Regenerative loop.
D003201:Computers; D005246:Feedback; D008128:Logic; D008959:Models, Neurological; D009434:Neural Pathways / Q000502:physiology; D009475:Neurons, Afferent / Q000502:physiology; D009991:Oscillometry; D012154:Reticular Formation / Q000502:physiology*; D009435:Synaptic Transmission