School of Medicine


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  • Daniel Alves Neiva Barbosa

    Daniel Alves Neiva Barbosa

    Postdoctoral Research Fellow, Neurosurgery

    Bio Daniel A. N. Barbosa, M.D., is a Postdoctoral Scholar sponsored by Dr. Casey H. Halpern (Assistant Professor of Neurosurgery) and co-sponsored by Dr. Jennifer McNab (Assistant Professor of Radiology). He received his medical degree from the Federal University of the State of Rio de Janeiro in 2018. During his clinical education, Dr. Barbosa followed several renowned neurosurgeons and neurologists, and had a large experience with neurological and psychiatric patients. He developed great interest for the investigations of neurosurgical techniques to improve brain function. Now, he is working on multimodal imaging techniques to improve stereotactic targeting in on-demand, responsive neuromodulation (RNS) of the nucleus accumbens for pathological impulsivity, a pervasive symptom in a wide range of neurological and neuropsychiatric disorders. After a couple of years working on research, Dr. Barbosa plans to start his residency in Neurological Surgery and ultimately pursue his career in Stereotactic and Functional Neurosurgery.

  • Mahendra Bhati

    Mahendra Bhati

    Clinical Associate Professor, Psychiatry and Behavioral Sciences

    Bio Dr. Bhati is a board certified neuropsychiatrist with expertise in psychiatric diagnosis, psychopharmacology, and neuromodulation. He completed postdoctoral research studying transcranial magnetic stimulation (TMS) evoked potentials in schizophrenia and was a principle investigator for the DSM-5 academic field trials. His research experience included roles as an investigator in the first controlled clinical trials of deep brain stimulation and low field synchronized TMS for treatment of depression. His current interests include studying TMS-evoked potentials as biomarkers for neuropsychiatric disorders, augmented-reality TMS, closed-loop responsive neurostimulation for treatment of impulse and fear-related disorders, and magnetic resonance guided focused ultrasound for treatment-resistant obsessive compulsive disorder and depression.

  • Nikolas Blevins, MD

    Nikolas Blevins, MD

    Larry and Sharon Malcolmson Professor in the School of Medicine and Professor, by courtesy, of Neurosurgery at the Stanford University Medical Center

    Current Research and Scholarly Interests Inner ear microendoscopy -- Developing techniques for minimally-invasive imaging of inner ear microanatomy and neural pysiology. Applications include improved cochlear implant development, inner ear regenerative techniques, inner ear surgery, and auditory physiology.

    Microsurgical robotics -- Developing scalable microsurgical instrumentation and robotic techniques for use in head and neck surgery.

    Surgical Simulation -- Immersive environment for temporal bone surgical simulation.

  • Mauricio Mandel

    Mauricio Mandel

    Clinical Instructor, Neurosurgery

    Current Research and Scholarly Interests Dr. Mandel obtained his medical degree from the University of São Paulo Medical School, Brazil. He received the ?Prof. Dr. Edmundo Vasconcelos Award? as the best student on all surgical disciplines upon completion of medical school. He subsequently completed his neurosurgical residency at the Hospital das Clinicas of University of Sao Paulo Medical School, Brazil.

    After his residency, Dr. Mauricio started a busy private practice at Hospital Israelita Albert Einstein, Sao Paulo, Brazil.

    His clinical and research interests are focused on minimally invasive neurosurgery. Dr. Mauricio attended a Ph.D. program at the University of Sao Paulo, Brazil, where he discussed a doctoral thesis entitled ?Employment of minimally invasive neurosurgical techniques for treatment of unruptured brain aneurysms of the anterior circulation.? During his Ph.D. thesis, he described an innovative minimally invasive approach for the treatment of middle cerebral artery aneurysms (transpalpebral ?eyelid? approach). He has published several peer-reviewed articles and has presented his work at different international conferences.

    As Clinical Instructor at Stanford, Dr. Mauricio is currently concentrating on gaining operative exposure to cerebral revascularization procedures with Dr. Gary Steinberg.

    Dr. Mandel, along with his wife Suzana, enjoys running, hiking and traveling. He also enjoys playing the cello. He has been a cellist in several university symphony orchestras in Sao Paulo.

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