(Press-News.org)
The Icahn School of Medicine at Mount Sinai is pleased to announce it has received a three-year, $4.5 million grant from BD2: Breakthrough Discoveries for thriving with Bipolar Disorder to investigate the neural mechanisms underlying bipolar disorder and pioneer novel neuromodulation-based treatment strategies.
The team will be led by Ignacio Saez, PhD, Associate Professor of Neuroscience, Neurosurgery, Neurology at the Icahn School of Medicine and Director of the Human Neurophysiology Laboratory at Mount Sinai. Dr. Saez and his team are part of a select cohort of BD2 Discovery Research Grantees using leading-edge neuromodulation approaches to map brain circuitry contributing to bipolar disorder.
“Unpredictable transitions between manic and depressive states are a major source of disability for people living with bipolar disorder, yet little is known about the brain mechanisms that drive these mood changes,” said Dr. Saez. “With BD2’s support, we’ll be able to record brain activity in unprecedented detail during these state changes—laying the groundwork for targeted neuromodulatory treatments that could transform mental health care.”
The Mount Sinai team will integrate neurosurgical and neurophysiological methods with clinical and behavioral assessments to uncover how mood states emerge and shift in bipolar disorder. Two complementary research arms will support this work:
Deep Brain Stimulation (DBS): Under the direction of Helen Mayberg, MD, Director of the Center for Advanced Circuit Therapeutics, patients with bipolar depression will undergo bilateral DBS electrode implantation in brain regions central to mood regulation. For the year following implantation, mood-state transitions will be correlated with multimodal recordings, which include continuous neural signals, daily self-assessments, sleep monitoring, video diaries, and periodic MRI. This work is in collaboration with James Murrough, MD, PhD, Director of the Center for Depression and Anxiety; and Brian Kopell, MD, Director of the Center for Neuromodulation.
Stereotactic Electroencephalography (sEEG): In collaboration with Mount Sinai’s surgical epilepsy program, Dr. Saez will lead a research arm that records data from patients undergoing sEEG, a minimally invasive procedure used to identify brain regions where hard-to-treat seizures originate. This cohort will include individuals with epilepsy and bipolar disorder; epilepsy and major depression; and epilepsy without mood disorders (controls). By collecting multi-area sEEG recordings, the team will complement the DBS cohort and broaden insights into brain circuits involved in executive function and mood regulation—potentially uncovering new neuromodulation targets. This work will be conducted in partnership with Angela Radulescu, PhD, Assistant Professor of Psychiatry; Saadi Ghatan, MD, Chair of Neurosurgery, Mount Sinai West; Fedor Panov, MD, Director, Adult Epilepsy Surgery Program; and Lara Marcuse, MD, and Madeline Fields, MD, Co-Directors, Center for Epilepsy.
By combining advanced surgical techniques with rigorous behavioral- and clinical-state tracking, Mount Sinai aims to generate the most detailed, circuit-level understanding of bipolar disorder to date. The knowledge gained could open the door to precise, personalized neuromodulation strategies for psychiatric illness.
“This program reflects Mount Sinai’s unique strength at the intersection of neurosurgery, neuroscience, and psychiatry,” Dr. Saez said. “We are committed to translating these discoveries into real treatments that can improve the lives of people with bipolar disorder.”
About the Mount Sinai Health System
Mount Sinai Health System is one of the largest academic medical systems in the New York metro area, with 48,000 employees working across seven hospitals, more than 400 outpatient practices, more than 600 research and clinical labs, a school of nursing, and a leading school of medicine and graduate education. Mount Sinai advances health for all people, everywhere, by taking on the most complex health care challenges of our time—discovering and applying new scientific learning and knowledge; developing safer, more effective treatments; educating the next generation of medical leaders and innovators; and supporting local communities by delivering high-quality care to all who need it.
Through the integration of its hospitals, labs, and schools, Mount Sinai offers comprehensive health care solutions from birth through geriatrics, leveraging innovative approaches such as artificial intelligence and informatics while keeping patients’ medical and emotional needs at the center of all treatment. The Health System includes approximately 9,000 primary and specialty care physicians and 10 free-standing joint-venture centers throughout the five boroughs of New York City, Westchester, Long Island, and Florida. Hospitals within the System are consistently ranked by Newsweek’s® “The World’s Best Smart Hospitals, Best in State Hospitals, World Best Hospitals and Best Specialty Hospitals” and by U.S. News & World Report's® “Best Hospitals” and “Best Children’s Hospitals.” The Mount Sinai Hospital is on the U.S. News & World Report® “Best Hospitals” Honor Roll for 2025-2026.
For more information, visit https://www.mountsinai.org or find Mount Sinai on Facebook, Instagram, LinkedIn, X, and YouTube.
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