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[7] Before the evolutionary development of the brain, nerve nets, the simplest form of a nervous system developed. These nerve nets were a sort of precursor for the more evolutionarily advanced brains. They were first observed in Cnidaria and consist of a number of neurons spread apart that allow the organism to respond to physical contact ...
Cortical white matter increases from childhood (~9 years) to adolescence (~14 years), most notably in the frontal and parietal cortices. [8] Cortical grey matter development peaks at ~12 years of age in the frontal and parietal cortices, and 14–16 years in the temporal lobes (with the superior temporal cortex being last to mature), peaking at about roughly the same age in both sexes ...
Bipedal tool-using primates from the subtribe Hominina date back to as far as about 5 to 7 million years ago, such as one of the earliest species, Sahelanthropus tchadensis. From about 5 million years ago, the hominin brain began to develop rapidly in both size and differentiation of function.
The earliest reference to the brain occurs in the Edwin Smith Surgical Papyrus, written in the 17th century BC. The hieroglyph for brain, occurring eight times in this papyrus, describes the symptoms, diagnosis, and prognosis of two patients, wounded in the head, who had compound fractures of the skull. The assessments of the author (a ...
It has been argued that human evolution has accelerated since the development of agriculture 10,000 years ago and civilization some 5,000 years ago, resulting, it is claimed, in substantial genetic differences between different current human populations, [210] and more recent research indicates that for some traits, the developments and ...
ROCKFORD, Ill. (WTVO) – The American Academy of Pediatrics has updated its literacy promotion policy for the first time in 10 years. The update is based on research that shows that it’s never ...
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For years, the medical community has stressed that being active makes you happier and healthier. But new research suggests that even daily tasks, like walking regularly and doing chores, could ...