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Genetic Brain-英国论文范文精选

2016-07-04 | 来源:51due教员组 | 类别:更多范文

51Due英国论文代写网精选assignment代写范文:“Genetic Brain”,这篇论文讨论了大脑基因遗传。大脑的结构差异使得孩子更容易接受语言。基因不是影响人智力的唯一因素。事实上,用智商来判断一个人的智力太武断了。一个人的认知能力应该仔细判断,考虑到许多因素。例如,一种人有特别的记忆能力,在数学和艺术方面非常有才华,但语言能力却很差。基于这种情况,它是很难判定这些人的智商高低。

This report briefly shows the result of a cutting-edge research on the brain genetic. The purpose of this research group is to reveal the genes expression that makes human more intellectual than monkey and chimpanzee.

The result shows that seven groups of modular genes differentially expressed in human and in the others seem to be involved in linking nerve cells together, and make human brains more receptive to changes for longer than is true for chimps or monkeys. This research result gives us a clue about education of young children.

The research shows that human minds are more receptive to changes to the age of about five. This result is supported by the observation that human babies learn language much faster and better than human adults.

Beside the structural difference of brain makes children more receptive to language, Some other researchers studying the language learning ability of baby attribute this special talent to the ways baby learns it. A research work from Lewkowicz DJ observed that development of speech production capacity relies on changes in selective audiovisual attention and that it depends critically on early experience.

This conclusion was made based on the experiment that the baby will pay attention to the mouth of speaker at the first time regardless of language and then shift back to eyes if they hear their native language but nonnative speech. Therefore, based on the research results above, some sort of learning should be crammed in young children when they are most receptive: foreign language, musicality and maths and save other subject like science, economics and literature later. However, Even though intriguing and inspiring, unravel the mystery of intelligence by comparing humans and “lower” primatives are not the only methods researchers do in brain genetic.

Deary IJ et al compared humans of different intelligence phenotypes; that is, people of higher intelligence and people of less intelligence. He also compared people with specific talents and compared people of young and old to find the genetic foundation of cognitive skills. All these researches was done based on the assumption that human’s intelligence are pre-built only based on genes formed by every bit of nucleotide sequences. They neglect the importance of ambient impact and postnatal environment.

Some report shows that if a pair of twins was separated from each other and adopted in two different family the IQ of them would vary after they grow up. Children who lived in a higher educated family are more likely to have a higher IQ. Also, it was reported that some so called wolf-child only have intelligence as wolves and cannot learn human language after they were found, even though their brain are structurally no different from normal human beings.

Other studies on twins and siblings also indicate that genes are not the only factor infect people’s intelligence. The contribution of other factors in terms of environment, education, and occupation was tested and discussed. In fact, using the concept of IQ to judge a person’s intelligence is too arbitrary.

The cognitive ability of a person should be judged carefully and taking many factors into account. For example, there is a kind of people who have extraordinary memory ability, talented in math or arts, but not very smart in the other aspect like language and social skill. Based on current criteria, it is not easy to say whether these people have high intelligence or low intelligence.

Moreover, the social status of a person is hardly judged only by IQ. It was said that the former president Jorge bush’s IQ is below the average level, but he still won the presidency with his personal charisma. Moreover, trying to interpret the intelligence with differential gene expression patterns may neglect other important facts that also can contribute the difference between intelligence of modern human and primitive.

The human brains are much bigger than primitives and the ratio of brain weight to the body weight is the highest among all the animals in our planet. The intelligence may be greatly improved just because we human have a big brain, which can process more information and remember more things. In summary, the intelligence of human involves various factors.

We have little knowledge about our brains as we have about the nature and the universe. There is still a long way to go for those researchers.

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