Cartwright, Emily, Chinedu Okonkwo, and Salma Al-Hinai. 2026. “Predicting Adolescent Depressive Symptom Severity from Rumination, Sleep Variability, and Heart-Rate Variability Using Multimodal Deep Learning”. Journal of Adolescent and Youth Psychological Studies (JAYPS) 7 (4): 1-11. https://doi.org/10.61838/.