Compared to the complexity of social life, the diet of primates may better predict their brain capacity. This study, published in Nature-Ecology and Evolution, is by far the largest of its kind in the analysis, and it is currently Questions have been raised about why humans and some primates have evolved larger brains than most animals. After considering the evolutionary kinship and size of each species, the authors found that fruit-eating primates There are more brain tissues than primates that eat plant leaves. Although the author's analysis failed to explain why eating fruit brings a larger brain, they believe that this may be caused by cognitive needs (and memory of fruit location, artisanal Extraction of flesh) and calorie reward (ingestion of calorie-rich fruits instead of calorie-depleted plant leaves). Consistent with the meaning of this text:. ['Diet may have an inevitable link to primate brain capacity.', 'The hypothesis that many primates have evolved the larger brains of most animals has no value.', 'It is clear why the brain tissue of primates that eat fruit is more than that of primates that eat plant leaves.', 'The complexity of social life does not predict primate brain capacity.']