نتایج جستجو برای: sylvian fissure
تعداد نتایج: 5783 فیلتر نتایج به سال:
White epidermoid of the sylvian fissure masquerading as a dermoid cyst: An extremely rare occurrence
Subcortical aphasia develops as a result of damage to subcortical brain areas without loss cortical functions. Although earlier voxel-based lesion-symptom mapping (VLSM) studies have shown possible neural correlates for aphasia, it remains be clarified which regions are associated with aphasia. The aim this study was investigate the substrates in patients stroke using VLSM and atlas-based analy...
OBJECTIVES To evaluate the time of appearance and pattern of development of fetal cerebral sulci at prenatal ultrasound. METHODS We studied 50 normal fetuses for visibility of cerebral sulci, especially sulci which appear early in anatomical studies, namely the parieto-occipital fissure, calcarine sulcus, cingulate sulcus, convexity sulci and insula/Sylvian fissure. The gestational ages of th...
BACKGROUND AND PURPOSE The middle interhemispheric variant of holoprosencephaly (MIH) is a rare malformation in which the cerebral hemispheres fail to divide in the posterior frontal and parietal regions. We herein describe the structural abnormalities of the brain in a large group of patients with MIH, compare these features with those of classic holoprosencephaly (HPE), and propose a developm...
The onset of Alzheimer's disease (AD) is accompanied by a complex and distributed pattern of neuroanatomic change, difficult to distinguish clinically from dynamic alterations in normal aging. Extreme variations in the sulcal patterns of the human cortex have made it difficult to identify diffuse and focal variations in cortical structure in neurodegenerative disease. We report the first compre...
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