School of Medicine


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  • Maheen Mausoof Adamson

    Maheen Mausoof Adamson

    Clinical Associate Professor (Affiliated) [Vapahcs], Neurosurgery

    Bio Dr. Maheen Mausoof Adamson is the senior scientific research director for Defense and Veterans Brain Injury Center (DVBIC) at the VA Palo Alto Health Care System. She is also the clinical associate professor of Neurosurgery and Psychiatry and Behavioral Sciences at Stanford School of Medicine. Adamson completed her undergraduate degrees in neurobiology and women studies at the University of California, Irvine. She completed her Ph.D. in neuroscience from the University of Southern California and a postdoctoral fellowship in Psychiatry and Behavioral Sciences at Stanford School of Medicine.

    Dr. Adamson?s expertise and interests span employing translational neuroscience methodologies for diagnostic and neuromodulation treatments (such as repetitive Transcranial Magnetic Stimulation (rTMS)) for frequent health problems in patients with Traumatic Brain Injury (TBI). She has employed advanced structural and functional imaging modalities and biomarker assessments in Veteran, active military and civilian populations with brain injury. She has been a leader in identifying gender differences in brain injury, particularly in the Veteran population. She currently serves as PI and Site-PI on numerous neuromodulation clinical trials under the Department of Veterans Affairs and Department of Defense funded grants.

    Dr. Adamson has authored numerous peer-reviewed publications on the cognitive and neural basis of Alzheimer?s disease and on a wide range of topics in TBI. She has received recognition in national and international settings. She is also intricately involved in mentoring research postdoctoral fellows and clinical residents in Physical Medicine & Rehabilitation, Psychiatry and Neurosurgery departments at Stanford Medical School. Her goal is to incorporate advanced treatment and diagnostics tailored to each patient's needs into standard-of-care to improve their daily function, reintegration into society and long-term rehabilitation after brain injury.

  • John R. Adler, MD

    John R. Adler, MD

    The Dorothy and Thye King Chan Professor in Neurosurgery, Emeritus

    Current Research and Scholarly Interests The development and implementation of computerized, image-guided surgical tools to be used during minimally invasive brain operations. The clinical outcome of new technologies, and in particular the application of radiosurgery, for the treatment of brain tumors. The creation of new radiosurgical techniques for a wide array of brain and spine disorders.

  • Gregory W. Albers, MD

    Gregory W. Albers, MD

    The Coyote Foundation Professor and Professor, by courtesy, of Neurosurgery at the Stanford University Medical Center

    Current Research and Scholarly Interests Our group’'s research focus is the acute treatment and prevention of cerebrovascular disorders. Our primary interest is the use of advanced imaging techniques to expand the treatment window for ischemic stroke. We are also conducting clinical studies of both neuroprotective and thrombolytic strategies for the treatment of acute stroke and investigating new antithrombotic strategies for stroke prevention.

  • 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.

  • Mark G Bigder

    Mark G Bigder

    Clinical Instructor, Neurosurgery

    Bio Dr Bigder was born and raised in Thunder Bay, Canada where he completed Bachelor of Arts in Psychology and Honours Bachelor of Kinesiology degrees through Lakehead University. He subsequently completed medical school and neurosurgical residency in Winnipeg at the University of Manitoba. During his residency, Dr Bigder completed a Master of Public Health degree in epidemiology at Harvard TH Chan School of Public Health. He has published research articles on Gamma Knife radiosurgery, microvascular decompression and various public health topics, and has presented his work at international conferences including the International Stereotactic Radiosurgery Society Congress, Congress of Neurological Surgeons and European Public Health Conference among others.

    Dr Bigder has been involved in several leadership roles including serving as the Canadian Neurosurgical Society National Resident Representative, member of the Canadian Neurological Sciences Federation Scientific Planning Committee and member of the Canadian Neurosurgical Research Collaborative.

    Dr Bigder, along with his wife Sara, together enjoy running, hiking and spending time in the outdoors with their daughter and two dogs. His love for travel and adventure has taken him on journeys to a number of destinations worldwide including the summits of Mt Batur, Cotopaxi, Kilimanjaro and Kala Patthar.

  • 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 Sćo 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.

  • Helen Bronte-Stewart, MD, MS

    Helen Bronte-Stewart, MD, MS

    John E. Cahill Family Professor, Professor of Neurology and, by courtesy, of Neurosurgery at the Stanford University Medical Center

    Current Research and Scholarly Interests My research focus is human motor control and brain pathophysiology in movement disorders. Our overall goal is to understand the role of the basal ganglia electrical activity in the pathogenesis of movement disorders. We have developed novel computerized technology to measure fine, limb and postural movement. With these we are measuring local field potentials in basal ganglia nuclei in patients with Parkinson's disease and dystonian and correlating brain signalling with motor behavior.

  • Marion S. Buckwalter, MD, PhD

    Marion S. Buckwalter, MD, PhD

    Associate Professor of Neurology and of Neurosurgery at the Stanford University Medical Center

    Current Research and Scholarly Interests The goal of the Buckwalter Lab is to improve how people recover after a stroke. We use basic research to understand the cells, proteins, and genes that lead to successful recovery of function, and also how complications develop that impact quality of life after stroke. Ongoing projects are focused on understanding how inflammatory responses are regulated after a stroke and how to make recovery faster and better after stroke.

  • Tene Aneka Cage

    Tene Aneka Cage

    Clinical Assistant Professor, Neurosurgery

    Current Research and Scholarly Interests Dr. Cage's research interest is in working towards eliminating health disparities in neurosurgical outcomes. She specifically focuses on understanding the association between socioeconomic and demographic characteristics and patient outcomes following traumatic brain injury.

  • Zhijuan Cao

    Zhijuan Cao

    Postdoctoral Research Fellow, Neurosurgery

    Current Research and Scholarly Interests My current research focuses on:
    1) using optogenetic strategies to stimulate targeted neurons for brain repair after stroke.
    2) detecting the neural circuit and molecular mechanisms underlying stroke recovery.

  • Pak H. Chan

    Pak H. Chan

    The James R. Doty Professor in Neurosurgery and Neurosciences, Emeritus

    Current Research and Scholarly Interests Neuronal death and regeneration after strokeand neural injury

  • Steven D. Chang, MD

    Steven D. Chang, MD

    Robert C. and Jeannette Powell Neurosciences Professor and, by courtesy, of Otolaryngology-Head and Neck Surgery and of Neurology

    Current Research and Scholarly Interests Clinical research includes studies in the treatment of cerebrovascular disorders, such as aneurysms and AVMs, as well as the use of radiosurgery to treat tumors and vascular malformations of the brain and spine.

    Dr. Chang is C0-Director of the Cyberknife Radiosurgery Program.

    Dr. Chang is also the head of the The Stanford Neuromolecular Innovation Program with the goal of developing new technologies to improve the diagnosis and treatment of patients affected by neurological conditions.

  • Lu Chen

    Lu Chen

    Professor of Neurosurgery and of Psychiatry and Behavioral Sciences

    Current Research and Scholarly Interests What distinguishes us humans from other animals is our ability to undergo complex behavior. The synapses are the structural connection between neurons that mediates the communication between neurons, which underlies our various cognitive function. My research program aims to understand the cellular and molecular mechanisms that underlie synapse function during behavior in the developing and mature brain, and how synapse function is altered during mental retardation.

  • Yi-Ren Chen

    Yi-Ren Chen

    Adjunct Clinical Assistant Professor, Neurosurgery

    Bio Dr. Chen is a neurosurgeon with Mercy Medical Group/ Dignity Health Foundation, as well as an Adjunct Assistant Professor of Neurosurgery at Stanford. After double majoring in biology and history at Stanford, he obtained his MD from Stanford and MPH from Johns Hopkins. He subsequently completed neurosurgery residency and fellowship at Stanford.

    Clinical interests:
    Neuro-oncology (brain and spine tumors), minimally invasive spine, general neurosurgery.

    Research interests:
    Clinical outcomes research on brain and spine tumors utilizing both large-scale nationwide databases and single-center patient information, focusing on improving quality of care, patient satisfaction, and hospital-wide outcomes.

  • Ivan Cheng, MD

    Ivan Cheng, MD

    Associate Professor of Orthopaedic Surgery and, by courtesy, of Neurosurgery at the Stanford University Medical Center

    Current Research and Scholarly Interests Dr. Cheng's research interests lie in the biologic enhancement of spinal fusions, molecular techniques of intervertebral disc regeneration, and techniques of spinal instrumentation. For more information, please go to http://www.ivanchengmd.com.

  • Michelle Cheng

    Michelle Cheng

    Sr Res Scientist-Basic Life, Neurosurgery

    Current Role at Stanford I am a senior scientist in Dr. Gary's Steinberg's lab. I supervise several projects that use optogenetics, imaging techniques and next generation sequencing to study post-stroke neural circuit dynamics and recovery mechanisms. My main interests are to study how the brain recovers from injury at both the neural circuit and molecular level, and to develop strategies to promote the recovery process.

  • E.J. Chichilnisky

    E.J. Chichilnisky

    John R. Adler Professor, Professor of Neurosurgery and of Ophthalmology and, by courtesy, of Electrical Engineering

    Current Research and Scholarly Interests Functional circuitry of the retina and design of retinal prostheses

  • Graham Creasey

    Graham Creasey

    Paralyzed Veterans of America Professor of Spinal Cord Injury Medicine, Emeritus

    Current Research and Scholarly Interests Neural prostheses to stimulate and record from the peripheral and central nervous system, thereby directly connecting nervous systems with electronic systems

    Neural prostheses for control of bladder, bowel and sexual function after spinal cord injury

  • Subhamoy Das

    Subhamoy Das

    Postdoctoral Research Fellow, Neurosurgery

    Current Research and Scholarly Interests Enteric Nervous System

  • Ricardo De Azevedo Pereira

    Ricardo De Azevedo Pereira

    Basic Life Res Scientist, Neurosurgery

    Bio Ricardo Azevedo-Pereira has a B.S. in Biological Sciences and a Masters in Parasitology with focus on immunology and protein purification of Leishmania protozoan. He received his PhD at the Federal University of Rio de Janeiro where he investigated the role of cysteine proteases in differentiation of embryonic stem cells into neural cells. Additionally, he stablished a protocol to isolate human neural stem cells from adult patient with refractory temporal lobe epilepsy. During his PhD, he received a fellowship as visiting scholar to study the differentiation of human embryonic stem cells and iPS cells into photoreceptors cells at University of Washington, Seattle, under supervision of Dr. Thomas Reh. During his postdoc at Stanford in the Department of Dermatology, he investigated the mechanisms of hair follicle stem cells activation and hair growth by subcutaneous injection of laminin 511. At the Steinberg lab, he is now applying Translating Ribosome Affinity Purification (TRAP), RNA sequencing and bioinformatic approaches to study the mechanism underlying stroke recovery after human neural stem cells transplantation. As a Research Scientist, he is involved in several projects including: neural stem cells secretome and brain plasticity by expression of perineuronal nets in different cortical layers in stroke models.

  • Atman Desai, MD

    Atman Desai, MD

    Clinical Associate Professor, Neurosurgery

    Current Research and Scholarly Interests Our laboratory aims to analyze and solve healthcare problems relating to neurosurgical care and spine care on a population level. Through the development of algorithms that can be applied to various large national and state-level healthcare datasets, our goal is to harness big data to:

    1. Understand how quality in neurosurgical care and spine care can be defined in both short and long-term measures

    2. Develop appropriate measures of quality neurosurgical and spine care

    3. Create benchmarks for care in neurosurgery and spine surgery

    4. Create multivariate bio-statistical models of pre-operative, peri-operative and post-operative events and long term patient outcomes

    5. Understand how existing paradigms in neurosurgical care and spine care can be potentially improved to improve patient outcomes

    In addition to our population level research, our laboratory has been a national pioneer in integrating prospective outcomes driven medical informative and database systems into the electronic health record. This allows us to identify pre- and post-operative treatment measures that influence patient outcomes, and in doing so improve patient safety and maximize the efficacy of current treatments for neurosurgical and spine patients.

  • Jun Ding

    Jun Ding

    Assistant Professor of Neurosurgery and of Neurology

    Current Research and Scholarly Interests Neural circuits of movement control in health and movement disorders

  • Robert Dodd, MD, PhD

    Robert Dodd, MD, PhD

    Associate Professor of Neurosurgery, of Radiology and, by courtesy, of Otolaryngology-Head and Neck Surgery at the Stanford University Medical Center

    Current Research and Scholarly Interests Dr. Dodd is involved in clinical trials using endovascular coils that have a fiber coating that help heal aneurysms of the neck and can prevent an aneurysm from reforming. He uses minimally invasive endoscopic techniques to treat brain tumors.

    Dodd's research interests are in cerebral blood vessel reactivity and stroke.

  • James R. Doty, MD, FACS, FICS, FAANS

    James R. Doty, MD, FACS, FICS, FAANS

    Clinical Professor, Neurosurgery

    Current Research and Scholarly Interests My interest for many years has focused on neuro-oncology (brain tumors) and utilizing both surgery and stereotactically focused radiation to treat solid tumors of the nervous system primarily utilizing the CyberKnife.

    In addition, I am an expert in complex and minimally invasive spine surgery.

    More recently, my interests revolve around understanding the neural, social and mental bases of compassion and altruism using a multi-disciplinary approach.

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