Driver screening for older adults.
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Accidents, Traffic↗
Biomedical subjects
L Jaime Fitten
Publications and source records attributed to L Jaime Fitten.
Reduction in distractibility with AF102B and THA in the macaque.
Distractibility in primates may be influenced by central cholinergic systems. Two cholinomimetics, the m-1 muscarinic agonist (+/-)-cis-2-methyl-spiro(1,3-oxathiolane-5,3')quinuclidine (AF102B, civemeline) and the cholinesterase inhibitor tetrahydroaminoacridine (THA, tacrine), were compared to vehicle controls for effects on distractibility in an automated visuospatial attention task. The task required visual pursuit of a moving target amongst distractor stimuli that acted to impair performance and was executed by seven healthy adult bonnet macaque monkeys. Task accuracy and reaction time were measured 1.5 h after systemic administration of each substance. For the seven-subject group at individually titrated best doses, accuracy increased significantly relative to vehicle for both drugs. Reaction time at best dose decreased for both drugs, but not significantly. Muscarinic agonists and cholinesterase inhibitors may reduce distractibility in primates.
Animals↗
The ethics of conducting research with older psychiatric patients.
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Aged↗
Neuropsychiatric and behavioral symptoms in a community sample of Hispanics with Alzheimer's disease.
The purpose of this study was to characterize and compare neuropsychiatric symptoms in a sample of 367 community-dwelling subjects: 70 Hispanics and 230 non-Hispanic white patients with Alzheimer's disease, and 22 Hispanics and 45 non-Hispanic white healthy age-matched controls. Neuropsychiatric symptoms were common among all patients with Alzheimer's disease. In the Alzheimer's disease groups, Hispanic subjects presented to the initial assessment with more symptoms than non-Hispanic white subjects did. In comparison to the non-Hispanic white population, the proportion of Hispanics with neuropsychiatric and behavioral symptoms was higher. These findings have implications for differential sociocultural presentations of Alzheimer's disease among ethnic/racial groups.
Age Factors↗