internet addiction test for internet gaming disorder.

changes in cravingbaseline and within 1 day after intervention

Craving will be assessed using a Visual Analog Scale during a cue-reactivity task.

Secondary Outcome Measures
NameTimeMethod
changes in the severity of anxietybaseline and within 1 day after intervention

The scores of the severity of anxiety will be assessed with the Beck Anxiety Inventory (BAI)

changes in gaming-related compulsive behaviorsbaseline and within 1 day after intervention

The scores of gaming-related compulsive behaviors will be assessed with the Yale-Brown Obsessive-Compulsive Scale modified for internet gaming disorder.

changes in gaming-related compulsive thoughtsbaseline and within 1 day after intervention

The scores of gaming-related compulsive thoughts will be assessed with the Yale-Brown Obsessive-Compulsive Scale modified for internet gaming disorder.

changes in the severity of depressionbaseline and within 1 day after intervention

The scores of the severity of depression will be assessed with the Beck Depression Inventory(BDI)

changes in the severity of two emotion regulation strategies, cognitive reappraisal and expressive suppressionbaseline and within 1 day after intervention

The scores of emotion regulation strategies will be assessed with the Emotion Regulation Questionnaire (ERQ)

changes in the quality and patterns of sleepbaseline and within 1 day after intervention

The scores of the quality and patterns of sleep will be assessed with the Pittsburgh Sleep Quality Index (PSQI).

Trial Locations

Locations (2)

Jinan University

🇨🇳

Guangdong, Guangzhou, China

South China Normal University

🇨🇳

Guangzhou, Guangdong, China

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