17. Triune brain
Reptilian brain Paleo-mammalian
complex
Neo-mammalian
complex
Brain step and
cerebellum
Limbic system Neocortex
Fight or flight Emotions, Habits, and
Memories
Languages, Abstracts,
Thoughts,
Conciousness
Autopilot Decision Reasons, Rationalizes
MacLean, Paul D. (1990). The triune brain in
evolution: role in paleocerebral functions.