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Research Lab Results for neuronal function

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  • Computational Neuroscience Laboratory

    Lab Website
    Principal Investigator:
    Ernst Niebur, Ph.D., M.Sc.
    Neuroscience

    In the computational neuroscience Laboratory, we construct quantitative models of biological ne...rvous systems that are firmly based on their neurophysiology, neuroanatomy and behavior, and that are developed in close interaction with experimentalists. Our main interest is neuronal function at the system level, reflecting the interaction of subsystems to generate useful behavior. Modeling is particularly important for understanding this and other system-level functions, since it requires the interaction of several pathways and neural functions.

    One of the functions we study is selective attention--that is, the capability of higher animals to scan sensory input for the most important information and to discard all other. Models of the neuronal basis of visual selective attention are constructed by simulating them on digital computers and comparing the results with data obtained from the visual and somatosensory systems of primates. We pay particular attention to the mechanisms involving the implementation of neural mechanisms that make use of the temporal structure of neuronal firing, rather than just the average firing rate.
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    Research Areas: neuronal function, neuroanatomy, selective attention, neurophysiology, nervous system
  • Svetlana Lutsenko Laboratory

    Lab Website
    Principal Investigator:
    Svetlana Lutsenko, Ph.D.
    Physiology

    The research in the Svetlana Lutsenko Laboratory is focused on the molecular mechanisms that re...gulate copper concentration in normal and diseased human cells. Copper is essential for human cell homeostasis. It is required for embryonic development and neuronal function, and the disruption of copper transport in human cells results in severe multisystem disorders, such as Menkes disease and Wilson's disease. To understand the molecular mechanisms of copper homeostasis in normal and diseased human cells, we utilize a multidisciplinary approach involving biochemical and biophysical studies of molecules involved in copper transport, cell biological studies of copper signaling, and analysis of copper-induced pathologies using Wilson's disease gene knock-out mice. view more

    Research Areas: biophysics, biochemistry, menkes disease, Wilson's disease, cell biology, multisystem disorders, physiology, copper, molecular biology
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