Principles of Minimal Cognition: Casting Cognition as Sensorimotor Coordination. - Marc van Duijn; Fred Keijzer; Daan Franken (Adapt. Behav., 2006)

What nervous systems do: early evolution, input-output, and the skin brain thesis. - Fred Keijzer; Marc van Duijn; Pamela Lyon (Adapt. Behav., 2013)