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 322 for “"Nerves"”.
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MODELING INTERFASCICULAR INTERFACES FOR PERIPHERAL NERVES
<p>Stimulation electrodes with higher levels of selectivity than currently available are required to restore limb function, especially in the upper extremity. One strategy to increase the selectivity of an electrode is to move it closer to the target axons. A balance between selectivity and …
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Role of the renal nerves in hypertension
… trials showing that ablation of the renal nerves (renal denervation; RDNX) has a significant antihypertensive effect in drug resistant patients. However, failure of the most recent sham-controlled trial has raised many questions regarding this treatment. Chief among them is whether the …
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Regeneration of Peripheral Nerves Using Neuroinductive Biomaterial Scaffolds
… neuromuscular regeneration in keratin-treated nerves. Furthermore, keratin was found to promote functional regeneration over a critical size defect in a large animal model. Investigations into the mechanism by which keratins act on regenerative cells suggest that activation of Schwann cells is …
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Destruction of Corneal Nerves Promotes Corneal Allograft Rejection
… demonstrates that the destruction of the corneal nerves in one eye fundamentally alters the expression of the immunoregulatory neuropeptides in the contralateral eye. The altered expression of these neuropeptides inhibits both the induction and maintenance of immune privilege. The alteration in …
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Modeling the electrical stimulation of peripheral vestibular nerves
… of such a device are the peripheral nerves responsible for transmitting rotational information to the brain. Although stimulation of such nerves has been performed in human and animal patients, little is known about the mechanisms responsible for the eliciting nerve responses. Models …
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Strategies for optogenetic stimulation of deep tissue peripheral nerves
… selectively target optogenetic subsets of motor nerves, and (3) a method for extending optogenetic expression strength and timecourse. The work is important because it lays the foundation for future advancements in optogenetic peripheral nerve stimulation in both a scientific and clinical context.
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Electrochemical Modulation of Peripheral Nerves Using Ion-Selective Electrodes
New methods of locally delivering chemicals to biological systems have emerged in recent years, but nearly all are limited by their reliance on finite capacities of therapeutic stock which require physical access for restoration or replacement. In this thesis, I examine the ion-selective membrane …
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Effects of REM Sleep Deprivation on Trigeminal Nerves: Increased Thermal Sensitivity
… Sensitization and activation of trigeminal nerves, which provide sensory innervation to much of the head and face and mediate pain and inflammation, are implicated in the underlying pathology of these diseases. I hypothesized that sleep deprivation would cause sensitization of trigeminal …
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Interaction between Adrenergic and Nitric Oxide-releasing Nerves in Cerebral Arteries
… of which adrenergic and nitric oxide-releasing nerves are components. My research examined the interaction between these two nerve-types with emphasis on the mechanisms involved as well as on changes in their functions as the animal adapts to stress such as chronic hypoxia.</p> <p>An overview of …
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Modelling Artificial Stimulation and Response in Peripheral Nerves Including Ephaptic Interactions
… our knowledge on the response of peripheral nerves to artificial stimulation for sensory feedback provision from neural interfaces, and (2) create a computational tool to facilitate this study. We were interested in studying how ephaptic coupling between myelinated fibers influences activity …
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Estimation of the distribution of conduction velocities in intact peripheral nerves.
Thesis. 1977. Ph.D.--Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science.
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VEGF and Sympathetic Perivascular Nerves Contribute to Hypoxic Remodeling of Ovine Cranial Arteries
… on SM cells and indirectly through perivascular nerves. Using a chronic hypoxia sheep model, this work demonstrated that: 1) hypoxia potently upregulates VEGF receptor expression but not endogenous VEGF level in fetal ovine carotid arteries; 2) both chronic hypoxia and VEGF exert similar effects …
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Study of damage to peripheral nerves caused by anaesthetic needles during regional anaesthesia
… needles.<br/><br/><b>Methods and Materials</b>: Nerves resected from Thiel, soft embalmed human cadavers (Thiel nerves) and fresh cadaveric human nerves (Fresh nerves) were used in the study as specimens. Microultrasound scanning using a 30 MHz and 45 MHz transducer, gave an image resolution …
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Weak nerves in China: Neurasthenia-depression controversy as a window on psychiatric nosology
… the context of a long historical discourse of “nerves” and “nervousness,” but that SJSR became a salient conceptual category in the absence of any such historical discourse. As such, it became a temporally, geographically, and culturally specific mode of manifesting human distress and inner …
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Blood vessels and nerves of the face in rodents with and without cheek pouches
Thesis (M.A.)--Boston University, 1947. This item was digitized by the Internet Archive.
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Long term functional and morphological evaluation of peripheral nerves regenerated through degradable collagen implants
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1996.
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