EntityQ1369492· pop 18· linked from 40 articlestriune brainSign in to saveTheory of the three divisions of the brain as developed by Paul D. MacLeanConnectionsfishEntitymammalEntityevolutionEntityAmphibiaEntityInternational Standard Book NumberEntityVertebrataEntityCarl SaganEntitydigital object identifierEntityInternational Standard Serial NumberEntityPulitzer PrizeEntityhypothalamusEntitycerebrumEntityOCLC, Inc.EntityQ180686EntityArthur KoestlerEntityGrey ParrotEntitybibcodeEntityJulian BarnesEntityhippocampusEntityQ229883EntityCategories1960s introductionsBiology theoriesEvolutionary neuroscienceObsolete biology theories