Bio-X
Showing 761-770 of 1,149 Results
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Anthony Norcia
Professor (Research) of Psychology, Emeritus
Current Research and Scholarly InterestsVision, development, functional imaging, systems analysis
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Roeland Nusse
Virginia and Daniel K. Ludwig Professor of Cancer Research
Current Research and Scholarly InterestsOur laboratory studies Wnt signaling in development and disease. We found recently that Wnt proteins are unusual growth factors, because they are lipid-modified. We discovered that Wnt proteins promote the proliferation of stem cells of various origins. Current work is directed at understanding how Wnt signals lead to the proliferation of stem cells and on understanding Wnt signaling during repair and regeneration after tissue injury.
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Paul Nuyujukian
Assistant Professor of Bioengineering and of Neurosurgery
Current Research and Scholarly InterestsOur group explores neuroengineering and its application to both basic and clinical neuroscience. Our goal is to develop brain-machine interfaces as a platform technology for a variety of brain-related medical conditions including stroke and epilepsy.
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Dáibhid Ó Maoiléidigh, PhD
Assistant Professor of Otolaryngology - Head & Neck Surgery (OHNS)
Current Research and Scholarly InterestsThe Ó Maoiléidigh group employs mathematical and computational approaches to better understand normal hearing and hearing impairment. Because complete restoration of auditory function by artificial devices or regenerative treatments will only be possible when experiments and computational modeling align, we work closely with experimental laboratories. Our goal is to understand contemporary experimental observations, to make experimentally testable predictions, and to motivate new experiments. We are pursuing several projects.
Hair-Bundle Mechanics
Auditory and balance organs rely on hair cells to convert mechanical vibrations into electrical signals for transmission to the brain. In response to the quietest sounds we can hear, the hair cell's mechanical sensor, the hair bundle, moves by less than one-billionth of a meter. To determine how this astounding sensitivity is possible, we construct computational models of hair-bundle mechanics. By comparing models with experimental observations, we are learning how a hair bundle's geometry, material properties, and ability to move spontaneously determine its function.
Cochlear Mechanics
The cochlea contains the auditory organ that houses the sensory hair cells in mammals. Vibrations in the cochlea arising from sound are amplified more than a thousandfold by the ear's active process. New experimental techniques have additionally revealed that the cochlea vibrates in a complex manner in response to sound. We use computational models to interpret these observations and to make hypotheses about how the cochlea works. -
Lucy Erin O'Brien
Associate Professor of Molecular and Cellular Physiology
Current Research and Scholarly InterestsMany adult organs tune their functional capacity to variable levels of physiologic demand. Adaptive organ resizing breaks the allometry of the body plan that was established during development, suggesting that it occurs through different mechanisms. Emerging evidence points to stem cells as key players in these mechanisms. We use the Drosophila midgut, a stem-cell based organ analogous to the vertebrate small intestine, as a simple model to uncover the rules that govern adaptive remodeling.
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Lauren O'Connell
Associate Professor of Biology
Current Research and Scholarly InterestsThe O'Connell lab studies how genetic and environmental factors contribute to biological diversity and adaptation. We are particularly interested in understanding (1) how behavior evolves through changes in brain function and (2) how animal physiology evolves through repurposing existing cellular components.
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Jelena Obradović
Professor of Education
Current Research and Scholarly InterestsAdaptation, resilience, and developmental psychopathology of disadvantaged children populations; Stress reactivity and biological sensitivity to contextual influences; Executive function and self-regulatory abilities; Effects of risk, adversity, and social status on children’s development.
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Allison Okamura
Richard W. Weiland Professor in the School of Engineering and Professor of Mechanical Engineering
Current Research and Scholarly InterestsMy research focuses on developing the principles and tools needed to realize advanced robotic and human-machine systems capable of physical interaction. Application areas include surgery, simulation and training, rehabilitation, prosthetics, neuromechanics, exploration of hazardous and remote environments (e.g. space), design, and education.
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Derick Okwan
Assistant Professor of Pathology
Current Research and Scholarly InterestsBroadly, the Okwan lab’s primary interest is to understand how and why the immune system contributes to nearly all chronic diseases. The immune system of the modern human has evolved from a history of stress to the species: famines, continual bouts of lethal pandemics, as well as major climate/environmental and migratory changes that exposed the immune system to novel threats. At the forefront of these challenges are innate immune cells, particularly neutrophils, the most abundant leukocytes. For the first time in human history – at least in the western world- we live in an era of abundance. The Okwan lab is interested in understanding how this traumatic history creates a functional mismatch for the neutrophil, which we believe underpins their roles in chronic diseases of the modern era: cancer, cardiovascular disease, neurodegeneration, and autoimmune disorders. Rather than wholesale depletion of neutrophils and innate immune cells, we seek to identify novel approaches to leverage these cells to combat various diseases.
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Eric Olcott
Professor of Radiology (Veterans Affairs), Emeritus
Current Research and Scholarly InterestsBody imaging utilizing CT, ultrasound and MRI. Imaging of appendicitis. Imaging of pancreatic and biliary malignancies. Imaging of trauma. Magnetic resonance angiography.