2022
Hypothalamic Functional Connectivity and Apathy in People with Alzheimer’s Disease and Cognitively Normal Healthy Controls
Chaudhary S, Zhornitsky S, Chao H, van Dyck C, Li C. Hypothalamic Functional Connectivity and Apathy in People with Alzheimer’s Disease and Cognitively Normal Healthy Controls. Journal Of Alzheimer's Disease 2022, 90: 1615-1628. PMID: 36314209, PMCID: PMC10064487, DOI: 10.3233/jad-220708.Peer-Reviewed Original ResearchConceptsMiddle temporal gyrusMild cognitive impairmentMotivation circuitsFunctional connectivityPath analysisWhole-brain regressionPCu/PCCState functional connectivityTotal scoreTemporal gyrusNeural markersCingulate cortexMemory dysfunctionRSFCHealthy controlsCognitive statusCognitive impairmentAlzheimer's diseaseApathyPrecuneusMemoryRsFCsDepressionScale total scoreCognitive subscoresEmotion Processing Dysfunction in Alzheimer’s Disease: An Overview of Behavioral Findings, Systems Neural Correlates, and Underlying Neural Biology
Chaudhary S, Zhornitsky S, Chao HH, van Dyck CH, Li CR. Emotion Processing Dysfunction in Alzheimer’s Disease: An Overview of Behavioral Findings, Systems Neural Correlates, and Underlying Neural Biology. American Journal Of Alzheimer's Disease & Other Dementias® 2022, 37: 15333175221082834. PMID: 35357236, PMCID: PMC9212074, DOI: 10.1177/15333175221082834.Peer-Reviewed Original ResearchConceptsEmotional processing deficitsProcessing dysfunctionProcessing deficitsMultiple behavioral paradigmsEmotional memoryEmotional stimuliPositive emotionsAltered emotionsNegative emotionsNeural correlatesEmotional processing dysfunctionAmygdala reactivityBehavioral findingsEmotional disordersCognitive deficitsBehavioral paradigmsProminent deficitsEmotionsAlzheimer's diseaseBehavioral studiesLongitudinal studyNoradrenergic signalingDeficitsCircuit dysfunctionMemoryCerebral Volumetric Correlates of Apathy in Alzheimer’s Disease and Cognitively Normal Older Adults: Meta-Analysis, Label-Based Review, and Study of an Independent Cohort
Chaudhary S, Zhornitsky S, Chao HH, van Dyck CH, Li CR. Cerebral Volumetric Correlates of Apathy in Alzheimer’s Disease and Cognitively Normal Older Adults: Meta-Analysis, Label-Based Review, and Study of an Independent Cohort. Journal Of Alzheimer's Disease 2022, 85: 1251-1265. PMID: 34924392, PMCID: PMC9215906, DOI: 10.3233/jad-215316.Peer-Reviewed Original ResearchConceptsAlzheimer's diseaseInferior frontal gyrusIndependent cohortEmotional scoresHealthy controlsCognitive impairmentVolumetric correlatesMini-Mental State Examination scoreAD/mild cognitive impairmentNeuroanatomical correlatesState Examination scoreApathy Evaluation ScaleGray matter volumeVoxel-based morphometryRight inferior frontal gyrusLabel-based reviewMild cognitive impairmentNormal older adultsCortical atrophyHigh morbidityBasal gangliaRight putamenMatter volumeAnterior cingulateReduced quality
2021
Cognitive dysfunction and cerebral volumetric deficits in individuals with Alzheimer's disease, alcohol use disorder, and dual diagnosis
Zhornitsky S, Chaudhary S, Le TM, Chen Y, Zhang S, Potvin S, Chao HH, van Dyck CH, Li CR. Cognitive dysfunction and cerebral volumetric deficits in individuals with Alzheimer's disease, alcohol use disorder, and dual diagnosis. Psychiatry Research Neuroimaging 2021, 317: 111380. PMID: 34482052, PMCID: PMC8579376, DOI: 10.1016/j.pscychresns.2021.111380.Peer-Reviewed Original ResearchConceptsAlcohol use disorderAlzheimer's diseaseHippocampal formationUse disordersHigher Clinical Dementia Rating Scale-SumVentricular volumeVolumetric deficitsCingulate cortexClinical Dementia Rating Scale SumCoordinating CenterSmaller hippocampal volumesLarger ventricular volumesNational Alzheimer's Coordinating CenterIsthmus cingulate cortexPosterior cingulate cortexMisuse of alcoholSuperior parietal cortexDistinct brain regionsCognitive dysfunctionHippocampal volumeInferior frontal gyrusRegional GMVHigh riskDementia severityDual diagnosis