This project aims to investigate whether anodal tDCS of dlPFC enhances cognitive regulation over craving an emotions.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
204
The CBI was given once a week for 6 weeks, conducted by four therapists. A pair of therapists was randomly assigned to a CBI+ group. Each session included 5 parts in 2.5-3 hours: warming-up exercise, discussion about the homework from the last session, main structured activity, brief summary, and the homework assignment. There were 6 sessions with each focused on a topic: recognize craving and its relationship with IGD; reduce craving through ameliorating the salience of cues and irrational beliefs, withdrawal symptoms and other negative affects; enhance self-monitoring and control for craving through time management training; relieve fulfillment of psychological needs through Internet use and attenuate the relation between craving and gaming behaviors through coping skill training
State Key Laboratory of Cognitive Neuroscience and Learning
Beijing, Beijing Municipality, China
Brain resting state functional connectivity as measured by fMRI
voxel-wise, ROI-wise, and ICA analyses
Time frame: Detecting changes between two different time points (baseline and 6 weeks)
Brain activation during a cue-induced craving task as measured by fMRI
A paradigm using addictive pictures to induce craving
Time frame: Detecting changes between two different time points (baseline and 6 weeks)
Brain activation during the Cups task as measured by fMRI
Cups task measuring risky decision-making related to potential gains and losses separately
Time frame: Detecting changes between two different time points (baseline and 6 weeks)
Brain activation during the mixed gambling task tasks as measured by fMRI
The mix gambling task measuring decision-making related to loss aversion
Time frame: Detecting changes between two different time points (baseline and 6 weeks)
Brain structure as measured by structural MRI
comparing gray matter and white matter differences between individuals with IGD and healthy controls.
Time frame: Detecting changes between two different time points (baseline and 6 weeks)
IGD severity measured by Chen Internet addiction scale
a 26-item 4-point Likert scale
Time frame: Detecting changes between two different time points (baseline and 6 weeks)
Craving as measured by brief questionnaire of Internet (gaming) craving
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a 8-item 7-point Likert scale
Time frame: Detecting changes between two different time points (baseline and 6 weeks)
Impulsivity as measured by Barratt impulsive scale (BIS-II)
a 30-item 4-point Likert scale
Time frame: Detecting changes between two different time points (baseline and 6 weeks)
weekly online (gaming) time
self-report,in hours
Time frame: Detecting changes between two different time points (baseline and 6 weeks)