2022
Systemic inflammation enhances stimulant-induced striatal dopamine elevation in tobacco smokers
Zakiniaeiz Y, Hoye J, Ryan Petrulli J, LeVasseur B, Stanley G, Gao H, Najafzadeh S, Ropchan J, Nabulsi N, Huang Y, Chen MK, Matuskey D, Barron DS, Kelmendi B, Fulbright RK, Hampson M, Cosgrove KP, Morris ED. Systemic inflammation enhances stimulant-induced striatal dopamine elevation in tobacco smokers. Brain Behavior And Immunity 2022, 106: 262-269. PMID: 36058419, PMCID: PMC10097458, DOI: 10.1016/j.bbi.2022.08.016.Peer-Reviewed Original ResearchConceptsEffects of LPSDopamine elevationTobacco smokersHealthy controlsSystemic inflammationDopamine systemImmune-brain interactionReward-related brain regionsAdministration of placeboAdministration of LPSSmoking statusRepeated-measures ANOVAPathophysiology of addictionDrug dosingPlaceboIndependent cohortSmokersDrug reinforcementEffect size determinationImmune systemRandomized orderBrain regionsLPSMethylphenidatePBO condition
2021
Increased amygdala and decreased frontolimbic r esting- s tate functional connectivity in children with aggressive behavior
Sukhodolsky DG, Ibrahim K, Kalvin CB, Jordan RP, Eilbott J, Hampson M. Increased amygdala and decreased frontolimbic r esting- s tate functional connectivity in children with aggressive behavior. Social Cognitive And Affective Neuroscience 2021, 17: 634-644. PMID: 34850939, PMCID: PMC9250305, DOI: 10.1093/scan/nsab128.Peer-Reviewed Original ResearchConceptsDorsal anterior cingulateFunctional connectivityAnterior cingulateDorsolateral prefrontal cortical regionsResting-state brain connectivityAggressive behaviorResting-state functional connectivityIntrinsic connectivity distributionAmygdala-prefrontal circuitryAnterior cingulate cortexIntrinsic functional connectivityPrefrontal cortical regionsHealthy controlsAmygdala connectivityGreater severityVentromedial prefrontal cortexCingulate cortexFunctional MRI dataCortical regionsMedial prefrontalMaladaptive aggressionPrefrontal cortexBrain connectivitySeverity of aggressionTreatment-seeking children
2018
Data-Driven Analysis of Functional Connectivity Reveals a Potential Auditory Verbal Hallucination Network
Scheinost D, Tokoglu F, Hampson M, Hoffman R, Constable RT. Data-Driven Analysis of Functional Connectivity Reveals a Potential Auditory Verbal Hallucination Network. Schizophrenia Bulletin 2018, 45: 415-424. PMID: 29660081, PMCID: PMC6403094, DOI: 10.1093/schbul/sby039.Peer-Reviewed Original ResearchConceptsAuditory Hallucination Rating ScaleIntrinsic connectivity distributionAuditory verbal hallucinationsHealthy controlsFunctional connectivityLateralized connectivitySevere global health problemSeed connectivity analysesBest treatment strategyGlobal health problemWhole-brain connectivityMedial prefrontal cortexPosterior cingulate cortexDefault mode networkSuch patientsPatient groupLeft putamenTreatment strategiesPatientsActionable targetsSchizoaffective disorderCingulate cortexHealth problemsVoxel-based measurePrefrontal cortex