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Displaying 1 to 5 of 5 results for traumatic brain injury

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  • Auditory Brainstem Laboratory

    The overall goal of the Auditory Brainstem Library is to understand how abnormal auditory input from the ear affects the brainstem, and how the brain in turn affects activity in the ear through efferent feedback loops. Our emphasis is on understanding the effects of different forms of acquired hearing loss (genetic, conductive, noise-induced, age-related, traumatic brain injury-related) and environmental noise. We are particularly interested in plastic changes in the brain that compensate for some aspects of altered auditory input, and how those changes relate to central auditory processing deficits, tinnitus, and hyperacusis. Understanding these changes will help refine therapeutic strategies and identify new targets for treatment. We collaborate with other labs in the Depts. of Otolaryngology, Neuroscience, Neuropathology, the Wilmer Eye Institute, and the Applied Physics Laboratory at Johns Hopkins, in addition to labs outside the university to increase the impact and clinical relev...ance of our research. view more

    Research Areas: hearing disorders, compound action potentials, auditory brainstem response, otoacoustic emissions, operation conditions, audiology, acoustic startle modification, hearing, neurology

  • Courtney Robertson Lab

    Work in the Courtney Robertson Lab is focused on identifying interventions that could minimize the neurological deficits that can persist after pediatric traumatic brain injury (TBI). One study used a preclinical model to examine potential disruption of mitochondrial function and alterations in cerebral metabolism. It was found that a substantial amount of mitochondrial dysfunction is present in the first six hours after TBI. In addition, we are using nuclear magnetic resonance spectroscopy to evaluate global and regional alterations in brain metabolism after TBI. We're also collaborating with researchers at the University of Pennsylvania to compare mitochondrial function after head injury in different clinically relevant models.

    Research Areas: traumatic brain injuries, magnetic resonance spectroscopy, pediatrics, mitochondria, pediatric critical care medicine

  • Healthy Brain Program

    The Brain Health Program is a multidisciplinary team of faculty from the departments of neurology, psychiatry, epidemiology, and radiology lead by Leah Rubin and Jennifer Coughlin. In the hope of revealing new directions for therapies, the group studies molecular biomarkers identified from tissue and brain imaging that are associated with memory problems related to HIV infection, aging, dementia, mental illness and traumatic brain injury. The team seeks to advance policies and practices to optimize brain health in vulnerable populations while destigmatizing these brain disorders.

    Current and future projects include research on: the roles of the stress response, glucocorticoids, and inflammation in conditions that affect memory and the related factors that make people protected or or vulnerable to memory decline; new mobile apps that use iPads to improve our detection of memory deficits; clinical trials looking at short-term effects of low dose hydrocortisone and randomized to 28 day...s of treatment; imaging brain injury and repair in NFL players to guide players and the game; and the role of inflammation in memory deterioration in healthy aging, patients with HIV, and other neurodegenerative conditions. view more

    Research Areas: HIV infection, mental illness, aging, traumatic brain injury, dementia

  • Rebecca Riggs Lab

    Research in the Rebecca Riggs Lab focuses on developing safer, less-invasive ways to detect traumatic brain injury and abusive head trauma. We are exploring the use of bedside ophthalmic ultrasonography to find retinal lesions associated with abusive head trauma, as well as investigating the use of other types of sonography to monitor intracranial hypertension. Such tools would be safer than current methods, which are often invasive or emit high levels of radiation. Additionally, portable monitors could be used outside of the hospital, in settings such as football games, to better and more quickly diagnose concussions.

    Research Areas: traumatic brain injuries, patient safety, sonography, hypertension

  • The Koliatsos Lab

    Founded in the late 1980s, our Lab has been exploring the fundamental mechanisms of neural responses to traumatic and degenerative signals as well as mechanisms of neural repair. Our current interests include: traumatic brain injury and models; mechanisms and treatments of traumatic axonopathies; molecular neuropathology of traumatic brain injury; induced pluripotent stem cells as models of disease.

    Research Areas: traumatic brain injuries, pluripotent stem cells, molecular neuropathology, traumatic axonopathies

    Lab Website

    Principal Investigator

    Vassilis Koliatsos, M.D.

    Department

    Pathology

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