The Human Brain: Size and Development

This detail is one of the most important features to distinguish between humans and nonhuman primates. Many scientists have studied it and concluded that the modern human brain is 20 times bigger than the old world monkey and 4 times bigger than the gorilla (King). Recently, human population growth has been recorded with genetic markers, which may lead to recent reports of mutations in human hairy protein genes.

Despite the differences in human brain development and structure, macaws are very similar to humans. They are very intelligent and live in a very complex social group. Furthermore, if you correct the difference in body size, Macaw 's brain will be 21% higher than the brain of Taeniopygia guttata, a model system for vertebrate learning and memory. Thus, by comparing scarlet macaws, zebra finches, and the human genome we can gain a deeper understanding and understanding of important genetic differences in brain development, structure and volume.

Different species have different brains. Vertebrate brains differ greatly in absolute size and relative size. They are also highly dependent on the size of the various brain components relative to each other. The replication of many different brains ranging from the mole to the size is roughly the size from walnut to dolphin, which is almost the same as the relative size of the human brain. There are many differences in mammals. Human beings have mammary gland, hair, mandibular single bone structure, tricus medial ear structure, high fixation temperature and so on. But the most striking difference is that the male and female organs of other animals of the same species are very different. Several mammals can be divided into placenta, single and marsupial breeders

Mammalian brain size is usually proportional to body size. Humans have the greatest brains to their weight. Chimpanzees' brain volume is about 300 cm 3, gorillas are slightly larger. The human adult's brain is more than three times bigger, usually between 1,300 cubic centimeters and 1400 cubic centimeters. The human brain is not only big and complicated than an ape. Compared with scorpions, the proportion of cerebral cortex dealing with higher cognitive function is much greater for humans than for other brains.