Resources


Database Restricted Access

I-CARE: International Cardiac Arrest REsearch consortium Electroencephalography Database

Edilberto Amorim, Wei-Long Zheng, Mohammad Ghassemi, Mahsa Aghaeeaval, Pravinkumar Kandhare, Vishnu Karukonda, Jong Woo Lee, Susan Herman, adithya sivaraju, Nicolas Gaspard, Jeannette Hofmeijer, Michel JAM van Putten, Reza Sameni, Matthew Reyna, Gari Clifford, M. Brandon Westover

Multicenter clinical and EEG Database including patients who were comatose after cardiac arrest. This database includes 1,020 patients and more than 50,000 hours of continuous EEG from 7 hospitals in the U.S. and Europe.

Published: July 29, 2026. Version: 2.0

Database Credentialed Access

ELUCID: Late-Onset Unexplained Epilepsy as a Risk Factor for Cognitive Impairment and Dementia — A Multi-Center Prospective Longitudinal Study (Protocol and Data Resource)

Alice Lam, Emily Johnson, rani sarkis, Leah J. Blank, Tyler E. Gaston, Mouhsin Shafi, Rodrigo Zepeda, Niyatee Samudra, Keith A. Vossel, Ifrah Zawar, Douglas N. Greve, Lori B. Chibnik, Rebecca E. Amariglio, Gad A. Marshall, M. Brandon Westover

ELUCID is a 7-center longitudinal study of 600 adults aged 55+ with late-onset unexplained epilepsy, building a multimodal biorepository (brain MRI, overnight EEG, cognitive testing, blood biomarkers) to identify risk factors for dementia.

Published: July 29, 2026. Version: 1.0.0

Database Credentialed Access

LENS: Lifespan and Sleep-Stage-Resolved Normative EEG Background Slowing - Data and Code

Jin Jing, ChenXi Sun, Wolfgang Ganglberger, Alice Lam, Haoqi Sun, Tianyu Zhang, Daniel Goldenholz, Fábio A. Nascimento, Doyle Yuan, Sándor Beniczky, Jennifer Kim, Aaron F Struck, Sahar F. Zafar, Robert Thomas, Mouhsin Shafi, M. Brandon Westover

LENS: lifespan and sleep-stage-resolved normative EEG growth charts that score background slowing as a deviation from age- and stage-matched normal, for detection and automated reporting. De-identified derived data and reproducible code.

Published: July 20, 2026. Version: 1.0.0

Database Credentialed Access

The Neurotech EEG Dataset

Keith Morgan, Charles Pickering, Matthew Goodwin, Han Wu, Manohar Ghanta, Aditya Gupta, Daniel Goldenholz, M. Brandon Westover

A large clinical scalp EEG corpus: 23,607 recordings from 4,914 patients (212,186 hours) acquired in patients' homes and hospitals on Natus/Xltek hardware, in BIDS-EEG format with technician annotations and de-identified clinical metadata.

Published: July 7, 2026. Version: 1.0

Database Credentialed Access

Neurophysiologic Encephalopathy Severity Index (NESI) - Data and Code

Arka Roy, Katelyn Surrao, ChenXi Sun, Jin Jing, Tianyu Zhang, Aditya Gupta, Ryan A. Tesh, Imad Akbar, Kaileigh Gallagher, Marjan Sarami, Rajib Kanti Dey, Aysenur Yaramis, Alihan Yaramis, Zeeshan Haider, Utsav Patel, Laraib Jumani, Grace Bayas, Haoqi Sun, Wolfgang Ganglberger, Erika L. Juarez Martinez, Fábio A. Nascimento, Irfan S. Sheikh, Oluwaseun Akeju, Miles Berger, Eyal Y. Kimchi, Sahar F. Zafar, Christine A. Eckhardt, M Brandon Westover

A continuous, EEG-based index of encephalopathy severity (NESI) that maps RASS, GCS, CAM-S, and ICANS onto one physiological axis. Includes 10-minute EEG segments, MORGOTH features, trained models, derived tables, and the full analysis code.

Published: June 14, 2026. Version: 1.0.0

Database Credentialed Access

MORGOTH 1.0: A Foundation Model for Clinical EEG - Data and Code

Chenxi Sun, Ioannis Karakis, Aline Herlopian, Marcus Ng, Gamaleldin Osman, Zubeda Sheikh, Olga Taraschenko, Jiyeoun Yoo, Brian Appavu, Lakshman Arcot Jayagopal, Peter Kaplan, Jong Woo Lee, Olga Selioutski, Hiba Haider, Jonathan Halford, Daniel Hoch, Alice Lam, Fabio Nascimento, Jay Pathmanathan, Sarah Schmitt, Pia De Stefano, Urs Fisch, jeroen gijs, Humberto Castro-Lima, Wan-Yee Kong, Mackenzie Cervenka, Monica Dhakar, Safoora Fatima, Nicolas Gaspard, emily gilmore, Susan Herman, Manisha Holmes, Emily Johnson, Carlos F. Muniz, Eric Rosenthal, Andres rodriguez, rani sarkis, Mouhsin Shafi, Christa Swisher, Mohammad Tabaeizadeh, Selim Benbadis, Fonda Chan, Catherine Chu, Marjan Dolatshahi, Adam Greenblatt, Roohi Katyal, Chinasa Nwankwo, Edilberto Amorim, William O. Tatum, Dan Weber, Tobias Loddenkemper, Jurriaan Peters, Umakanth Katwa, Kiran Maski, Robert Thomas, Shenda Hong, Doyle Yuan, Sydney Cash, Andrew Cole, Daniel Goldenholz, Charlotte Stow, Jennifer Kim, Sahar Zafar, Aaron F Struck, M Brandon Westover, Jin Jing

MORGOTH, a unified EEG foundation model achieving expert-level interpretation across routine outpatient, EMU, ICU, and sleep-lab settings. Trained on 18,677 patients across 4 hospitals; externally validated on 1,573 patients across 48 sites.

Published: June 2, 2026. Version: 1.0.0

Database Credentialed Access

The Human Sleep Project

Qichen Li, Shenghan Wen, Haoqi Sun, Wolfgang Ganglberger, Ayush Tripathi, Niels Turley, Samuel Waters, Arnav Gupta, Aditya Gupta, Manohar Ghanta, Bruce Nearing, Han Wu, Katie L. Stone, Chad Robichaux, Zhiyong Zhang, Qiao Li, Gauri Ganjoo, Christine Tsien Silvers, Bharath Gunapati, Kiran Maski, Samaneh Nasiri, Dennis Hwang, Lynn Marie Trotti, Umakanth Katwa, Gari D. Clifford, Emmanuel Mignot, Robert J. Thomas, M. Brandon Westover

Multi-center clinical polysomnography dataset of 119,234 sleep recordings from 90,166 patients across five U.S. sites spanning the human lifespan, with manual + CAISR automated annotations, per-session quality grades, and 22-category ICD-10 linkage.

Published: June 2, 2026. Version: 3.0

Database Credentialed Access

Automated Extraction of Seizures and Ictal-Interictal Continuum Patterns from EEG Reports to Enable Large-Scale Neurophysiology and Neurocritical Care Research - Data and Code

Shadi Sartipi, Deena S. Godfrey, Alexandra-Maria Tauțan, Marta P. Fernandes, Manohar Ghanta, Aditya Gupta, Bruce Nearing, Jennifer Kim, Aaron F. Struck, Tobias Loddenkemper, Jurriaan Peters, Jong Woo Lee, M. Brandon Westover, Sahar F. Zafar

Deidentified seizure and ictal-interictal continuum (IIC) data extracted from 156,582 EEG reports across three health systems (two adult, one pediatric), plus the LLM-based extraction pipeline. Companion to Sartipi et al. (IJMI, under review).

Published: June 1, 2026. Version: 1.0.0

Database Credentialed Access

Evaluating crowdsourcing for ICU EEG annotation: A comparison with expert performance — Data and Code

Wan-Yee Kong, Fabio Nascimento, Aaron F Struck, Erik Duhaime, Srishti Kapur, Edilberto Amorim, Gregory Kapinos, Andres rodriguez, Brendan Thomas, Masoom Desai, Jong Woo Lee, M Brandon Westover, Jin Jing

Data and code from Kong et al. (Epilepsia 2025): 1,542 expert and non-expert participants annotated 478,834 EEG epochs for seizures and rhythmic/periodic patterns; mixed-effects analyses compare crowd vs expert accuracy.

Published: May 17, 2026. Version: 1.0.0

Database Credentialed Access

Association of Sleep Electroencephalography-Based Brain Age Index With Dementia - Data and code

Elissa Ye, Haoqi Sun, Michael Leone, Luis Paixao, Robert Thomas, Alice Lam, M Brandon Westover

De-identified polysomnography dataset and analysis code from Ye et al. 2020 (JAMA Netw Open): sleep-EEG-based Brain Age Index (BAI) computed across 9,834 MGH Sleep Lab PSGs and tested as a biomarker for dementia and MCI versus healthy controls.

machine learning biomarker sleep mild cognitive impairment polysomnography dementia eeg brain age

Published: April 25, 2026. Version: 1.0.0