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  • Quarles Laboratory Staff

    Investigators

    Laura Bell, PhD

    Research Assistant Professor
    Neuroimaging Research

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    Nate Semmineh, PhD

    Neuroimaging Research Specialist

    Postdoctoral Fellows

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    Sudarshan Ragunathan, PhD

    Postdoctoral Fellow
    Neuroimaging Research

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    Matthew Scarpelli, PhD

    Postdoctoral Fellow
    Neuroimaging Research

    PhD Students

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    Ethan Mathew, MS

    PhD Student

    Staff

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    Debbie Healey

    Laboratory Manager
    Quarles Laboratory

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    Lori Steffes

    Study Coordinator
    Neuroimaging Research

    About Barrow Neurological Institute
    Since our doors opened as a regional specialty center in 1962, we have grown into one of the premier destinations in the world for neurology and neurosurgery. Our experienced, highly skilled, and comprehensive team of neurological specialists can provide you with a complete spectrum of care–from diagnosis through outpatient neurorehabilitation–under one roof. Barrow Neurological Institute: Discover. Educate. Heal.