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Article
Decreased grey matter volume in mTBI patients with post-traumatic headache compared to headache-free mTBI patients and healthy controls: a longitudinal MRI study
Traumatic brain injury (TBI) occurs in 1.7 million people annually and many patients go on to develop persistent disorders including post-traumatic headache (PTH). PTH is considered chronic if it continues pas...
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Chapter
Diffusion Kurtosis Imaging
Diffusion Kurtosis Imaging (DKI) is an advanced imaging technique that expands the utility of diffusion-weighted imaging (DWI) and diffusion tensor imaging (DTI). Kurtosis is a measure of skewness of the shape...
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Article
Quantification of shoulder muscle intramuscular fatty infiltration on T1-weighted MRI: a viable alternative to the Goutallier classification system
Quantification of rotator cuff intramuscular fatty infiltration is important for clinical decision-making in patients with rotator cuff tear. The semi-quantitative Goutallier classification system is the most ...
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Article
Altered segregation between task-positive and task-negative regions in mild traumatic brain injury
Changes in large-scale brain networks that accompany mild traumatic brain injury (mTBI) were investigated using functional magnetic resonance imaging (fMRI) during the N-back working memory task at two cogniti...
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Article
Adjusting for Confounders in Cross-correlation Analysis: an Application to Resting State Networks
Resting State Network (RSN) analysis investigates spontaneous brain activity when the brain is not subjected to any external stimuli. The interest in RSN analysis lies primarily in understanding the interactio...
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Article
Cortical multisensory connectivity is present near birth in humans
How the newborn brain adapts to its new multisensory environment has been a subject of debate. Although an early theory proposed that the brain acquires multisensory features as a result of postnatal experienc...
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Chapter and Conference Paper
Estimation of Fiber Orientations Using Neighborhood Information
Diffusion magnetic resonance imaging (dMRI) has been used to noninvasively reconstruct fiber tracts. Fiber orientation (FO) estimation is a crucial step in the reconstruction, especially in the case of crossin...
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Article
Hyper-connectivity of the thalamus during early stages following mild traumatic brain injury
The thalamo-cortical resting state functional connectivity of seven sub-thalamic regions were examined in a prospectively recruited population of 77 acute mild TBI (mTBI) patients within the first 10 days (mea...
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Article
Erratum to: Associations between interhemispheric functional connectivity and the Automated Neuropsychological Assessment Metrics (ANAM) in civilian mild TBI
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Article
Associations between interhemispheric functional connectivity and the Automated Neuropsychological Assessment Metrics (ANAM) in civilian mild TBI
This study investigates cognitive deficits and alterations in resting state functional connectivity in civilian mild traumatic brain injury (mTBI) participants with high and low symptoms. Forty-one mTBI partic...
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Chapter and Conference Paper
Visual Knowledge Discovery for Diffusion Kurtosis Datasets of the Human Brain
Classification and visualization of structures in the human brain provide vital information to physicians who examine patients suffering from brain diseases and injuries. In particular, this information is use...
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Chapter
In Vivo MRI and MRS of Cerebrovascular Function Following Traumatic Brain Injury
Traumatic brain injury (TBI) is a leading cause of death and disability resulting in reduced quality of life for the patients and a significant economic burden to the society. Advances in magnetic resonance im...
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Article
Three-dimensional Elastic Image Registration Based on Strain Energy Minimization: Application to Prostate Magnetic Resonance Imaging
The use of magnetic resonance (MR) imaging in conjunction with an endorectal coil is currently the clinical standard for the diagnosis of prostate cancer because of the increased sensitivity and specificity of...
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Chapter and Conference Paper
Prognostic Ability of Diffusion Tensor Imaging Parameters among Severely Injured Traumatic Brain Injury Patients
Diffuse axonal injury (DAI) represents the most common primary intra-axial form of traumatic brain injury (TBI), comprising approximately half of all such injuries. Patients presenting with DAI follow a highly...
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Article
Functional MRI determination of a dose-response relationship to lower extremity neuromuscular electrical stimulation in healthy subjects
Although empirical evidence supports the use of neuromuscular electrical stimulation (NMES) to treat physical impairments associated with stroke, the mechanisms underlying the efficacy of this modality are poo...
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Article
Requirements of functional imaging for future radiological systems
Although functional imaging is relatively new, it is evident that in the future a complete work-up of the brain would include functional imaging as described above. Since the data collected is extremely large ...