Resources


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


Database Credentialed Access

ICU SLEEP

Ryan Tesh, Hao Deng, Kaileigh Gallagher, Wolfgang Ganglberger, Timothy T. Houle, B. Taylor Thompson, Robert Thomas, Oluwaseun Akeju, M Brandon Westover

De-identified data and analysis code from ICU-SLEEP (NCT03355053): a phase 2 double-blind placebo-controlled three-arm RCT of overnight IV dexmedetomidine in 482 non-ventilated MGH ICU adults aged 50+ (2019-2022).

sedation dexmedetomidine clinical trial delirium icu critical care sleep eeg

Published: April 25, 2026. Version: 1.0.0


Database Credentialed Access

Dementia detection from brain activity during sleep - data and code

Elissa Ye, Haoqi Sun, Wolfgang Ganglberger, Robert Thomas, Alice Lam, M Brandon Westover

Code and curated polysomnography dataset (10,784 PSGs from 8,044 patients, MGB Sleep Lab 2009-2019) used in Ye et al. 2023 (Sleep) to detect dementia and MCI from sleep EEG features.

machine learning biomarker sleep mild cognitive impairment polysomnography dementia eeg

Published: April 25, 2026. Version: 1.0.0


Database Restricted Access

A randomized controlled educational pilot trial of interictal epileptiform discharge identification for neurology residents - Data and Code

Fabio Nascimento, Jin Jing, M Brandon Westover

Data and code for a bi-institutional randomized controlled educational pilot trial (n=21 junior neurology residents) evaluating a web- and app-based training program for identifying interictal epileptiform discharges (IEDs) on EEG.

epilepsy medical education randomized controlled trial interictal epileptiform discharges eeg

Published: April 22, 2026. Version: 1.0.0


Database Restricted Access

On-demand EEG education through competition: learning to identify IEDs

Jaden D. Barfuss, Fabio Nascimento, Erik Duhaime, Srishti Kapur, Ioannis Karakis, Marcus Ng, Aline Herlopian, Alice Lam, Douglas Maus, Jonathan Halford, Sydney Cash, M Brandon Westover, Jin Jing

iOS-app-based EEG education and gamified learning data: 2,270 participants rated candidate interictal epileptiform discharges (IEDs) on the DiagnosUs app, with 13,262 EEG candidates, survey responses, and learning curves.

education crowdsourcing epilepsy interictal epileptiform discharges eeg

Published: April 18, 2026. Version: 1.0.0


Database Restricted Access

Measuring Expertise in Identifying Interictal Epileptiform Discharges

Nitish Harid, Jin Jing, Jacob Hogan, Fabio Nascimento, Wei-Long Zheng, Wendong Ge, Sahar Zafar, Jennifer Kim, Alice Lam, Aline Herlopian, Douglas Maus, Ioannis Karakis, Marcus Ng, Shenda Hong, Peter Kaplan, Sydney Cash, Mouhsin Shafi, Jonathan Halford, M Brandon Westover

Dataset of 13,262 candidate interictal epileptiform discharges (IEDs) from EEGs at Massachusetts General Hospital, scored by 8 fellowship-trained physicians, used in an online test to quantify reader skill in IED recognition.

benchmark expert annotation epilepsy interictal epileptiform discharges eeg

Published: April 17, 2026. Version: 1.0.0