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 seekingCortical Thickness in Alcohol Dependent Patients With Apathy
Yang K, Yang Q, Niu Y, Fan F, Chen S, Luo X, Tan S, Wang Z, Tong J, Yang F, Le TM, Li CR, Tan Y. Cortical Thickness in Alcohol Dependent Patients With Apathy. Frontiers In Psychiatry 2020, 11: 364. PMID: 32431630, PMCID: PMC7214693, DOI: 10.3389/fpsyt.2020.00364.Peer-Reviewed Original ResearchInferior parietal cortexHealthy controlsCortical thicknessSuperior parietal cortexOccipito-temporal cortexParietal cortexOccipital gyrusBilateral superior parietal cortexCritical clinical featuresStructural brain changesEducation-matched healthy controlsSeverity of apathyRight superior occipital gyrusAlcohol-dependent patientsBilateral lingual gyrusLeft middle occipital gyrusSuperior occipital gyrusMiddle occipital gyrusBilateral inferior parietal cortexOccipital-temporal cortexClinical featuresDependent patientsRight intraparietal sulcusMagnetic resonance imaging dataBrain changes
2019
Neural correlates of reward-directed action and inhibition of action
Le TM, Zhang S, Zhornitsky S, Wang W, Li CR. Neural correlates of reward-directed action and inhibition of action. Cortex 2019, 123: 42-56. PMID: 31747630, DOI: 10.1016/j.cortex.2019.10.007.Peer-Reviewed Original ResearchConceptsRostral anterior cingulate cortexInhibition of actionGo trialsReward-directed actionGoal-directed actionsInferior parietal cortexMiddle frontal cortexAnterior cingulate cortexMain effectSignificant main effectVisual attentionNeural correlatesGo taskResponse executionReward valuationNeural processesBrain activationHealthy human adultsNeural responsesReward magnitudeConjunction analysisLarge rewardDorsal ACCCingulate cortexParietal cortexHypothalamic 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
2014
The Effects of Methylphenidate on Cerebral Activations to Salient Stimuli in Healthy Adults
Farr OM, Hu S, Matuskey D, Zhang S, Abdelghany O, Li CS. The Effects of Methylphenidate on Cerebral Activations to Salient Stimuli in Healthy Adults. Experimental And Clinical Psychopharmacology 2014, 22: 154-165. PMID: 24188171, PMCID: PMC4105943, DOI: 10.1037/a0034465.Peer-Reviewed Original ResearchConceptsStop-signal taskSalient stimuliSaliency processingFunctional MRIAttention deficit hyperactivity disorderRight inferior parietal cortexHigh motivational valueDeficit hyperactivity disorderEffects of methylphenidateInferior parietal cortexHealthy adultsNeural basisCognitive functioningMotivational valueAttention disordersHyperactivity disorderBilateral caudate headCatecholaminergic signalingMethylphenidate groupParietal cortexCerebral activationHigher activationCatecholaminergic treatmentPrimary motor cortexCerebral activity
2012
Saliency Processing and Obesity: A Preliminary Imaging Study of the Stop Signal Task
Hendrick OM, Luo X, Zhang S, Li C. Saliency Processing and Obesity: A Preliminary Imaging Study of the Stop Signal Task. Obesity 2012, 20: 1796-1802. PMID: 21720427, PMCID: PMC3653271, DOI: 10.1038/oby.2011.180.Peer-Reviewed Original ResearchConceptsStop-signal taskObese femalesBrain activationCognitive controlAltered cerebral functionSupplementary motor areaSignal taskRegional brain activationInferior parietal cortexSaliency processingCerebral functionLean femalesMotor areaFunctional magnetic resonance imagesParietal cortexSimilar behavioral performanceImaging studiesStop trialsPreliminary imaging studyObesityMagnetic resonance imagesTrialsGreater activationResonance imagesResponse inhibition