MRI links brain region to dementia, auditory deterioration

MRI scans have identified an area of the brain associated with a rare form...Read more on AuntMinnie.comRelated Reading: Alzheimer's biomarkers could affect races differently MRI offers possible link between microbleeds, Alzheimer's New Alzheimer's definition relies on imaging biomarkers MRI measures brain atrophy in Alzheimer's Functional MRI shows how certain brain regions deteriorate with age
Source: Headlines - Category: Radiology Source Type: news

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We present the theoretical considerations of f-FTLD and the aims/objectives of this protocol. We also describe the design and methodology for evaluating and rating subjects, in which detailed clinical and neuropsychological assessments are performed, biofluid samples are collected, and magnetic resonance imaging scans are performed using a standard protocol.DiscussionThese data and samples, which are available to interested investigators worldwide, will facilitate planning for upcoming disease-modifying therapeutic trials in f-FTLD.
Source: Alzheimer's and Dementia: The Journal of the Alzheimer's Association - Category: Geriatrics Source Type: research
Brain maps based on functional MRI (fMRI) scans are proving useful in predicting...Read more on AuntMinnie.comRelated Reading: Can MRI of healthy brains explain head trauma damage? Advanced MRI technique confirms dementia risk PET, MRI show physical activity aids brain health MRI links brain region to dementia, auditory deterioration DTI-MRI offers window into Alzheimer's risk
Source: Headlines - Category: Radiology Source Type: news
DiscussionOur results suggest a sexual dimorphism in BACE1-related upstream mechanisms of brain Aβ production and deposition. We argue that plasma BACE1 should be considered in further biomarker validation and qualification studies as well as in BACE1 clinical trials.
Source: Alzheimer's and Dementia: The Journal of the Alzheimer's Association - Category: Geriatrics Source Type: research
It seems that the tipping point has been reached in the Alzheimer's research and development community, in the sense that it is becoming more widely accepted that new approaches are needed. The failure to produce significant benefits to patients via clearance of amyloid from the brain by immunotherapy has spurred a great deal of theorizing, and several new and promising lines of work. For example, working on restoring age-related declines in drainage of cerebrospinal fluid might remove all metabolic waste from the brain. Alternatively, a focus on neuroinflammation and the role of dysfunctional microglia is suggested, parti...
Source: Fight Aging! - Category: Research Authors: Tags: Daily News Source Type: blogs
The objective of this study was to assess the usefulness of the appropriate use criteria (AUC) for amyloid imaging in an unselected cohort.MethodsWe calculated sensitivity and specificity of appropriate use (increased confidence and management change), as defined by Amyloid Imaging Taskforce in the AUC, and other clinical utility outcomes. Furthermore, we compared differences in post–positron emission tomography diagnosis and management change between “AUC-consistent” and “AUC-inconsistent” patients.ResultsAlmost half (250/507) of patients were AUC-consistent. In both AUC-consistent and AUC-in...
Source: Alzheimer's and Dementia: The Journal of the Alzheimer's Association - Category: Geriatrics Source Type: research
Our aim was to investigate the association between behavioral symptoms of agitation, disinhibition, irritability, elation, and aberrant motor behavior to frontal brain volumes in a cohort with various neurodegenerative diseases. A total of 121 patients with mild cognitive impairment (MCI, n = 58), Alzheimer's disease (AD, n = 45) and behavioral variant frontotemporal dementia (bvFTD, n = 18) were evaluated with a Neuropsychiatric Inventory (NPI). A T1-weighted MRI scan was acquired for each participant and quantified with a multi-atlas segmentation method. The volumetric MRI measures of the frontal lobes were associated wi...
Source: Frontiers in Neurology - Category: Neurology Source Type: research
After spending 30 minutes hunting for your car in a parking lot, or getting lost on a familiar route, have you ever considered asking your doctor for a blood test or brain scan to find out if you have Alzheimer’s disease? A number of factors contribute to Alzheimer’s disease. By definition, this form of dementia involves the buildup of a protein in brain called beta-amyloid. Beta-amyloid forms plaques that disrupt communication between brain cells, and ultimately destroys them. For this reason, tests for Alzheimer’s disease focus on beta-amyloid. Blood tests for Alzheimer’s disease are being develop...
Source: Harvard Health Blog - Category: Consumer Health News Authors: Tags: Alzheimer's Disease Healthy Aging Memory Tests and procedures Source Type: blogs
DiscussionMI alone or in combination with omega-3 fatty acids was associated with improved primary cognitive outcome in subjects with positive amyloid status.Trial Identifier: NCT01513252.
Source: Alzheimer's and Dementia: The Journal of the Alzheimer's Association - Category: Geriatrics Source Type: research
AbstractNeuroimaging can provide important biomarkers and is very useful for supporting dementia diagnosis. This review summarizes the neuroimaging findings of dementia with Lewy bodies (DLB), frontotemporal lobar degeneration (FTLD), and normal pressure hydrocephalus (NPH). In DLB, medial temporal atrophy is milder than that of Alzheimer ’s disease. 2-fluoro-2-deoxy-d-glucose-positron emission tomography and brain perfusion single-photon emission computed tomography demonstrate hypometabolism and hypoperfusion in the occipital lobe, in addition to decreased metabolism and perfusion in the parietotemporal, posterior ...
Source: Japanese Journal of Radiology - Category: Radiology Source Type: research
In this study, researchers studied 438,952 participants in the UK Biobank, who had a total of 24,980 major coronary events - defined as the first occurrence of non-fatal heart attack, ischaemic stroke, or death due to coronary heart disease. They used an approach called Mendelian randomisation, which uses naturally occurring genetic differences to randomly divide the participants into groups, mimicking the effects of running a clinical trial. People with genes associated with lower blood pressure, lower LDL cholesterol, and a combination of both were put into different groups, and compared against those without thes...
Source: Fight Aging! - Category: Research Authors: Tags: Newsletters Source Type: blogs
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