Think Neuro

At the Pacific Brain Health Center, Pacific Neuroscience Institute, CA, patients consult with one of our highly-trained neuropsychology experts. Our team conducts adult and geriatric neuropsychological assessments. In addition, our specialists care for patients with neurobehavioral health symptoms related to various neurological illnesses, or age-related neurodegenerative disorders. Conditions inc...

ThinkNeuro Mini: What Are Meningiomas? with Dr. Nouhzan Sehati Dr. Sehati is a board-certified neurosurgeon who specializes the treatment of a wide variety of brain, spine and spinal cord disorders at Pacific Neuroscience Institute. His expertise is in surgical and nonsurgical management of degenerative, traumatic and neoplastic (tumor) diseases of the brain and spine with a focus on minimally inv...

When he got out of medical school Dr. Jian Guan wanted to do pediatric neurosurgery, and he found a top-flight residency at the University of Utah. While there, though, his career took a turn, thanks to the Cheyenne Frontier Days, the world’s largest outdoor rodeo. Cheyenne is a small city, and Salt Lake City is the nearest center of excellence for spine surgery, so every summer, Dr. Guan, sadly,...

Dr. Melita Petrossian is a fellowship-trained neurologist and movement disorders specialist and is the Director of the Pacific Movement Disorders Center located at Providence Saint John’s Health Center and Providence Little Company of Mary Medical Center Torrance. Dr. Petrossian’s clinical interests and expertise are in movement disorders such as Parkinson’s disease, tremors including essential tr...

Naveed Wagle, MD, has specialized training and research experience in the treatment of cancer of the central and peripheral nervous system. Dr. Wagle treats patients with primary and metastatic brain tumors as well as neurologic complications of cancer at Providence Saint John’s Health Center. As an expert resource to Pacific Neuroscience Institute and the community, Dr. Wagle brings a wealth of k...

Cervical dystonia (sometimes called neck dystonia) is the abnormal position of the muscles of the neck, causing a twisted, turned, flexed or extended neck position. Abnormal signals coming from the deep parts of the brain cause this condition and therefore it is not muscular in nature and will not resolve with muscle massage or stretching. Join us in raising awareness to dystonia with Natalie Diaz...

Strange though it may seem, we can tone our brain tissue the same way we tone our muscles. The fitness of our gray matter depends on how well we take care of ourselves. If we exercise, manage our stress, get plenty of sleep, and eat right, our brain function improves. We add more, better brain tissue. Dr. Jennifer Bramen and Dr. Karen Miller work as a team at the Pacific Brain Health Center to hel...

Dr. Omid B. Mehdizadeh, MD, is an Otolaryngology, and Head & Neck (ENT) surgeon. Working with colleagues in the Pacific Eye, Ear & Skull Base Center at Pacific Neuroscience Institute, his particular expertise is in voice, swallowing and throat conditions (laryngology).  Visit Dr. Mehdizadeh's profile: https://www.pacificneuroscienceinstitute.org/people/omid-mehdizadeh/ PacificNeuro.org 310-582-745...

Dr. Barkhoudarian is the Co-Director Pituitary Disorders Center, Neurosurgery; Director, Adult Hydrocephalus Center; Director, Facial Pain Center; Chief, Radiosurgery Program; Director, Saint Johns Cancer Institute / PNI Microdissection Anatomy Laboratory. He is a board-certified, fellowship-trained neurosurgeon with a focus on skull base and minimally invasive endoscopic surgery. Dr. Barkhoudaria...

The network of vessels that transport blood to your brain looks like two trees. The trunks are the carotid arteries, which run up through the neck and branch into the brain, getting smaller and smaller as they ascend. Sometimes, those branches develop a dangerous malformation called an aneurysm. It happens when the artery wall weakens and begins to bulge. An aneurysm often looks like a berry hangi...

Evan Walgama, MD is a board-certified Otolaryngologist – Head & Neck / ENT Surgeon at the Pacific Eye, Ear & Skull Base Center at Pacific Neuroscience Institute, Santa Monica. His particular area of expertise is in the treatment of patients with benign and malignant tumors of the head and neck. Dr. Walgama is a dual-fellowship trained surgeon. He completed his Sinus and Skull Base fellowship at St...

Karina Sergi is a licensed therapist, trained the old-fashioned way, but she is exploring a new tool that has been proven to help people who are struggling with persistent depression, addiction, and post-traumatic stress disorder: magic mushrooms. PNI is studying psilocybin, the active ingredient in mushrooms, as a treatment for alcohol use disorder, and Karina is a facilitator for the trial. She...

Dr. Natalie Diaz is a board-certified neurologist with fellowship training in movement disorders. Her clinical practice focuses on the evaluation and management of patients with Parkinson’s disease, atypical parkinsonian disorders, Huntington’s disease and other choreiform disorders, dystonia, and ataxia. She also has specialized training in the evaluation and programming of deep brain stimulation...

Dr. Abbas Anwar, a native of Southern California, is a board certified otolaryngologist – head and neck surgeon, at the Pacific Eye, Ear & Skull Base Center, Pacific Neuroscience Institute. He specializes in all aspects of general and pediatric ENT and has special interests in sinonasal diseases and infections, head and neck surgery, otologic disorders, and throat complaints. He is well trained in...

Dr. Courtney Voelker explains about acoustic neuroma, a benign tumor that affects the nerve for hearing and balance. Find out about signs and symptoms, and the three treatment options that are available.

Dr. Evan Walgama is a Head & Neck Oncology Surgeon, which means that he specializes in treating any cancer affecting areas from the collar bone to the base of the brain. While in the past, head and neck cancer surgeons tended to see older patients in poorer health who were often smokers coming in for treatment, the demographics have shifted. Dr. Walgama’s practice is following this national trend,...

Jason W. Tarpley, MD, Ph. D. is a board-certified neurologist with fellowship training in vascular and interventional neurology. He specializes in the clinical care of patients with neurovascular disorders and has a specific interest in ischemic and hemorrhagic stroke, cerebral aneurysms, and carotid artery stenosis. He is an investigator in many phase 2 and phase 3 clinical studies examining the...

Dr. Jian Guan is a fellowship trained neurosurgeon with a special focus on complex spine surgery at Pacific Neuroscience Institute. Dedicated to the care of patients with spine and neck conditions, he practices at PNI-South Bay / Spine Institute at Little Company of Mary in Torrance, California. With over 75 peer-reviewed publications, Dr. Guan has a particular clinical and research interest in wa...

Jose Carrillo, MD, is a board-certified neurologist and neuro-oncologist specializing in the diagnosis and treatment of primary and secondary brain tumors, including glioblastoma multiforme, primary CNS lymphoma, meningioma, and brain metastases, as well as the neurologic complications of cancer. In addition, Dr. Carrillo is involved in the enrollment of patients into several clinical trials. Dedi...

Meet Dr. Christopher M. Putman, a board-certified interventional neuroradiologist with over 20 years of experience. He treats a variety of complex intracranial, head and neck, and spine vascular conditions including acute stroke, cervical and intracranial stenosis, vascular malformations, cerebral aneurysm, and venous occlusive diseases. https://www.pacificneuroscienceinstitute.org/stroke-neurovas...

Eight years ago, at age 23, Tatiana Sarkisian was waiting to meet with a professor in her architecture program at the Southern California Institute of Architecture. She remembers her right hand moving across her body on its own, then her body slumping down onto the floor. The next thing she remembers is waking up in an ambulance. She’d had a seizure. Soon after, Tatiana learned that she had brain...

Rebecca (Becky) Lewis, AuD, is an audiologist and the Audiology Director of the Adult & Pediatric Cochlear Implant Program at Pacific Neuroscience Institute. She also holds the position of Adjunct Professor at Mount Saint Mary University / John Tracey Deaf and Hard of Hearing program. She has provided rehabilitative services, including hearing aids, hearing protection, Osseo integrates devices, au...

Courtney Voelker, MD, PhD (DPhil Oxon), is a Rhodes Scholar and board certified neurotologist. She is Director of Otology/Neurotology-Lateral Skull Base Surgery; and Director of the Adult & Pediatric Cochlear Implant Program at Pacific Neuroscience Institute. She is an otolaryngology – head & neck surgeon who takes care of adult and pediatric patients seeing a wide range of inner ear and skull bas...

We provide comprehensive care for patients with all types of brain tumors including benign and malignant brain tumors, skull base tumors, and metastatic brain tumors that arise from cancers elsewhere in the body. Contact us: Pacific Brain Tumor Center, Pacific Neuroscience Institute, Santa Monica, CA 310-582-7450 | pacificbraintumor.org | pacificneuro.org

The network of vessels that transport blood to your brain looks like two trees. The trunks are the carotid arteries, which run up through the neck and branch into the brain, getting smaller and smaller as they ascend. Sometimes, those branches develop a dangerous malformation called an aneurysm. It happens when the artery wall weakens and begins to bulge. An aneurysm often looks like a berry hangi...