Do you ever just sit there looking at a horse and think, why am…
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I smarter than you horse? The brain consumes more energy than any other tissue of equivalent size in the human body. For human brains to grow and intelligence to develop, there had to be an evolutionary cause or reason behind this change. So what was it? Evolution can occur in one of two ways; microevolution, which involves lots of tiny changes over a long time, or macroevolution, whereby huge sudden changes occur very quickly. In the 1970’s Psychologist Julian Jaynes became fascinated by the idea of how human consciousness came to exist. The social brain hypothesis states that human intelligence arose in order to help us survive in large and complicated social groups.