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This database contains 70 studies, archived under the term: "brain"

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Motor effects of REAC in advanced Alzheimer’s disease: results from a pilot trial

We conducted a pilot, randomized, controlled trial to mainly investigate the feasibility, safety, and short-term motor effects of brain stimulation with radio electric asymmetric conveyer (REAC) technology in patients with advanced Alzheimer’s disease (AD) who also experience some gait dysfunction. Neuropostural optimization (NPO) or sham protocol was administered to 31 nursing home patients (mean [SD] […]

18F-FDG PET and perfusion SPECT in the diagnosis of Alzheimer and Lewy body dementias

Unlabelled: Brain imaging with glucose ((18)F-FDG) PET or blood flow (hexamethylpropyleneamine oxime) SPECT is widely used for the differential diagnosis of dementia, though direct comparisons to clearly establish superiority of one method have not been undertaken.; Methods: Subjects with Alzheimer disease (AD; n = 38) and dementia with Lewy bodies (DLB; n = 30) and […]

Memantine versus donepezil in mild to moderate Alzheimer’s disease: a randomized trial with magnetic resonance spectroscopy

Background and Purpose: To compare memantine with the most prescribed cholinesterase inhibitor (donepezil) from a clinical viewpoint when administered in early phases of Alzheimer disease (AD), and to find out whether memantine may produce changes in brain metabolite concentrations in comparison with donepezil.; Methods: In this comparative rater-blinded parallel group randomized trial we recruited a […]

Evaluation of Parkinson disease and Alzheimer disease with the use of neuromelanin MR imaging and (123)I-metaiodobenzylguanidine scintigraphy

Background and Purpose: Progressive changes in the substantia nigra pars compacta and locus ceruleus of patients with Parkinson disease and Alzheimer disease visualized by neuromelanin MRI and cardiac postganglionic sympathetic nerve function on (123)I-metaiodobenzylguanidine scintigraphy have not been fully evaluated. We compared the diagnostic value of these modalities among patients with early Parkinson disease, late […]

Visuospatial memory and neuroimaging correlates in mild cognitive impairment

Spatial abilities decline in normal aging and decrease faster and earlier in Alzheimer’s disease (AD), but these deficits are under investigated. The main goals of this study were to assess visuospatial memory abilities in mild cognitive impairment (MCI), in order to verify whether these tasks might be valid as the standard cognitive test to differentiate […]

Effect of a computerized brain exercise program on cognitive performance in older adults

Objectives: Research indicates an association between stimulating mental activities and better memory performance as people age, but studies on computerized mental stimulation programs are limited. We explored whether computerized brain training exercises improved cognitive performance in older adults.; Methods: In local retirement communities, a convenience sample was randomized into an intervention group (N = 36), […]

In vivo assessment of amyloid-β deposition in nondemented very elderly subjects

Objective: This study examined amyloid-β (Aβ) deposition in 190 nondemented subjects aged ≥82 years to determine the proportion of Aβ-positive scans and associations with cognition, apolipoprotein E (APOE) status, brain volume, and Ginkgo biloba (Gb) treatment.; Methods: Subjects who agreed to participate had a brain magnetic resonance imaging and positron emission tomography scan with (11) […]

Cognitive functions in a patient with Parkinson-dementia syndrome undergoing deep brain stimulation

Background: Dementia represents one of the most challenging health problems. Despite intense research, available therapies have thus far only achieved modest results. Deep brain stimulation (DBS) is an effective treatment option for some movement disorders and is under study for psychiatric applications. Recently, diencephalic DBS revealed selective effects on memory functions, another facet of subcortical […]

The effect of souvenaid on functional brain network organisation in patients with mild Alzheimer’s disease: a randomised controlled study

Background: Synaptic loss is a major hallmark of Alzheimer’s disease (AD). Disturbed organisation of large-scale functional brain networks in AD might reflect synaptic loss and disrupted neuronal communication. The medical food Souvenaid, containing the specific nutrient combination Fortasyn Connect, is designed to enhance synapse formation and function and has been shown to improve memory performance […]

Memantine in patients with Parkinson’s disease dementia or dementia with Lewy bodies: a double-blind, placebo-controlled, multicentre trial

Background: Dementia with Lewy bodies (DLB) and Parkinson’s disease dementia (PDD) are common forms of dementia that substantially affect quality of life. Currently, the only treatment licensed for PDD is rivastigmine, and there are no licensed treatments for DLB. We aimed to test the safety and efficacy of the N-methyl D-aspartate (NMDA) receptor antagonist memantine […]

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