An MD-PhD graduate of the joint Harvard-MIT program in health sciences and technology, Dr. Iahn Cajigas completed a residency in neurological surgery at the University of Miami/Jackson Memorial Hospital followed by a postgraduate fellowship in epilepsy, functional and stereotactic neurosurgery at the University of California, San Francisco.
Dr. Cajigas’ clinical expertise includes deep brain stimulation, focused ultrasound, and stereotactic radiosurgery for movement disorders, the surgical management of epilepsy, the management of refractory back pain with neuromodulation, and the surgical/radiosurgical treatment of trigeminal neuralgia.
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Publications
Borges PGLB, Qureshi Q, Davis P, Wang Z, Sargur K, Haggerty J, Wingel K, Kim MJ, Pisano TJ, Ho E, Barth K, Byun YW, Miller JS, Dister J, Anushiravani R, Murphy M, Poole AJ, Strauss J, Mermel CH, Qiu L, Halpern CH, Yoshor D, Beauchamp M, Pesaran B, Rapoport BI, Cajigas I Microscale organization and separability of upper extremity representations in the human motor homunculus , Research Square (preprint): 2026
Haggerty J, Qureshi Q, Gabriel ED, Borges PG, Davis P, Wingel K, Cai J, Sargur K, Kim MJ, Dubey A, Garwood I, Vaz A, Richardson AG, Chen HI, Hammer LH, Gold J, Litt B, Yoshor D, Beauchamp M, Halpern C, Pesaran B, Cajigas I Thalamus: a real-time system for synchronized, closed-loop multimodal behavioral and electrophysiological data capture , Commun Eng: 2026
Choi W, Nho YH, Qiu L, Chang A, Campos G, Seilheimer RL, Wilent WB, Bakalov D, Firdous N, Kerr M, Joshi D, Maze G, Topalovic U, Batista D, Suthana N, Amaro A, Hayes MR, Cajigas I, Cristancho M, Allison KC, Pesaran B, Scangos KW, Gold JI, Wadden TA, Halpern CH Brain activity associated with breakthrough food preoccupation in an individual on tirzepatide , Nat Med, 31(12): 2025,4038-4043
Howard SD, Gabriel E, Singh S, Cajigas I, Aamodt W, Farrar J, Kearney MD Perception of neurosurgery among surgical patients with essential tremor: A qualitative mixed methods study , World Neurosurgery: X, 28: 2025,100504
Borges, P., Qureshi, Q., Hammer, L. H., Cajigas, I. Effect of Motor Imagery on Tremor in a Patient With Parkinson Disease Undergoing Intraoperative Testing , Neurology, 105(9): 2025,e214246
Luca, Corneliu, Ballesteros, Viviana Torres, Baumgartner, Michael, Gujral, Jaskeerat, Qiu, Liming, Piedade, Guilherme Santos, Widerstrom-Noga, Eva, Haq, Ihtsham, Noga, Brian, Jagid, Jonathan Low Frequency Directional Deep Brain Stimulation of the Cuneiform Nucleus for Levodopa-resistant Freezing of Gait: Six-month Outcomes (P9-5.002) , Neurology, 104(7_Supplement_1): 2025,5314
Howard, S. D., Singh, S., Macaluso, D., Hsu, J. Y., Cajigas, I., Qiu, L., Halpern, C. H., Aamodt, W. W., Farrar, J. T. Correlation of the clinical rating scale for tremor with a global assessment , Clin Neurol Neurosurg, 249: 2025,108710
Howard, S. D., Potluri, V. S., Hejazi-Garcia, C., Davis, P., Heuer, G. G., Punchak, M. A., Malhotra, N. R., Hsu, J. Y., Cajigas, I. The social deprivation index and deep brain stimulation: A cohort study , Clin Neurol Neurosurg, 252: 2025,108860
Davis, K. C., Wyse-Sookoo, K. R., Raza, F., Meschede-Krasa, B., Prins, N. W., Fisher, L., Brown, E. N., Cajigas, I., Ivan, M. E., Jagid, J. R., Prasad, A. 5-year follow-up of a fully implanted brain-computer interface in a spinal cord injury patient , J Neural Eng, 22(2): 2025
Howard SD, Karsalia R, Ghenbot Y, Qiu L, Pomeraniec IJ, Lee JYK, Zager EL, Cajigas I. A surgical decision aid for occipital neuralgia with literature review and single center case series , Clin Neurol Neurosurg, 236: 2024,108082
