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The effects of diffuse brain injury on dendritic morphology in rat hippocampus and cortex were examined in this study using the recently described impact acceleration model of traumatic brain injury (Marmarou et al., 1994). Dendritic structure was visualized using immunostaining of microtubule associated protein-2 (MAP-2). Brains were studied 24, 48, and 72(More)
The behavioral and histological effects of the lateral fluid percussion (LFP) brain injury model were compared with the weight drop impact-acceleration model with 10 min of secondary hypoxia (WDIA + H). LFP injury resulted in significant motor deficits on the beam walk and inclined plane, and memory deficits on the radial arm maze and Morris water maze.(More)
Traumatic brain injury (TBI) can dramatically increase levels of intracellular calcium ([Ca(2+)](i)). One consequence of increased [Ca(2+)](i) would be altered activity and function of calcium-regulated proteins, including calcium-calmodulin-dependent protein kinase II (CaMKII), which is autophosphorylated on Thr(286)(pCaMKII(286)) in the presence of(More)
Impairments in learning and memory occur in as many as 50% of patients following traumatic brain injury (TBI). Similar impairments occur in rodent models of TBI, and the development of new memory testing procedures provides an opportunity to examine how TBI affects memory processing in specific neural memory systems. Specifically, metric, topological, and(More)
We have developed an algorithm for real-time volumetric image reconstruction and 3D tumor localization based on a single x-ray projection image. We first parameterize the deformation vector fields (DVF) of lung motion by principal component analysis (PCA). Then we optimize the DVF applied to a reference image by adapting the PCA coefficients such that the(More)
PURPOSE Overlapping volume histogram (OVH) and distance-to-target histogram (DTH) calculations rely on the assumption that dose gradients are symmetric with respect to primary target volume (PTV) expansion and minimum distance to PTV surface, respectively. It is desirable to lift this assumption and instead account for achievable modality-specific dose(More)
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