2024
Efficacy and Neural Mechanisms of Mindfulness Meditation Among Adults With Internet Gaming Disorder
Ni H, Wang H, Ma X, Li S, Liu C, Song X, Potenza M, Dong G. Efficacy and Neural Mechanisms of Mindfulness Meditation Among Adults With Internet Gaming Disorder. JAMA Network Open 2024, 7: e2416684. PMID: 38888924, PMCID: PMC11185988, DOI: 10.1001/jamanetworkopen.2024.16684.Peer-Reviewed Original ResearchConceptsInternet gaming disorderDSM-5-TRProgressive muscle relaxationMindfulness meditationProgressive muscle relaxation groupNeural mechanismsGaming cravingsAddiction severityDecreased cravingFunctional connectivityAssociated with decreased brain activitySeverity of internet gaming disorderInternet gaming disorder severityTreating Internet Gaming DisorderBlood oxygen level-dependent signalCue-craving taskMedial frontal gyrusPotential neural mechanismsProgressive muscle relaxation trainingBilateral lentiform nucleusFrontal gyrusIncreased mindfulnessBrain measuresGaming disorderBrain regionsWanting-liking dissociation and altered dopaminergic functioning: Similarities between internet gaming disorder and tobacco use disorder
Ma X, Wang M, Zhou W, Zhang Z, Ni H, Jiang A, Zheng Y, Du X, Potenza M, Dong G. Wanting-liking dissociation and altered dopaminergic functioning: Similarities between internet gaming disorder and tobacco use disorder. Journal Of Behavioral Addictions 2024, 13: 596-609. PMID: 38635338, PMCID: PMC11220823, DOI: 10.1556/2006.2024.00011.Peer-Reviewed Original ResearchInternet gaming disorderTobacco use disorderIGD participantsGaming disorderCue-craving taskImplicit Association TestBrain-behavior mechanismsHealthy control participantsImplicit association test resultsFunctional MRI dataNeuromelanin-sensitive MRIIncentive sensitizationAddiction severityDopaminergic involvementDSM-5Dopaminergic functionDopaminergic systemPotential dissociationUse disorderControl participantsBrain featuresHedonic responsesAssociation TestGaming motivesNeural features
2020
Disrupted prefrontal regulation of striatum-related craving in Internet gaming disorder revealed by dynamic causal modeling: results from a cue-reactivity task
Dong GH, Wang M, Zheng H, Wang Z, Du X, Potenza MN. Disrupted prefrontal regulation of striatum-related craving in Internet gaming disorder revealed by dynamic causal modeling: results from a cue-reactivity task. Psychological Medicine 2020, 51: 1549-1561. PMID: 32102722, DOI: 10.1017/s003329172000032x.Peer-Reviewed Original ResearchConceptsInternet gaming disorderPosterior cingulate cortexRecreational game useIGD subjectsRGU subjectsNeurobiological markersGaming disorderCue-craving taskCue-reactivity taskGaming-related cuesCue-related cravingDynamic causal modelingPossible neurobiological mechanismsCognitive controlGaming cuesNeutral cuesUseful neurobiological markerPrefrontal regulationBrain responsesNeurobiological mechanismsLeft hemisphereCausal modelingCingulate cortexDirectional connectivityGame use