TY - RPRT TI - An Analytical Description for Action Potential Thresholds Defined by Concavity Changes AU - Herrera-Valdez, M. A. PY - 2026 DO - 10.64898/2026.04.21.719992 UR - https://www.biorxiv.org/content/10.64898/2026.04.21.719992v1 ID - 10.64898/2026.04.21.719992 ER -