2023
Problematic smartphone use and two types of problematic use of the internet and self-stigma among people with substance use disorders
Chang C, Chen J, Huang S, Potenza M, Su J, Chang K, Pakpour A, Lin C. Problematic smartphone use and two types of problematic use of the internet and self-stigma among people with substance use disorders. Addictive Behaviors 2023, 147: 107807. PMID: 37542974, DOI: 10.1016/j.addbeh.2023.107807.Peer-Reviewed Original ResearchConceptsProblematic smartphone useSubstance use disordersCognition-Execution (I-PACE) modelI-PACE modelSmartphone useProblematic useUse disordersPROCESS macro Model 4Person-AffectMediation modelCross-sectional designMediation analysisLongitudinal studyPeopleDisordersRelationshipPsychiatric centerFindingsParticipantsHayesModel 4Context
2022
Neural activations to loss anticipation mediates the association between difficulties in emotion regulation and screen media activities among early adolescent youth: A moderating role for depression
Zhang J, Zhou N, Song K, Zou B, Xu L, Fu Y, Geng X, Wang Z, Li X, Potenza M, Nan Y, Zhang J. Neural activations to loss anticipation mediates the association between difficulties in emotion regulation and screen media activities among early adolescent youth: A moderating role for depression. Developmental Cognitive Neuroscience 2022, 58: 101186. PMID: 36516611, PMCID: PMC9764194, DOI: 10.1016/j.dcn.2022.101186.Peer-Reviewed Original ResearchConceptsReward/loss processingDorsolateral prefrontal cortexProcessing of emotionsScreen media activitiesAnterior insulaLoss processingEmotion regulationBrain activationRight dorsolateral prefrontal cortexMonetary incentive delay taskDepressive symptomsNegative emotional situationsEarly adolescent youthIncentive delay taskNegative emotional statesLeft anterior insulaPotential mediating factorsAI activationNeural correlatesFMRI scanningDelay taskEmotional situationsEmotional statesLoss anticipationMediation model