Is Neural Processing of Negative Stimuli Altered in Addiction Independent of Drug Effects? Findings From Drug-Naïve Youth with Internet Gaming Disorder
Yip SW, Gross JJ, Chawla M, Ma SS, Shi XH, Liu L, Yao YW, Zhu L, Worhunsky PD, Zhang J. Is Neural Processing of Negative Stimuli Altered in Addiction Independent of Drug Effects? Findings From Drug-Naïve Youth with Internet Gaming Disorder. Neuropsychopharmacology 2017, 43: 1364-1372. PMID: 29154365, PMCID: PMC5916358, DOI: 10.1038/npp.2017.283.Peer-Reviewed Original ResearchConceptsDrug-naïve youthNeural processingEmotion regulationNegative affectGaming disorderGroup differencesEmotion regulation taskNegative affective cuesNegative affective stimuliLateral prefrontal cortexInternet gaming disorderAffective cuesAffective stimuliNegative stimuliFMRI scanningIndependent component analysisTask performanceMixed-effects ANOVASubstance use disordersNeural responsesRegulation taskAddictive behaviorsBehavioral addictionsPrefrontal cortexDrugs of abuseAltered functional connectivity to stressful stimuli in prenatally cocaine-exposed adolescents
Zakiniaeiz Y, Yip SW, Balodis IM, Lacadie CM, Scheinost D, Constable RT, Mayes LC, Sinha R, Potenza MN. Altered functional connectivity to stressful stimuli in prenatally cocaine-exposed adolescents. Drug And Alcohol Dependence 2017, 180: 129-136. PMID: 28888152, PMCID: PMC5808433, DOI: 10.1016/j.drugalcdep.2017.07.030.Peer-Reviewed Original ResearchConceptsPrenatal cocaine exposureNeutral-relaxing conditionsPCE adolescentsParietal connectivityConnectivity analysisSensory areasAdolescent brain functionFunctional magnetic resonance imagingCue interaction effectsIntrinsic connectivity analysesMedial prefrontal areasSeed-based connectivity analysisSubstance Use InitiationAltered functional connectivityAppetitive cuesObesity vulnerabilityPCE statusNeural responsesCorticolimbic connectivityPrefrontal areasFunctional connectivityCraving scoresUtero drug exposureGroup differencesLess connectivityWhite-matter crossing-fiber microstructure in adolescents prenatally exposed to cocaine
Morie KP, Yip SW, Zhai ZW, Xu J, Hamilton KR, Sinha R, Mayes LC, Potenza MN. White-matter crossing-fiber microstructure in adolescents prenatally exposed to cocaine. Drug And Alcohol Dependence 2017, 174: 23-29. PMID: 28292689, PMCID: PMC5555052, DOI: 10.1016/j.drugalcdep.2017.01.011.Peer-Reviewed Original ResearchConceptsPrenatal cocaine exposureSuperior longitudinal fasciculusPCE adolescentsCrossing-fiber modelsGroup differencesWhole-brain investigationNon-exposed youthWhole-brain analysisSignificant group differencesAltered white matter developmentLeft superior longitudinal fasciculusRisk-taking behaviorNeurobiological underpinningsWhite matter developmentWhite matter microstructureSubstance useWhite matter differencesWhite matter regionsAdolescentsDiffusion-weighted imaging dataCocaine exposureLongitudinal cohortBilateral cingulumCorpus callosumROI analysis