Hypothalamic-pituitary-adrenal axis exhibits ultradian (~hourly) cortisol pulses arising from delay-differential equation dC/dt = α A(t-τ) - k C with negative feedback A→C, transit delay τ. Walker-Spiga-Lightman model reproduces…
Hypothalamic-pituitary-adrenal axis exhibits ultradian (~hourly) cortisol pulses arising from delay-differential equation dC/dt = α A(t-τ) - k C with negative feedback A→C, transit delay τ. Walker-Spiga-Lightman model reproduces…