2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/80873A delayed differential equation modelling a single neuron with inertial term is considered in this paper. Hopf bifurcation is studied by using the normal form theory of retarded functional differential equations. When adopting a nonmonotonic activation function, chaotic behavior is observed. Phase plots, waveform plots, and power spectra are presented to confirm the chaoticity.12 pages, 7 figuresChaotic Dynamicstext