2023
Correlation between changes in apathy and global cognition in apathetic associated with Alzheimer's disease: analysis of the Apathy Dementia Methylphenidate 2 (ADMET 2) clinical trial
Lanctôt K, Sankhe K, Perin J, Herrmann N, Brawman-Mintzer O, Lerner A, Mintzer J, Padala P, Rosenberg P, Shade D, van Dyck C, Porsteinsson A. Correlation between changes in apathy and global cognition in apathetic associated with Alzheimer's disease: analysis of the Apathy Dementia Methylphenidate 2 (ADMET 2) clinical trial. American Journal Of Geriatric Psychiatry 2023, 31: s100-s101. DOI: 10.1016/j.jagp.2022.12.146.Peer-Reviewed Original ResearchDigit Span BackwardMini-Mental Status ExaminationSelective attentionGlobal cognitionApathy scoresGreater cognitive declineExecutive functionDigit spanCognitive testsCognitionMethylphenidate groupApathy symptomsCognitive declineSignificant apathyMethylphenidateCognitive impairmentStatus ExaminationApathy subscaleMemoryChange scoresApathyDisease dementiaAlzheimer's disease dementiaParticipantsAttention
2022
Synaptic density and cognitive performance in Alzheimer's disease: A PET imaging study with [11C]UCB‐J
Mecca AP, O'Dell RS, Sharp ES, Banks ER, Bartlett HH, Zhao W, Lipior S, Diepenbrock NG, Chen M, Naganawa M, Toyonaga T, Nabulsi NB, Vander Wyk B, Arnsten AFT, Huang Y, Carson RE, van Dyck C. Synaptic density and cognitive performance in Alzheimer's disease: A PET imaging study with [11C]UCB‐J. Alzheimer's & Dementia 2022, 18: 2527-2536. PMID: 35174954, PMCID: PMC9381645, DOI: 10.1002/alz.12582.Peer-Reviewed Original ResearchConceptsSynaptic densityEarly Alzheimer's diseaseAlzheimer's diseaseCognitive performanceMajor pathological correlateGray matter volumePositron emission tomography (PET) imagingEmission Tomography ImagingPET imaging studiesIndividual cognitive domainsNeuropathologic studiesSignificant positive associationSynapse lossSynaptic alterationsPathological correlatesNeuropsychological test performanceMatter volumeCognitive impairmentSignificant associationImaging studiesDiseaseTomography imagingGlobal cognitionStrongest predictorPositive association