نتایج جستجو برای: cortical thickness
تعداد نتایج: 210457 فیلتر نتایج به سال:
Besides normal aging, a number of brain diseases are known to reduce the amount of grey matter in the brain. To better understand the nature and progression of these disease processes, quantitative measurements of relevant brain structures, such as the regional cortical thickness, are highly desirable. Starting from high resolution volumetric MR images of the human head, a reliable segmentation...
The current study provides a complete MRI analysis of thickness throughout the cerebral cortical mantle in patients with schizophrenia (SZ) and rigorously screened and matched unaffected relatives and controls and an assessment of its relation to psychopathology and subjective cognitive function. We analyzed 3D-anatomical magnetic resonance imaging data sets, obtained at 3 Tesla, from three dif...
Introduction The overall goal of this master's project is to study the effect of aging on the thickness of the cerebral cortex. There are three inherent challenges in this project: Creating a coherent definition of cortical thickness. Implementing that definition numerically in the context of real MRI data. Applying the thickness implementation to a real dataset of an aging population, and inte...
BACKGROUND Findings from postmortem studies suggest reduced prefrontal cortical thickness in schizophrenia; however, cortical thickness in first-episode schizophrenia has not been evaluated using magnetic resonance imaging (MRI). METHODS Prefrontal cortical thickness was measured using MRI in first-episode schizophrenia patients (n = 17), first-episode affective psychosis patients (n = 17), a...
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