Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 10 of 10 for “"Intracranial volume"”.
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Experimental Analysis of Skull Remodeling and Change in Intracranial Volume with a soft Orthosis in Canine Models
… head height. From these measurements, the intracranial volume of each beagle was estimated. All beagles were studied radiologically by plain skull x-ray, CT scan, and MRI. Functional activities were also examined. RESULTS: All 14 beagles with a soft orthosis showed very fast adaptation of …
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Segmentation of brain x-ray CT images using seeded region growing
… are addressed in this dissertation. They are intracranial volume extraction, noise suppression and automated segmentation of X-Ray Computerized Tomography (CT) images. The segmentation scheme is based on a Seeded Region Growing algorithm. The intracranial volume extraction is based on image …
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Executive Functioning as a Mediator of Relations Between Neural Structure and General Psychopathology in Pre-Adolescents
… of 87 cortical and subcortical gray matter volume (GMV) regions was conducted utilizing structural equation modeling (SEM) controlling for age, sex, total intracranial volume, and image quality. Results indicated that WM was significantly associated with all psychopathology factors, whereas …
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Computational modelling of global haemodynamics and its interaction with cerebrospinal fluid and brain dynamics with application to essential hypertension
… arterial and venous; total control of blood volume, including both the stressed and unstressed components; a physiological distribution of vas- cular compliance; a nonlinear representation of venous resistances and compliances; myogenic mechanism of cerebral blood regulation; baroreflex …
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Sex Differences in the Relationship Between Physical Activity and Cognitive Health in Ethnically Diverse Older Adults
… tau, and pTau-181. Hippocampal and subregion volumes and dorsolateral prefrontal cortex thickness were measured. Analysis of covariance was performed to examine the interaction between PA group, sex, and ethnicity for each outcome, adjusting for age, education, APOE4, cardiovascular risk, …
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Investigation of the Shared Genetic Influences on Bipolar Disorder, Borderline Personality Disorder and Regional Brain Structures
… Ncontrol=1,545), eight subcortical brain volumes (nucleus accumbens, amygdala, caudate nucleus, hippocampus, pallidum, putamen and thalamus) and intracranial volume (ICV) (N=27,087), and cortical surface area and thickness (N=37,479) were obtained. Pleiotropy and concordance were assessed …
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Multimodal neuroimaging signatures of early cART-treated paediatric HIV - Distinguishing perinatally HIV-infected 7-year-old children from uninfected controls
… 7 MRI-derived sets. For sMRI, 42 regional brain volumes (1st set), mean cortical thickness and gyrification in 68 brain regions (2nd and 3rd set) were used. For DTI data: radial (RD), axial (AD), mean (MD) diffusivities, and fractional anisotropy (FA) in each of 20 atlas regions were extracted …
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Differences in callosal and subcortical volumes and associated neurobehavioural deficits in children with prenatal alcohol exposure
… considered the gold standard of neuroanatomical volumetric analysis. Combined with neurobehavioural testing it can provide links between structure and function, but is time consuming and labour intensive. Automated segmentation programmes, such as FreeSurfer, are a faster alternative. The …
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The genetic relationship between the corpus callosum, bipolar disorder and alcohol use
… of 40,894 individuals from the UK Biobank. The volume of the five subregions of the CC (posterior, mid-posterior, central, mid-anterior and anterior) were extracted using FreeSurfer v7.1. Multivariate GWAS was run combining volumes of all CC subregions. Multivariate GWAS was conducted to boost …
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Intrakranielle Volumenänderungen im Magnetresonanztomogramm (MRT) und neuropsychologische Veränderungen bei Patienten mit MCI (Mild Cognitive Impairment)
… Kleinhirn, Temporallappen, Hippokampi, Ventrikelvolumen) und neuropsychologischer Testleitungen (WMS-R Logical Memory I & II, WMS-R Visual Reproduction I & II (Wechsler Memory Scale - revised) sowie HAWIE-R (Hamburg Wechsler Intelligence Examination - revised) ) verglichen.Sämtliche …