sentence: Predators tend to have larger brains.
sentences_before: Averaging across all mammals, it follows a power law, with an exponent of about 0.75.Armstrong E 1983. This formula applies to the average brain of mammals but each family departs from it, reflecting their sophistication of behavior. For example, primates have brains 5 to 10 times as large as the formula predicts.
sentences_after: When the mammalian brain increases in size, not all parts increase at the same rate. The larger the brain of a species, the greater the fraction taken up by the neocortex. Developmental structure in brain evolution.
concept_name: predator
headings: Vertebrate brain Brain size Mammals
categories: Brain