John Quarles
John Quarles has 1 paper in the ChatPPG research atlas (2026), linked to 1 model and 7 co-authors in the atlas. Main topics: ECG, cognitive-load, LeadBridge, ProFine, transfer.
Papers
- CogAdapt: Adapting Clinical ECG Foundation Models for Wearable Cognitive Load Assessment2026 · arXiv preprint
This paper presents CogAdapt, which adapts a clinical ECG foundation model to estimate cognitive load from wearable ECG. Its ProFine strategy unfreezes encoder layers in stages to limit drift. On CLARE and CL-Drive with leave-one-subject-out testing it reached macro-F1 of 0.626 and 0.768, 11.2 and 16.1 points above models trained from scratch.
- Published: ArXiv preprint, 2026
- Signals: ECG
- Result: On two public datasets (CLARE and CL-Drive) under leave-one-subject-out cross-validation, CogAdapt reaches macro-F1 of 0.626 and 0.768, improving over from-scratch baselines by 11.2 and 16.1 percentage points.