People often say that "character determines destiny," Everyone wants to have my own satisfaction character. According to US media reports, the United States there is a woman born "fearless" American University of Iowa scientists have these women were called "SM" has more than 15 years of research. They found that, "SM" suffering from a rare autosomal recessive genetic disease - Lipoproteins deposition disease, the disease made her brain responsible for fear, the amygdala does not work. Even if someone pointed a gun at the woman, she would not show a trace of in the event of robbery, she did not even reported to the police, because in her opinion this is simply not the thing.
Personality really influenced by genetic factors do? Congenital and acquired factors in the end to how much influence a person's character? Acquired factors can change a person's character? I interviewed the Chinese Academy of Sciences Institute of Psychology Research Professor Li Movies.
The existence of "personality genes"
In 1993, the journal "Science" published Nijmegen University geneticist Han Brunner studies. The study carried out for a Dutch family, a lot of male members of the family have some strange attack, such as nudity, arson, rape and so on. Their anger seems to be very low threshold, some ordinary people it seems worth mentioning that frustration and stress can provoke these people inexplicable madness, even beating them angry man. After their genetic analysis, these men found the body lacks the gene encoding monoamine oxidase. Since then, scientists continue to find evidence of the presence of genes associated with the character.
Lee Xinying said that the current character and gene association study, researchers mainly concerned with the brain neurotransmitter-related genes. "For example, if the person is less brain neurotransmitter 'serotonin', people are likely to depression, serotonin gene, the serotonin transporter gene and so people in depression. There norepinephrine , monoamine oxidase neurotransmitters in the brain will have an impact on human psychology and behavior. "
We often hear people say that someone who exists a genetic trait, for example, someone has a "risk gene" "happy gene" "depression gene" and, for this the personal characteristics of genes directly linked to the statement, Lee Xinying said that the current scientific community which genes influence human character by not yet clear, only a superficial knowledge of fur. But there is indeed a relationship between certain genes and personality behavior. "For example, we humans are present MAOA gene, known violent gene that attacks human sexual behavior, as well as 5-HTT genes related with feelings of happiness and so on."
Character influenced by genetics
Since the human body has a certain relationship between genes and personality, whether that person's character by the hereditary effects? Lee explained that the new film, "risky behavior" "Character" (personality psychology called) and "depression" and will be affected by genetic, hereditary rate of about 40% to 60%.
Saying said "Like father like son", people often think of children's character will be the character with his parents. Lee, however, the new film represents experimental results show that parents and children personality character weak correlation, that is to say, although the child's genes from the parents, but the role of genes is not necessarily apparent. Their personality may be like their parents, other family members may also like may also be unlike anybody. For example, both parents may be introverted, and their kids are very outgoing.
"Genetic influence psychological and behavioral manifestations of the most obvious is between identical twins." Lee stressed that the new film, "character correlation between identical twins are often strong." Recently in the circle of friends and microblogging heat transfer the BBC documentary "a pair of spaced at the ends of the world Chinese twins" also confirmed this point, a pair of monozygotic twins are China were a family and a Norwegian American family adoption, although the two sisters living in different environments, but grew meet after two very congenial temperament, they became separated horizon pair confidant.
Acquired and congenital factors influence personality
Although personality and genetic factors, but it acquired a greater environmental impact, it is closely related to the character of the family and social environment factors.
"Environmental impact of human personality is often higher than genetic influence on the character," said Li film, a good environment for the day after tomorrow is very important to develop good character, if a child lives in a poor family environment, their parents frequently applied to abuse, domestic violence, child psychology that will certainly have a negative impact.
Experts said that when a child is born, although it will show a different temperament, for example, some would be more impatient, bad care, some are meek and gentle, better care, but this temperament will be affected by postnatal environment slowly becomes more stable Personality.
Since the character by the large environmental impact, then we can change their character it? Li Xinying said: "The character is actually no good or bad, but if you own personality satisfied, you can through their own efforts to make some adjustments such as you are introverted person, but to do public relations work, you can yourself to pay more. exercise and make your own personality to adapt to this environment. "
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