The reticular formation is a region in the brainstem that is involved in multiple tasks such as regulating the sleep-wake 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.
Read more about Reticular Formation: Functions, Pathology, History and Etymology, Structure, Anatomy, Medial and Lateral Reticular Formation
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