2021
Reward-Related Responses and Tonic Craving in Cocaine Addiction: An Imaging Study of the Monetary Incentive Delay Task
Zhornitsky S, Dhingra I, Le TM, Wang W, Li CR, Zhang S. Reward-Related Responses and Tonic Craving in Cocaine Addiction: An Imaging Study of the Monetary Incentive Delay Task. The International Journal Of Neuropsychopharmacology 2021, 24: 634-644. PMID: 33822080, PMCID: PMC8378081, DOI: 10.1093/ijnp/pyab016.Peer-Reviewed Original ResearchConceptsCocaine-dependent individualsCocaine Craving QuestionnaireCCQ scoresRecent cocaine useHealthy controlsMonetary incentive delay taskReward-related responsesCocaine useVentral striatumIncentive delay taskMotor cortexReward responsesPrecentral gyrusCocaine addictionPrimary motor cortexSupplementary motor areaDelay taskIntense drug cravingFunctional magnetic resonance imagingMagnetic resonance imagingDrug-seeking behaviorHigher activationReward-related activityMotor areaWhole brainMidcingulate Cortical Activations Interrelate Chronic Craving and Physiological Responses to Negative Emotions in Cocaine Addiction
Zhornitsky S, Le TM, Wang W, Dhingra I, Chen Y, Li CR, Zhang S. Midcingulate Cortical Activations Interrelate Chronic Craving and Physiological Responses to Negative Emotions in Cocaine Addiction. Biological Psychiatry Global Open Science 2021, 1: 37-47. PMID: 35664438, PMCID: PMC9164547, DOI: 10.1016/j.bpsgos.2021.03.003.Peer-Reviewed Original ResearchCD subjectsCocaine cravingMidcingulate cortexControl subjectsSkin conductance responsesBrain activationHealthy control subjectsCocaine Craving QuestionnaireCocaine-dependent subjectsInferior parietal gyrusRegional brain activationChronic cocaineParietal gyrusMotor circuitsPhysiological responsesCocaine addictionDrug cravingCravingNeutral images
2020
Resting state hypothalamic and dorsomedial prefrontal cortical connectivity of the periaqueductal gray in cocaine addiction
Zhang S, Zhornitsky S, Wang W, Le TM, Dhingra I, Chen Y, Li C. Resting state hypothalamic and dorsomedial prefrontal cortical connectivity of the periaqueductal gray in cocaine addiction. Addiction Biology 2020, 26: e12989. PMID: 33300238, PMCID: PMC8614224, DOI: 10.1111/adb.12989.Peer-Reviewed Original ResearchConceptsPeriaqueductal grayPain circuitsDrug useCocaine addictionFunctional connectivityPrefrontal cortical connectivityState functional connectivityReward circuit dysfunctionRecent cocaine useHealthy control participantsInferior parietal cortexCompulsive drug useHabitual drug useCircuit dysfunctionCocaine withdrawalCocaine-dependent individualsCocaine cravingCortical connectivitySignificant anxietyDorsomedial prefrontalParietal cortexCocaine useIntrinsic connectivitySubcortical hubsDrug seekingCue-elicited functional connectivity of the periaqueductal gray and tonic cocaine craving
Zhang S, Zhornitsky S, Wang W, Dhingra I, Le TM, Li CR. Cue-elicited functional connectivity of the periaqueductal gray and tonic cocaine craving. Drug And Alcohol Dependence 2020, 216: 108240. PMID: 32853997, PMCID: PMC7606798, DOI: 10.1016/j.drugalcdep.2020.108240.Peer-Reviewed Original ResearchConceptsPeriaqueductal grayPain circuitsHabitual drug useCocaine withdrawalCocaine cravingDrug useCue exposureNeutral cue exposureReward circuit dysfunctionCocaine Craving QuestionnaireCocaine cue exposureChronic cocaine useSex differencesCocaine-dependent participantsCircuit dysfunctionFemale CDVentromedial prefrontal cortexCocaine useCocaine addictionFunctional connectivityPrefrontal cortexDependent participantsWithdrawalHigher activationCocaine
2019
Hypothalamic Responses to Cocaine and Food Cues in Individuals with Cocaine Dependence
Zhang S, Zhornitsky S, Le TM, Li CR. Hypothalamic Responses to Cocaine and Food Cues in Individuals with Cocaine Dependence. The International Journal Of Neuropsychopharmacology 2019, 22: 754-764. PMID: 31420667, PMCID: PMC6929672, DOI: 10.1093/ijnp/pyz044.Peer-Reviewed Original ResearchConceptsHealthy control participantsHypothalamic activationCocaine useCocaine-dependent participantsFood cuesCocaine addictionHypothalamic responseControl participantsCocaine Craving QuestionnaireRecent cocaine useFunctional magnetic resonance imagingMagnetic resonance imagingCue-related activationsInferior parietal cortexHypothalamic dysfunctionClinical variablesDopaminergic pathwaysTonic cravingFood intakeQuestionnaire scoresRodent studiesVisual cortexParietal cortexResonance imagingHypothalamus
2018
Hypothalamic response to cocaine cues and cocaine addiction severity
Zhang S, Zhornitsky S, Angarita GA, Li C. Hypothalamic response to cocaine cues and cocaine addiction severity. Addiction Biology 2018, 25: e12682. PMID: 30295396, PMCID: PMC6453736, DOI: 10.1111/adb.12682.Peer-Reviewed Original ResearchConceptsCocaine Craving QuestionnaireCocaine Selective Severity AssessmentFunctional magnetic resonance imagingCocaine-dependent individualsAddiction severityOrbitofrontal cortexHypothalamic responseVentral striatumCocaine addictionCocaine cuesAngular gyrusBilateral orbitofrontal cortexBilateral visual cortexCue-induced cravingMagnetic resonance imagingMiddle frontal gyrusClinical featuresNeutral cuesDopaminergic circuitsHypothalamusVisual cortexResonance imagingDopaminergic midbrainFrontal gyrusAg response
2016
Power spectrum scale invariance as a neural marker of cocaine misuse and altered cognitive control
Ide JS, Hu S, Zhang S, Mujica-Parodi LR, Li CS. Power spectrum scale invariance as a neural marker of cocaine misuse and altered cognitive control. NeuroImage Clinical 2016, 11: 349-356. PMID: 27294029, PMCID: PMC4888196, DOI: 10.1016/j.nicl.2016.03.004.Peer-Reviewed Original ResearchConceptsPower spectrum scale invarianceCognitive controlInferior frontal gyrusNeural markersBehavioral adjustmentSupramarginal gyrusLeft inferior frontal gyrusFunctional magnetic resonance imagingFronto-parietal areasBlood oxygenation level-dependent (BOLD) signalCocaine misuseLevel-dependent signalCocaine-dependent adultsSignal taskFrontal gyrusFrontoparietal regionsPrefrontal cortexMagnetic resonance imagingConnectivity dynamicsBehavioral variablesCerebral activityCocaine addictionCocaine exposureCocaine dependenceDependent adults