The reticular formation is a part of the brain that is involved in actions such as awaking/sleeping cycle, and filtering incoming stimuli to discriminate irrelevant background stimuli. It is essential for governing some of the basic functions of higher organisms, and is one of the phylogenetically oldest portions of the brain. [WP,unvetted].
Synonyms:
exact_synonym:
pons of varolius reticular formation; pons reticular formation; pontine reticular nucleus; reticular formation of pons; reticular formation of pons of varolius