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This project aims to investigate whether anodal tDCS of dlPFC enhances cognitive regulation over craving an emotions.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Craving behavioral intervention | Experimental | The craving behavioral intervention (CBI) was developed based on the framework of craving, combining with behavior intervention (Dong and Potenza, 2014), and conducted among individuals with IGD. |
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| Control | No Intervention | The control group were individuals with Internet gaming disorder who did not receive any intervention but were scanned twice with the similar interval period as experimental group. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Craving behavioral intervention | Behavioral | 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 |
| Measure | Description | Time Frame |
|---|---|---|
| Brain resting state functional connectivity as measured by fMRI | voxel-wise, ROI-wise, and ICA analyses | 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 | Detecting changes between two different time points (baseline and 6 weeks) |
| Measure | Description | Time Frame |
|---|---|---|
| Brain activation during the Cups task as measured by fMRI | Cups task measuring risky decision-making related to potential gains and losses separately | Detecting changes between two different time points (baseline and 6 weeks) |
| Brain activation during the mixed gambling task tasks as measured by fMRI |
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Inclusion Criteria:
Inclusion criteria for IGDs were:
Inclusion criteria for HCs were:
Exclusion Criteria:
for all participants:
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| Name | Affiliation | Role |
|---|---|---|
| XiaoYi Fang, PhD | Institute of Developmental Psychology, Beijing Normal University | Study Chair |
| JinTao Zhang, PhD | State Key Laboratory of Cognitive Neuroscience and Learning | Study Chair |
| CuiCui Xia, MEd | Institute of Developmental Psychology, Beijing Normal University | Principal Investigator |
| LinYuan Deng, PhD | Faculty of Education Beijing Normal University | Principal Investigator |
| Lu Liu, BS | Institute of Developmental Psychology, Beijing Normal University | Principal Investigator |
| Ben Liu, BSM | State Key Laboratory of Cognitive Neuroscience and Learning | Principal Investigator |
| ShanShan Ma, BS | State Key Laboratory of Cognitive Neuroscience and Learning | Principal Investigator |
| YuanWei Yao, BS | State Key Laboratory of Cognitive Neuroscience and Learning | Principal Investigator |
| Qinxue Liu, PhD | School of Psychology Central China Normal University |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| State Key Laboratory of Cognitive Neuroscience and Learning | Beijing | Beijing Municipality | 100875 | China |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 25062755 | Background | Dong G, Potenza MN. A cognitive-behavioral model of Internet gaming disorder: theoretical underpinnings and clinical implications. J Psychiatr Res. 2014 Nov;58:7-11. doi: 10.1016/j.jpsychires.2014.07.005. Epub 2014 Jul 17. | |
| 29740358 | Derived | Liu L, Yao YW, Li CR, Zhang JT, Xia CC, Lan J, Ma SS, Zhou N, Fang XY. The Comorbidity Between Internet Gaming Disorder and Depression: Interrelationship and Neural Mechanisms. Front Psychiatry. 2018 Apr 23;9:154. doi: 10.3389/fpsyt.2018.00154. eCollection 2018. |
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| ID | Term |
|---|---|
| D000082424 | Internet Addiction Disorder |
| ID | Term |
|---|---|
| D000088942 | Technology Addiction |
| D016739 | Behavior, Addictive |
| D003192 | Compulsive Behavior |
| D007175 | Impulsive Behavior |
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The mix gambling task measuring decision-making related to loss aversion |
| 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. | 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 | Detecting changes between two different time points (baseline and 6 weeks) |
| Craving as measured by brief questionnaire of Internet (gaming) craving | a 8-item 7-point Likert scale | 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 | Detecting changes between two different time points (baseline and 6 weeks) |
| weekly online (gaming) time | self-report,in hours | Detecting changes between two different time points (baseline and 6 weeks) |
| Principal Investigator |
| Nan Zhou, MEd | Institute of Developmental Psychology, Beijing Normal University | Principal Investigator |
| ShuMeng Hou, MEd | Institute of Developmental Psychology, Beijing Normal University | Principal Investigator |
| 28443046 | Derived | Deng LY, Liu L, Xia CC, Lan J, Zhang JT, Fang XY. Craving Behavior Intervention in Ameliorating College Students' Internet Game Disorder: A Longitudinal Study. Front Psychol. 2017 Apr 10;8:526. doi: 10.3389/fpsyg.2017.00526. eCollection 2017. |
| D001519 |
| Behavior |