Essay on Evolution of the Human Brain

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The purpose of this paper to examine the evolution of the human brain that distinguishes them from other species based on the traits that humans possess: such as language, emotional complexity and consciousness. The significance of traits are due to adaptations in humans to promote the survival of our ancestors. Professor Hamilton (2012) discusses that the evolution of the human brain starts with the idea of the Triune brain, proposed by MacLean, whereby the human brain is made up of three parts: Reptilian, Paleo-mammalian, and Neo-mammalian. Animals with the neo-mammalian brain have a more complex brain compared to the other parts, since this is where the neocortex evolved. Humans essentially have this higher brain function which is responsible for our ability to think, make decisions, promote agency, and the ability to relate with each other. This concept fits into the evolutionary process since it shows how the complex the brain has become through evolutionary processes. In essence, as humans, we “have a rich, evidence-based understanding of our behavior that can lead us to plan to be ‘better’ or ‘more successful’ people” according to Professor Hamilton (2012). Thus, shows how evolution plays a significance in understanding human behavior and comparing humans with other species.
As humans with the ability to have higher order thinking, we are able to think about the future and plan for it by setting goals. This allows us to place ourselves in the future, and experience a mental perception of the future that we want to have; and with that future mindset, will help guide our actions and behaviors in the present world. This is an adaptation of the brain development since it allows us to be better adequate and prepared for a s...

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Grysman, A. (2012). Evolutionary Psychology [PowerPoint slides]. Retrieved from Soul Beliefs: Causes and Consequences Online Course site:

Grysman, A. (2012). Evolution of the Brain[PowerPoint slides]. Retrieved from Soul Beliefs: Causes and Consequences Online Course site:

Hamilton, L.W. (2012). The Brain and Our Emotional Future: Foundations of Emotions [PowerPoint slides]. Retrieved from Soul Beliefs: Causes and Consequences Online Course site:

Hamilton, L.W. (2012). Introduction to Our Ancestors [PowerPoint slides]. Retrieved from Soul Beliefs: Causes and Consequences Online Course site:

Hamilton, L.W. (2012). Human Spark. [PowerPoint slides]. Retrieved from Soul Beliefs: Causes and Consequences Online Course site:

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