![]() ![]() To support her theory, she states that while the human and primate brains were of the same size around the time humans developed the first stone tools, our brains started developing as we learned to process our food with the available tools. ![]() On the other hand, “Cooking allowed us to overcome an energetic barrier that restricts the size of the brains of other primates,” Herculano-Houzel says. Primates spend a large part of their day in foraging for food and largely consume raw food. Average number of neurons in the brain 86 billion (Frederico Azevedo et al., Equal numbers of neuronal and nonneuronal cells make the human brain an. The brain uses 25% of all the energy the body needs therefore, it needs to be provided with food for it to develop. Suzana Herculano-Houzel, who led the study, believes that the invention of cooking helped in the human brain development. While primates such as gorillas and orangutans have 9 billion cortical neurons, humans have 16 billion cortical neurons. A new study by researchers at Vanderbilt University has revealed that there is only one feature that distinguishes human and primate brains, which is the number of cortical neurons in the brain’s prefrontal cortex. For the longest time, researchers have wondered why humans have bigger and more developed brains compared to primates. ![]()
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