Definition
Paleoencephalon is another term for the older regions of the brain, responsible for fundamental instincts and emotions. It encompasses brain areas like the brainstem and parts of the limbic system. Think of it as the brain's deep roots, controlling essential functions like breathing and heart rate. It's often associated with the 'reptilian brain' concept. It governs primal behaviors like fight-or-flight responses. π₯ It's the foundation upon which higher cognitive functions are built.