While there are homologous structures, are their functions identical?

The theory saw its fullest expression in MacLean's 1990 magnum opus, The Triune Brain in Evolution, which was based on wide-ranging anatomical studies of brains ... Dec 29, 2024 ... ... brain. According to MacLean, there were actually three brains within the one human brain, which he dubbed the 'triune brain.' First there ... Mar 27, 2025 ... Explore the Triune Brain model and how it relates to mental health, therapy, and emotional well-being. Jun 14, 2022 ... How is it possible reptiles have emotions, based on the triune brain theory · Science! ... Reptiles lack a limbic system and only have the medulla ... so to speak a hierarchy of three brains in one, or what may be termed a triune brain {MacLean 1970, 1973c). What this situation implies is that we are ... Note: "The Triune Brain" is an imprecise term. It should be understood as a metaphor designed to make complex scientific concepts more accessible. Jun 21, 2017 ... Do you want to learn How to Process Emotions and improve your Mental Health? Sign up for a Therapy in a Nutshell Membership, ... Paul MacLean and the Triune Brain: NIMH scientist believes that to understand ourselves, we have to figure out what our animal brains are up to · View Options ... Apr 27, 2022 ... BUT NO LIZARDS. This notion of the lizard brain is part of the triune brain theory. This explanation of brain evolution posits that our brains ... The so-called triune brain is a myth. Experts in brain evolution no longer take it seriously. ... Nevertheless, it arises again and again in the history of ...