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"Reptilian complex" (also known as the "R-complex", "reptilian brain" or "lizard brain") was the name MacLean gave to the basal ganglia, structures derived from the floor of the forebrain during development. The term derives from the idea that comparative neuroanatomists once believed that the forebrains of reptiles and birds were dominated by ...
[7] [8] The idea of reptilians was popularised by David Icke, a conspiracy theorist who claims shapeshifting reptilian aliens control Earth by taking on human form and gaining political power to manipulate human societies. Icke has stated on multiple occasions that many world leaders were, or are possessed by, so-called reptilians.
Garter snake. Sexual selection in scaled reptiles studies how sexual selection manifests in snakes and lizards, which constitute the order Squamata of reptiles.Each of the over three thousand snakes use different tactics in acquiring mates. [1]
Anthropomorphic reptilian races or beings commonly appear in fantasy and science fiction. They can be based on various reptiles, like lizards, crocodiles, alligators, snakes, dinosaurs, and the fictional dragons. They are often depicted as powerful warriors, though their relative intelligence to humans varies – as with other anthropomorphic ...
Reptiles, from Nouveau Larousse Illustré, 1897–1904, notice the inclusion of amphibians (below the crocodiles). In the 13th century, the category of reptile was recognized in Europe as consisting of a miscellany of egg-laying creatures, including "snakes, various fantastic monsters, lizards, assorted amphibians, and worms", as recorded by Beauvais in his Mirror of Nature. [7]
Human uses of reptiles have for centuries included both symbolic and practical interactions. Symbolic uses of reptiles include accounts in mythology , religion, and folklore as well as pictorial symbols such as medicine's serpent-entwined caduceus .
The neomammalian brain is one of three aspects of Paul MacLean's triune theory of the human brain.MacLean was an American physician and neuroscientist who formulated his model in the 1960s, which was published in his own 1990 book The Triune Brain in Evolution. [1]
The ethological concept of species-typical behavior is based on the premise that certain behavioral similarities are shared by almost all members of a species. [1] Some of these behaviors are unique to certain species, but to be 'species-typical' they do not have to be unique, they simply have to be characteristic of that species.