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Generalized brain-state modeling with KenazLBM

Johnson, G. W.; Makhoul, G.; Doss, D.; Hidalgo, B.; Cai, L.; Liao, E.; Paulo, D.; Reda, A.; Withers, C. P.; Cavender, A.; Qian, H.; Obiri-Yeboah, D.; Mensah-Brown, K.; Kerezoudis, P.; Baker, M.; Jensen, M.; Reddy, S.; Roberson, S. W.; Crudele, A.; Naftel, R.; Hermes, D.; Hawkes, M.; Kremen, V.; Bydon, M.; Ali, R.; Lee, K.; Lanzino, G.; Bick, S.; Van Gompel, J.; Constantinidis, C.; Morgan, V.; Marsh, R.; Zadeh, G.; Worrell, G.; Miller, K.; Englot, D.

2025-08-12 neuroscience
10.1101/2025.08.10.669538 bioRxiv
Show abstract

The large-scale functional state of a human brain remains difficult to characterize, much less predict. Regardless, techniques have been engineered to electrically neuromodulate the brain to treat a subset of neurologic and psychiatric disorders with moderate efficacy. Accurate characterization of a brains instantaneous functional state has stymied the development of more effective neuromodulation paradigms. Advanced computational methods are required to address this gap and enable large-scale neuroscience. Here we define the concept of generalized brain-state modeling across humans as Large Brain-State Modeling (LBM) and present KenazLBM as the worlds first example. KenazLBM can instantaneously characterize the functional state of a persons brain with raw iEEG data, and predict future brain-states. KenazLBM was trained on over 17.9 billion unique multichannel tokens from people undergoing intracranial electroencephalography (iEEG) recordings, and has learned to interrelate brain-states between people into a common interpretable topology. Most importantly, the model generalizes to unseen subject data with significant recording channel heterogeneity from the training set. We offer KenazLBM as a first generalized brain-state model to serve as a new paradigm of basic neuroscience inquiry and potential translation into neuromodulation therapeutics.

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