What do you mean by children going back to ancient times?

Back to ancient times, it also means atavism. To say that children are atavism means that children are naughty, like monkeys.

Atavism is a special genetic phenomenon. It refers to the anatomical and physiological characteristics of human ancestors who have disappeared in modern people. So atavism is also a kind of evidence of biological evolution.

Interesting talk about returning to the ancestors

Atavism is an uncommon phenomenon of biological "degradation". As we all know, domestic chickens, ducks and geese have long lost their flying ability after long-term domestication by human beings. However, in domestic chickens, ducks and geese, sometimes there will be a kind of chickens, ducks and geese with particularly strong flying ability. The chicken, duck and goose regained their flying ability because of atavism.

Atavism is also reflected in human beings. For example, a hairy child born with hair is an atavistic "degeneration" phenomenon of human hair, tissues and organs, and ears can move greatly, which can be classified as atavistic "degeneration" phenomenon of nervous system, and people with tails can be classified as atavistic "degeneration" phenomenon of degenerated organs. Therefore, the location of atavism is uncertain.

By analogy, the function of other human organs can not rule out atavism. Although the atavism with hair and tail mentioned above is not strictly a disease, if some organs with special functions of human beings also have atavism, such as the neural coordination system that controls feelings and morality, and the atavism "degeneration" phenomenon in the brain system, because the neural coordination system in important parts of ancient human beings is not exactly the same as that of modern people, and the intelligence level is relatively low, this person may show some kind of congenital psychological disorder, congenital nervous system disease, congenital mental retardation and so on.

Therefore, it cannot be completely ruled out that the causes of individual congenital psychosis and congenital mental retardation are related to the atavism of neural coordination system and brain system. If it can be proved that the causes of congenital psychosis and mental retardation are indeed related to the atavism of neural coordination system and brain system, we can treat patients differently according to the different causes of psychosis and mental retardation in the treatment process and prescribe the right medicine.

So far, people's understanding of the causes and essence of congenital mental illness and congenital mental retardation is still relatively backward. Studying the "degeneration" of atavism may explain some reasons of congenital mental illness and congenital mental retardation, and at the same time deepen people's understanding of the process of biological evolution.