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    Home > Food News > Food Articles > What are the differences in brain development between apes? Neurons in the human brain develop more slowly

    What are the differences in brain development between apes? Neurons in the human brain develop more slowly

    • Last Update: 2021-03-01
    • Source: Internet
    • Author: User
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    brain is typical of humans. The human brain is considered to be the most complex organ of many tissues in the animal kingdom, and even some scientists claim that the brain is the most complex object known.
    In fact, a significant area of the human brain originally had molecular characteristics very similar to those of our primate relatives, but the human brain has changed dramatically since the polarization of chimpanzees and other great apes. However, the genetic and developmental processes behind this differentiation have not been fully understood.
    scientists who study the human brain believe that brain-like organs (brain-like tissue) grown from induced pluripotent stem cells offer the possibility for laboratory study of brain development and evolution.
    With this in mind, Barbara Trutren, a scientist at the Federal Institute of Technology in Zurich, Switzerland, and her colleagues conducted a four-month study of brain organs from human stem cell sources through the development of pluripotent stem cells in an attempt to detect changes in human-specific gene regulation.
    team then studied brain organs in chimpanzees and macaques to understand how human organs develop differently.
    on the same developmental nodes, scientists found that cortogenic neuron specificity was observed in gorilla and macaque-like organs that were more pronounced than in human-like organs. This suggests that human neurons are developing more slowly than the other two primates.
    researchers believe their data provide a resource for a more understanding of the different gene regulatory mechanisms of brain development in humans and chimpanzees., Oct. 16 (Xinhua Gu Gang) The human brain is about three times that of apes, not entirely because of the evolution of the brain and the structure of the ape brain, for example, people can talk or make tools. As a new study by anthropologists at the University of Suez suggests, these changes in the human brain during evolution are not related to changes in the skull, but develop independently.
    researchers have been studying the relationship between the human brain and skull and how they interact during human evolution. The human brain floats like a fish in an aquarium in a liquid-filled skull, almost completely filled. The brain is the largest and most complex structure in the central nervous system, and it is also the organ that regulates the function of the human body, and it is the material basis of advanced neural activities such as consciousness, spirit, language, learning, memory and intelligence. The surface of the hemisphere of the brain presents different grooves or fissures. The bulging part between the ditches is called the brain back. Scientists hope to find the relationship between the brain and the skull through a comparative study of humans and chimpanzees.
    , of the Institute of Anthropology at the University of Zurich in Switzerland, used computer tomography and MRI to analyze imaging data from humans and chimpanzees. The combination of the two imaging techniques allowed him to quantify the spatial relationship between the fracture of the brain and the brain's backsome on the one hand, and the gap between the skull on the other. The results show that the characteristic spatial relationship between human brain and skull structure is significantly different from that between chimpanzees. In the course of human evolution, the brain and skull evolved at the same time, but were largely independent of each other.
    Further studies have shown that the brain structure associated with complex cognitive tasks, such as language, social behavior, thinking patterns, or manual agility, has evolved significantly, which is evident in changes in the forehead of human characteristics. But this recombination inside the brain has no effect on the remodeling parallel to the skull. The study found that the decisive thing was to walk upright on both legs, and in order to improve the balance of the head on the spine, the spinal opening at the bottom of the skull moved forward during human evolution. Skull changes such as these have no effect on the development of brain structure, and gait erection plays a key role in the structural changes of the human brain, which is the biggest difference from chimpanzees in human evolution.
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