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The hippocampus is among the first structures affected in Alzheimer's disease (AD); hippocampal MRI volumetry is a potential biomarker for AD but is hindered by the limitations of manual segmentation. We propose a fully automatic method using probabilistic and anatomical priors for hippocampus segmentation. Probabilistic information is derived from 16 young controls and anatomical knowledge is modeled...
The hippocampus is the brain structure of highest and earliest structural alteration in Alzheimer's disease (AD). New developments in neuroimaging methods recently made it possible to assess the respective involvement of the different hippocampal subfields by mapping atrophy on a 3D hippocampal surface view. In this longitudinal study on patients with mild cognitive impairment (MCI), we used such...
Transient global amnesia (TGA) is characterized by a profound but transient deficit of episodic memory. The study of cerebral blood flow and oxygen metabolism with positron emission tomography (PET) provides relevant pathophysiologic data, but only three patients have been reported so far and in only one was concomitant neuropsychological testing performed. We report here the concomitant neuropsychological...
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