Le site de vulgarisation scientifique de l’Université de Liège. ULg, Université de Liège
Reptilian brain

Oldest part of the brain that includes the hypothalamus and the brain stem in particular. It maintains the vital functions of the body including reproduction. This term refers to the work of Paul MacLean who distinguishes three parts in the human brain: the reptilian brain, the limbic brain and the neocortex.

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