2016
Methylphenidate Modulates Functional Network Connectivity to Enhance Attention
Rosenberg MD, Zhang S, Hsu WT, Scheinost D, Finn ES, Shen X, Constable RT, Li CS, Chun MM. Methylphenidate Modulates Functional Network Connectivity to Enhance Attention. Journal Of Neuroscience 2016, 36: 9547-9557. PMID: 27629707, PMCID: PMC5039242, DOI: 10.1523/jneurosci.1746-16.2016.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivity disorderSustained attentionWhole-brain connectivity patternsFunctional brain networksHyperactivity disorderBrain networksConnectivity patternsConnectome-based predictive modeling approachWhole-brain functional connectivity patternsWhole-brain functional connectivity networksSustained attention taskStop-signal taskDose of methylphenidateFunctional network connectivityCausal roleFunctional connectivity patternsHealthy adultsAttention taskCognitive abilitiesPromising neuromarkerNetwork strengthBehavioral predictionsADHD treatmentConnectivity signaturesFunctional connectivity networksThe effects of methylphenidate on cerebral responses to conflict anticipation and unsigned prediction error in a stop-signal task
Manza P, Hu S, Ide JS, Farr OM, Zhang S, Leung HC, Li CR. The effects of methylphenidate on cerebral responses to conflict anticipation and unsigned prediction error in a stop-signal task. Journal Of Psychopharmacology 2016, 30: 283-293. PMID: 26755547, PMCID: PMC4837899, DOI: 10.1177/0269881115625102.Peer-Reviewed Original ResearchConceptsUnsigned prediction errorsStop-signal taskConflict anticipationVentromedial prefrontal cortexEffects of methylphenidateDorsal anterior cingulateInferior parietal lobulePresupplementary motor areaCognitive controlHealthy young adultsNeural processesUpcoming conflictTask performanceNeural mechanismsBilateral caudate headParietal lobulePrediction errorPrefrontal cortexAnterior cingulateAdaptive behaviorParahippocampal gyrusMethylphenidateMotor areaAnticipation activityYoung adults
2014
The effects of methylphenidate on resting-state striatal, thalamic and global functional connectivity in healthy adults
Farr OM, Zhang S, Hu S, Matuskey D, Abdelghany O, Malison RT, Li CS. The effects of methylphenidate on resting-state striatal, thalamic and global functional connectivity in healthy adults. The International Journal Of Neuropsychopharmacology 2014, 17: 1177-1191. PMID: 24825078, PMCID: PMC4506752, DOI: 10.1017/s1461145714000674.Peer-Reviewed Original ResearchConceptsEffects of methylphenidateResting-state connectivityFunctional connectivityResting-state functional connectivityFrontal executive areasRegional brain activationAmygdala/hippocampusPrefrontal cortical connectivityDorsal striatumHealthy adultsCognitive performanceBrain activationExecutive areasGlobal functional connectivityCatecholaminergic signalingMotor cortexBrain regionsBrain functionPrimary motor cortexCortical connectivityCerebral connectivityMemory circuitsCatecholaminergic dysfunctionMethylphenidatePsychiatric disordersThe 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
2013
Methylphenidate remediates error-preceding activation of the default mode brain regions in cocaine-addicted individuals
Matuskey D, Luo X, Zhang S, Morgan PT, Abdelghany O, Malison RT, Li CS. Methylphenidate remediates error-preceding activation of the default mode brain regions in cocaine-addicted individuals. Psychiatry Research 2013, 214: 116-121. PMID: 23973363, PMCID: PMC3811038, DOI: 10.1016/j.pscychresns.2013.06.009.Peer-Reviewed Original ResearchMeSH KeywordsAdultCentral Nervous System StimulantsCerebral CortexCocaine-Related DisordersCognition DisordersFemaleHumansImage Processing, Computer-AssistedInhibition, PsychologicalMagnetic Resonance ImagingMaleMethylphenidateMiddle AgedModels, NeurologicalNeural PathwaysNeuropsychological TestsOxygenPhotic StimulationReaction TimeConceptsFunctional magnetic resonance imagingStop-signal taskCD individualsCerebral activationPrecuneus/posterior cingulate cortexSystolic blood pressureInfluence of methylphenidateEffects of methylphenidateMagnetic resonance imagingPosterior cingulate cortexBrain imaging studiesCocaine-addicted individualsDefault mode networkAgonist therapyBlood pressureIntravenous methylphenidateCortico-striatoHealthy controlsCocaine-dependent individualsThalamic activationCingulate cortexResonance imagingBrain regionsMethylphenidateCocaine dependence
2010
Biological markers of the effects of intravenous methylphenidate on improving inhibitory control in cocaine-dependent patients
Li CS, Morgan PT, Matuskey D, Abdelghany O, Luo X, Chang JL, Rounsaville BJ, Ding YS, Malison RT. Biological markers of the effects of intravenous methylphenidate on improving inhibitory control in cocaine-dependent patients. Proceedings Of The National Academy Of Sciences Of The United States Of America 2010, 107: 14455-14459. PMID: 20660731, PMCID: PMC2922598, DOI: 10.1073/pnas.1002467107.Peer-Reviewed Original ResearchConceptsMiddle frontal cortexStop-signal reaction timeCocaine-dependent patientsWhole-brain linear regressionLonger stop-signal reaction timesFunctional MRI studyInhibitory controlInhibition-related activationBlood pressureIntravenous methylphenidatePeripheral biomarkersSignal reaction timeFrontal cortexStop-signal taskIndividualized treatmentHealthy individualsMRI studiesVentromedial prefrontal cortexSpecific neural mechanismsCocaine dependenceBiological markersPrefrontal cortexPatientsMethylphenidate responseSignal task