2023
Connectome-based predictive modeling shows sex differences in brain-based predictors of memory performance
Ju S, Horien C, Shen X, Abuwarda H, Trainer A, Constable R, Fredericks C. Connectome-based predictive modeling shows sex differences in brain-based predictors of memory performance. Frontiers In Dementia 2023, 2: 1126016. PMID: 39082002, PMCID: PMC11285565, DOI: 10.3389/frdem.2023.1126016.Peer-Reviewed Original ResearchDefault mode networkConnectome-based predictive modelingMemory performanceMemory taskMemory scoresShort-term memory performanceBrain-based predictorsShort-term memoryPosterior default mode networkAmnestic Alzheimer's diseaseRecollective memoryDMN activityMode networkVisual networkPast researchSex-specific modelsVisual circuitryAlzheimer's diseaseSex differencesMemoryDifferent circuitryTaskElevated riskMachine learning approachesNetwork activity
2022
Sex differences in default mode network connectivity in healthy aging adults
Ficek-Tani B, Horien C, Ju S, Xu W, Li N, Lacadie C, Shen X, Scheinost D, Constable T, Fredericks C. Sex differences in default mode network connectivity in healthy aging adults. Cerebral Cortex 2022, 33: 6139-6151. PMID: 36563018, PMCID: PMC10183749, DOI: 10.1093/cercor/bhac491.Peer-Reviewed Original ResearchConceptsDefault mode networkPreclinical Alzheimer's diseaseAlzheimer's diseaseSex differencesBrain connectivity changesDefault mode network connectivityIntrinsic connectivity distributionSeed-based analysisMode network connectivityMedial prefrontal cortexPosterior DMN nodesHealthy aging adultsImpact of sexLifetime riskDMN connectivityWhole brainPosterior cingulateDMN nodesSignificant sex differencesPrefrontal cortexConnectivity changesAging AdultsHealthy participantsDMN functionMode networkHuman visual consciousness involves large scale cortical and subcortical networks independent of task report and eye movement activity
Kronemer S, Aksen M, Ding J, Ryu J, Xin Q, Ding Z, Prince J, Kwon H, Khalaf A, Forman S, Jin D, Wang K, Chen K, Hu C, Agarwal A, Saberski E, Wafa S, Morgan O, Wu J, Christison-Lagay K, Hasulak N, Morrell M, Urban A, Todd Constable R, Pitts M, Mark Richardson R, Crowley M, Blumenfeld H. Human visual consciousness involves large scale cortical and subcortical networks independent of task report and eye movement activity. Nature Communications 2022, 13: 7342. PMID: 36446792, PMCID: PMC9707162, DOI: 10.1038/s41467-022-35117-4.Peer-Reviewed Original ResearchConceptsSubcortical networksConscious visual perceptionVisual perception taskNeurophysiology of consciousnessExecutive control networkMajor brain networksDefault mode networkFrontal eye fieldOvert reportPerception taskVisual consciousnessConscious perceptionFusiform cortexVisual perceptionAnterior insulaConscious experienceSalience networkBrain networksMode networkAnterior cingulateEye fieldTask reportControl networkFMRI changesNeural circuits
2021
Sex differences in connectivity in the default mode network in healthy aging adults
Ficek B, Horien C, Lacadie C, Shen X, Scheinost D, Constable T, Fredericks C. Sex differences in connectivity in the default mode network in healthy aging adults. Alzheimer's & Dementia 2021, 17 DOI: 10.1002/alz.056050.Peer-Reviewed Original ResearchIntrinsic connectivity distributionDefault mode networkAlzheimer's diseaseHealthy aging adultsElevated riskAging AdultsLarge cross-sectional studyPosterior default mode networkSex differencesMode networkCross-sectional cohortCross-sectional studyPreclinical Alzheimer's diseaseSymptomatic Alzheimer's diseaseResting-state scansSex-based differencesAnterior nodeAD showDMN connectivityHealthy adultsFunctional MRI dataNormal individualsResults FemalesZ-scoreFunctional connectivity
2018
Hypoglycemia Unawareness in T1DM Is Associated with Altered Brain Default Mode Network Connectivity
GROSKREUTZ D, HWANG J, SEO D, LACADIE C, PARIKH L, BELFORT-DEAGUIAR R, SCHEINOST D, SINHA R, CONSTABLE T, SHERWIN R. Hypoglycemia Unawareness in T1DM Is Associated with Altered Brain Default Mode Network Connectivity. Diabetes 2018, 67 DOI: 10.2337/db18-11-lb.Peer-Reviewed Original ResearchDefault mode networkHypoglycemia awarenessDMN connectivityAvoidance of hypoglycemiaDefault mode network connectivityHypoglycemia symptom scoresMode network connectivityBrain connectivity patternsBOLD-fMRI scanningMannKind CorporationT1DM individualsHypoglycemia unawarenessHypoglycemic clampSymptom scoresRegeneron PharmaceuticalsGlaxoSmithKline plcPlasma cortisolState connectivityMode networkFMRI scanningHypoglycemiaElicit changesBrainFunctional networksConnectivity patterns
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