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 20 of 82 for “"Corpus Callosum"”.
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Hypnotizability and Corpus Callosum Morphology
… excitatory neural processing, particularly the corpus callosum (CC). Participants were 18 healthy university students, aged 18 to 29, with no history of concussion or medical disorders. They were in a functional Magnetic Resonance Image (fMRI) study examining the neurophysiology of pain and …
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Corpus callosum morphology in children on mid-sagittal MR imaging
… published research on the wide variation of corpus callosum (CC) morphology in children, the assessment of which is made difficult by the complex alteration of its appearance in childhood. Objective: The purpose of our study was to assess the morphology of the CC on mid-sagittal T1- weighted …
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The genetic relationship between the corpus callosum, bipolar disorder and alcohol use
Background: The corpus callosum (CC) is a brain structure responsible for the integration of information across the two cerebral hemispheres to facilitate language, affective- and sensorimotor function. Morphological alterations in sub-regions of this structure have been observed in various …
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Sex differences in the development of the splenium of the rat corpus callosum
… in the development of the splenium of the rat corpus callosum. An HRP study, in which the trajectory in the splenium of axons with different cortical origins was mapped, revealed a rostrocaudal organization of axons in the splenium that corresponds to the rostrocaudal topography of the cortex. …
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Corpus callosum morphology in retinopathy-positive and retinopathy-negative Malawian children diagnosed with cerebral malaria
The current study investigated corpus callosum (CC) morphology in retinopathy-positive and retinopathy-negative pediatric survivors of cerebral malaria (CM). Participants were 20 children who were admitted to the Queen Elizabeth Central Hospital in Blantyre, Malawi, and satisfied the clinical case …
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The Intracellular Domain of EPHB1 Is Required for Axon Pathfinding at the Optic Chiasm and Corpus Callosum
… animals, a failure to properly form a corpus callosum. I will show that the intracellular domains of EphB1 and EphB2 are important for the guidance of callosal axons across the midline during the formation of the corpus callosum. However, opposite to the above mentioned optic chiasm …
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Lifespan Changes, Sex Differences, and Hormone Effects in the Primary Visual Cortex of the Rat and the Associated Area of the Corpus Callosum, the Splenium
Effects of aging were also investigated in Oc1 and the splenium. Examination of neuron number in aged animals (19-22 months) found that Oc1 was significantly impacted during aging, with both males and females losing neurons (18-20%) between day 90 and old age, maintaining the sex differences in …
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Quantitative Analysis of Normal-Appearing White Matter In Pediatric Phenylketonuria
… with PKU also demonstrated decreased total corpus callosum area when compared to the control group, particularly in the posterior midbody area. Although the findings of increased global white matter volumes and decreased corpus callosum areas in PKU are contradictory, they both point to …
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Opioid Addiction Treatments During Pregnancy and Their Effects on Axonal Growth and Myelination in the Developing Central Nervous System
… axonal caliber and myelination in 26-day-old rat corpus callosum. These changes, detected at the end of rapid brain myelination and accompanied by earlier oligodendrocyte maturation, suggested interference with mechanisms coordinating axonal growth and myelination. To better understand …
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Studien über die postnatale Zellproliferation im Vorderhirn der Ratte
… sich kein Hinweis auf eine Zellwanderung im Corpus callosum und Cortex.
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The longitudinal effects of HIV and ART on the developing brain: a structural MRI study using manual segmentation
… for volumes of basal ganglia structures and corpus callosum using MultiTracer. Twenty-seven individuals were rescanned to assess whether incorporation and integration of 10 year old scanner data with scans from previous ages on a different scanner was possible, as a result of decommissioning …
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Interhemispheric transfer in a marsupial : a behavioural investigation of interhemispheric transfer of visual information in Trichosurus vulpecula
… can take place in an animal which lacks a corpus callosum, and that the forebrain commissures may be the functional equivalent, in this marsupial, of the corpus callosum in eutherians. A further eight animals received mid-saggital section of the optic chiasma. Two had all other …
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WHAT IS THE EFFECT OF GLIOBLASTOMA SURGERY ON COGNITION AND QUALITY OF LIFE?
… limb of internal capsule, genu and body of the corpus callosum. Changes in diffusion microstructure metrics in these tracts associated with both preoperative and postoperative Attention impairment. Resection of tumours located in the left middle temporal gyrus, impacting the left posterior …
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Patterns of cognitive impairment in multiple sclerosis and their relationship to neuropathology on magnetic resonance imaging
… was associated with lesions in the genu of the corpus callosum and with more lesions throughout the corpus callosum. Impaired performance on Paired Associates, a test of learning and memory for novel verbal associations, was associated with a lesion in the deep white matter of the left parietal …
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Stab Wounds to Rat Brains : Demyelination, Remyelination and the Cellular Response, Particularly of Oligodendrocytes
… Following stab wounds to rat brain cortex, corpus callosum and hippocampus, the animals were examined at 4,7,11,18,23,29,45,60 and 70 days postoperation (dpo). To help in the identification of cells immunocytochemical markers for astrocytes and immature oligodendrocytes were used. These were …
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Development of a subcortical emphasized physical human head model for evaluation of deep brain source contribution to scalp EEG
… subcortical neuronal activities in thalamus and corpus callosum. Therefore, non-invasive EEG technique could be applied for monitoring brain disorders which originate at these locations.
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Attention, processing speed and executive functions in children with obstructive and communicating hydrocephalus
… of HC may lead to thinning and stretching of the corpus callosum, and also damage projection fibres, optic tracts and olfactory pathways. Consistent with this neuropathology, progressive HC in early childhood may result in neuropsychological impairment such as gross and fine motor deficits, …
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Visual Perception in Children with Spina Bifida Myelomeningocele and the Impact of Posterior Cortical Changes
… temporal gyrus). There were no relations of corpus callosum volumes to visual perception performance, but relations were noted for cortical thickness, gray matter volume, and white matter volume. The findings supported the Dennis et al. (2006) model and provided insight as to the brain …
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Overlapping phenotypes - a clinical and magnetic resonance imaging investigation of schizotypy and pervasive developmental disorders in adolescents with cognitive impairment
… (MRI) scan. Whole brain volume, midsagittal corpus callosum area and prefrontal lobe volume and gyrification index (GI) were measured using automated, semi-automated and manual region of interest techniques. The subjects in special education were considered in different groupings in three …
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LARGE-SCALE DATA ANALYSIS OF GENE EXPRESSION MAPS OBTAINED BY VOXELATION
… in prominent clusters expressed in cortex and corpus callosum. The molecular function ontology gave prominent clusters in cortex, corpus callosum and hypothalamus. The biological process ontology resulted in clusters in cortex, hypothalamus and choroid plexus. Clusters from all three ontologies …
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