how does the evolution of diet relate to the evolution of the brain

read The Brain and the Digestive System in Human and Primate Evolution’ and Review each portion of the paper with a concise paragraph or two based on the peer reviewed text. Some papers do not have the usual format and, for example, may include methods and results from several sources. In these cases, do your best to evaluate the methods and results as shown, even if the information on sample size or controls is not available.