Resources


Database Restricted Access

SPaRCNet data: Seizures, Rhythmic and Periodic Patterns in ICU Electroencephalography

Jin Jing, Wendong Ge, Aaron F Struck, Marta Fernandes, Shenda Hong, Sungtae An, Safoora Fatima, Aline Kherlopian, Ioannis Karakis, Jonathan Halford, Marcus Ng, Emily Johnson, Brian Appavu, rani sarkis, Gamaleldin Osman, Peter Kaplan, Monica Dhakar, Lakshman Arcot Jayagopal, Zubeda Sheikh, Olga Taraschenko, Sarah Schmitt, Hiba Haider, Jennifer Kim, Christa Swisher, Nicolas Gaspard, Mackenzie Cervenka, Jong Woo Lee, Andres rodriguez, Mohammad Tabaeizadeh, emily gilmore, Kristy Nordstrom, Jiyeoun Yoo, Manisha Holmes, Susan Herman, Jennifer Williams, Jay Pathmanathan, Fabio Nascimento, Ziwei Fan, Samaneh Nasiri, Mouhsin Shafi, Sydney Cash, Daniel Hoch, Andrew Cole, Zhen Lin, Chaoqi Yang, Manohar Ghanta, Aditya Gupta, Valdery Moura Junior, Eric Rosenthal, Sahar Zafar, M Brandon Westover, Jimeng Sun

"Interrater Reliability of Expert Electroencephalographers Identifying Seizures and Rhythmic and Periodic Patterns in EEGs" and "Development of Expert-Level Classification of Seizures and Rhythmic and Periodic Patterns During EEG Interpretation"

seizures rhythmic and periodic patterns artificial intelligence icu eeg

Published: May 5, 2023. Version: 1.1


Software Credentialed Access

DDESVSFS: a screening tool for the differential diagnosis of epileptic versus functional seizures

Nicholas J. Janocko, Jin Jing, Ziwei Fan, Diane L. Teagarden, Hannah K. Villarreal, Matthew L. Morton, Olivia Groover, David W. Loring, Daniel L. Drane, M. Brandon Westover, Ioannis Karakis

MATLAB code and de-identified data for the DDESVSFS questionnaire-based screening tool distinguishing epileptic from functional (psychogenic) seizures (208 patients; AUC 0.93).

Published: July 9, 2026. Version: 1.0.0


Software Credentialed Access

Time-dependent risk of seizures in critically ill patients on continuous electroencephalogram

Aaron F Struck, Gamaleldin Osman, Nishi Rampal, Siddhartha Biswal, Benjamin Legros, Lawrence J. Hirsch, M. Brandon Westover, Nicolas Gaspard

R (mstate) and MATLAB code with de-identified data for a 3-state multistate survival model of time-dependent seizure risk on continuous EEG in critically ill patients (665 consecutive cEEGs).

Published: July 8, 2026. Version: 1.0.0


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 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


Software Credentialed Access

Effects of epileptiform activity on discharge outcome in critically ill patients

Harsh Parikh, Kentaro Hoffman, Haoqi Sun, Sahar F. Zafar, Wendong Ge, Jin Jing, Lin Liu, Jimeng Sun, Aaron F Struck, Alexander Volfovsky, Cynthia Rudin, M. Brandon Westover

De-identified data and a PK-PD + MALTS causal-inference pipeline reproducing the effect of untreated epileptiform-activity burden on poor discharge outcome in critically ill patients (Parikh et al., Lancet Digital Health 2023).

Published: July 11, 2026. Version: 1.0.1


Software Credentialed Access

A Primer on EEG Spectrograms: a de-identified EEG/qEEG teaching atlas

Marcus Ng, Jin Jing, M. Brandon Westover

A de-identified teaching atlas of 224 labeled EEG segments, each pairing raw EEG with its qEEG spectrogram, plus MATLAB code to regenerate the paired figures. Accompanies "A Primer on EEG Spectrograms" (Ng et al., 2022).

Published: July 10, 2026. Version: 1.0.0


Software Credentialed Access

Epileptiform activity and outcomes in toxic-metabolic encephalopathy

Paul M. Chen, Saskia S. Schuurmans Stekhoven, Hiba Haider, Jin Jing, Wendong Ge, Eric Rosenthal, M. Brandon Westover, Sahar F. Zafar

De-identified data and reproduction code for a retrospective cEEG study of ictal-interictal continuum patterns and outcomes in 121 patients with toxic-metabolic encephalopathy (MGH, 2012-2017).

Published: July 10, 2026. Version: 1.0.0


Software Credentialed Access

2HELPS2B: an EEG-based risk score for seizure probability in hospitalized patients

Aaron F Struck, Berk Ustun, Andres A. Rodriguez Ruiz, Jong Woo Lee, Suzette M. LaRoche, Lawrence J. Hirsch, emily gilmore, Jan Vlachy, Hiba Haider, Cynthia Rudin, M. Brandon Westover

MATLAB code and de-identified CCEMRC data behind the 2HELPS2B seizure-risk score: seizure probability by ictal-interictal-continuum EEG pattern (5,742 continuous-EEG records).

Published: July 9, 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