Resources


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

Software Credentialed Access

Philosopher's Stone

Wolfgang Ganglberger, Haoqi Sun, Niels Turley, Ayush Tripathi, Peter Hadar, Kaileigh Gallagher, Ryan Tesh, Soriul Kim, Samaneh Nasiri, Yue Leng, Stephanie Harrison, Katie Stone, Timothy Hughes, Susan Redline, Rhoda Au, Dara S. Manoach, Hans-Peter Landolt, Reto Huber, Emmanuel Mignot, Chol Shin, Sydney Cash, Robert Thomas, M Brandon Westover

Initial version

brain health artificial intelligence machine learning sleep

Published: Nov. 26, 2025. 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

Software Open Access

Sleep Electroencaphalography-Based Brain Age Index

Haoqi Sun, Jefferson Tales Oliva, Oluwaseun Akeju, Robert Thomas, M Brandon Westover

Sleep EEG based brain age index is included in Luna v0.99 release.

Published: Nov. 13, 2024. Version: 0.99