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Paleoneurology is the study of brain evolution by analysis of brain endocasts to determine endocranial traits and volumes .. brain evolution. brain evolution. endocranial. endocranium. brain. brain. Considered a subdivision of neuroscience , paleoneurology combines techniques from other fields of study including paleontology and archaeology .. neuroscience. neuroscience. paleontology. paleontology. archaeology. archaeology. It reveals specific insight concerning human evolution .. human evolution. human evolution. The cranium is unique in that it grows in response to the growth of brain tissue rather than genetic guidance , as is the case with bones that support movement .. tissue. Tissue ( biology ). brain. brain. Fossil skulls and their endocasts can be compared to each other , to the skulls and fossils of recently deceased individuals , and even compared to those of other species to make inferences about functional anatomy , physiology and phylogeny .. anatomy. anatomy. physiology. physiology. phylogeny. phylogenetics. Paleoneurology is in large part influenced by developments in neuroscience as a whole ; without substantial knowledge about current functionality , it would be impossible to make inferences about the functionality of ancient brains .. neuroscience. neuroscience. Hominid paleoneurology refers specifically to the study of brain evolution by directly examining the fossil record of humans and their closest hominid relatives -LRB- defined as species more closely related to humans than chimpanzees -RRB- .. brain evolution. brain evolution. brain. brain. Hominid. Hominid. fossil record. fossil record. Paleoneurologists analyze endocasts that reproduce details of the external morphology of brains that have been imprinted on the internal surfaces of skulls .. morphology. Morphology ( biology )