This circuit is said to have appeared in the earliest evolution of the invertebrate brain and corresponds to the reptilian brain of the triune - brain theory . This circuit is said to have appeared in the earliest evolution of the invertebrate brain and corresponds to the reptilian brain of triune brain theory .
Litar ini dikatakan telah muncul dalam evolusi terawal otak invertebrata dan sepadan dengan otak reptilia teori triune- otak. Litar ini dikatakan telah muncul dalam evolusi terawal otak invertebrata dan sepadan dengan otak reptilia teori otak triune.