2022
232-OR: Alterations in Decision-Making Neurocircuits during Hypoglycemia in Patients with T1DM
DEAJON-JACKSON J, RANGEL E, LACADIE C, GREENE A, BELFORT-DEAGUIAR R, CONSTABLE T, ROTHMAN D, HWANG J. 232-OR: Alterations in Decision-Making Neurocircuits during Hypoglycemia in Patients with T1DM. Diabetes 2022, 71 DOI: 10.2337/db22-232-or.Peer-Reviewed Original ResearchDorsal anterior cingulate cortexGroup x Session interactionFunctional connectivityOrbitofrontal cortexControl subjectsNon-diabetic control subjectsHealthy control subjectsState functional connectivityDirect neuronal connectionsRegional brain activityAnterior cingulate cortexSeed-based analysisBOLD-fMRI scanningHyperinsulinemic euglycemicHypoglycemic clampT1DM patientsSession interactionT1DM subjectsGlucose levelsT1DMHypoglycemiaNeurocognitive changesNeuronal connectionsCingulate cortexCognitive function
2020
Loss of nucleus accumbens low-frequency fluctuations is a signature of chronic pain
Makary MM, Polosecki P, Cecchi GA, DeAraujo IE, Barron DS, Constable TR, Whang PG, Thomas DA, Mowafi H, Small DM, Geha P. Loss of nucleus accumbens low-frequency fluctuations is a signature of chronic pain. Proceedings Of The National Academy Of Sciences Of The United States Of America 2020, 117: 10015-10023. PMID: 32312809, PMCID: PMC7211984, DOI: 10.1073/pnas.1918682117.Peer-Reviewed Original ResearchConceptsChronic low back pain patientsLow back pain patientsChronic painPain patientsChronic phaseChronic back pain patientsBack pain patientsRostral anterior cingulate cortexAnterior cingulate cortexAdditional independent datasetsRisk of transitionResting-state activityPersistent painBack painAccumbens volumeHealthy controlsNucleus accumbensPainSeparate cohortPatientsCingulate cortexPrevalent diseaseFunctional connectivityLoss of nucleiSubcortical signatures
2018
Hyperinsulinemia Invokes Greater Brain Perfusion in Reward and Motivation Regions in Obesity
GROSKREUTZ D, SINHA R, LACADIE C, LAM W, HAMZA M, SCHMIDT C, SEO D, HWANG J, BELFORT-DEAGUIAR R, LEVENTHAL J, ROSENBERG S, PARIKH L, CONSTABLE T, SHERWIN R, JASTREBOFF A. Hyperinsulinemia Invokes Greater Brain Perfusion in Reward and Motivation Regions in Obesity. Diabetes 2018, 67 DOI: 10.2337/db18-365-or.Peer-Reviewed Original ResearchCerebral blood flowElevated insulin levelsInsulin levelsFunctional magnetic resonance imagingLean humansObese humansHour oral glucose tolerance testOral glucose tolerance testSetting of hyperinsulinemiaGlucose tolerance testEuglycemic hyperinsulinemic clampEffect of hyperinsulinemiaAnterior cingulate cortexMagnetic resonance imagingWhole-brain analysisFood-seeking behaviorMiddle temporal gyrusMannKind CorporationCBF responseCNS effectsSatiety factorTolerance testBrain perfusionOB groupLN group
2006
Brain Connectivity Related to Working Memory Performance
Hampson M, Driesen NR, Skudlarski P, Gore JC, Constable RT. Brain Connectivity Related to Working Memory Performance. Journal Of Neuroscience 2006, 26: 13338-13343. PMID: 17182784, PMCID: PMC2677699, DOI: 10.1523/jneurosci.3408-06.2006.Peer-Reviewed Original ResearchConceptsPosterior cingulate cortexMemory taskCognitive tasksCingulate cortexVentral anterior cingulate cortexDifferent cognitive tasksMedial frontal regionsMedial frontal gyrusDefault mode networkAnterior cingulate cortexFunctional imaging studiesCognitive abilitiesIndividual differencesMemory performanceCognitive performanceFrontal gyrusMode networkFrontal regionsFunctional connectivityBrain connectivityBrain areasTaskFunctional connectionsImaging studiesCortex