Summary. Why babies forget

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Коваленко Мария Владиславовна
回顾试答		Биологический факультет已结束8.00Scientist have been studying the phenomenon of “infantile amnesia” for more than a hundred years. The reason why people do not have memories from their early childhood is because children can’t properly determinate themselves and their brains are not developed enough. In a recent research another idea was shown: rapid neuron growth in a young body makes old memories inaccessible. This discovery was made by neuroscientists who studied how mice’s neurons grow. The result showed that when neuron growth was slower long-time memory was working better. But still, it is a mystery how exactly this mechanism works.
Бабич Глеб Олегович
回顾试答		Биологический факультет已结束9.00This article is devoted to mystery of “infantile amnesia”. This is the phenomenon of the disappearance of childhood memories. The author tells about the evolution of ideas about the mechanism of this phenomenon. Sigmund Freud connected it with repressed memories, but now scientists mostly assume that it happens because of lack of things like self-perception and language. However according to article there is investigations that explains “infantile amnesia” by fast growth of brain cells that can block memories and underdeveloped prefrontal cortex, another part of the brain related to memory. Full-grown brain reaches balance in recording and forgetting.
Войнова Виктория Валентиновна
回顾试答		Биологический факультет已结束10.00The article is intended to explain why babies do not remember their early childhood. According to two neuroscientists from Toronto, rapid growth of neurons in a young brain does not allow access to old memories. The results of the research show that a combination of the disruption of the brain circuity by rapid neuron growth and underdevelopment of the prefrontal cortex causes infantile amnesia. The idea that you need to be able to clear out insignificant memories for healthily functioning memory in adulthood is specially mentioned.
Журавлева Марина Валерьевна
回顾试答		Биологический факультет已结束9.00The article is devoted to the research of relations between memory and neuron growth rate. It is known that people usually can not remember their early childhood. There are two regions of the brain that encode memories: hippocampus and prefrontal cortex. A group of scientists did an experiment on mice, which showed that high neuron growth in hippocampus blocks old memories, so they become  inaccessible. Doctor Frankland mentioned that for healtthy brain function it is important not only to remember things, but to forget them either.
Жиров Иван Андреевич
回顾试答		Биологический факультет已结束10.00This text is devoted to the relationship of brain growth with childhood memories. The fact is that people and many animals can not remember being a baby. The experiment is to change rate of hippocampal neurons growing in young and adult mice. It is shown that formation of many new neurons blocks access to old memories. It is stressed that underdeveloped prefrontal cortex can be the second factor of infantile amnesia. It seems that with age a balance between formation and retention of memory is reached. Moreover, clearing the inconsequential memories is equally important memory function.
Буденная Анастасия Сергеевна
回顾试答		Биологический факультет已结束9.00This article is devoted to some features of the development of childrens memory.It is reported that  childhood amnesia is  not related with linguistics or a sense of self offers.  The author refers to the article in the "Science" journal.According to the article, this phenomenon is associated  with a hight rate of development of neurons in the young brain in combination with an underdeveloped prefrontal cortex.It is emphasized that  neurogenesis slows down with age, so the hippocampus  achieves a balance only after a few years after birth. However, as it highlighted in the article, healthy adult thinking involves selective memory.
Чистяков Александр Сергеевич
回顾试答		Биологический факультет已结束8.00The article is devoted to loss of infant memories due to the brain growing. There were many  theories to explain this fact. Anyhow, neuroscientists suggested a new explanation why infants do forget everything they faced. The theory is that growing of new neurons, which occures in the hippocampus,  blocks encoded memories. Moreover, it is similar to some other mammals. In fact, neurogenesis slows as we age, and it is highly important to keep a balance between a memory formation and retention and to clear out some inconsequential memories is a key to normal life.
Маркова Елена Николаевна
回顾试答		Биологический факультет已结束8.00This text focuses on a problem of extinction of infant memories. Many neuroscientists and psychologists was thought that this happens because of some early sexual experiences or lack of self-personalization in childhood, but researchers from hospital in Toronto have explained what is the matter. They have made brain experiments on mice, which proved, that it happens because of neurogenesis process. Finally, our hippocampus is the regulator of our memories in all ages.
Чулей Артемий Дмитриевич
回顾试答		Биологический факультет已结束10.00The text focuses on the babys inability to remember past events. According to neuroscientists Paul Frankland and Sheena Josselyn, the fast birth of neurons does not allow infants to remember past things. Experiments on mice have demonstrated that young with slowed neuron growth better remember past events. As reported in the journal Science, coaction of cortexs underdevelopment and neuron growth may be responsible for babys inability to memorize past events. In conclusion, it must be emphasised that even in adulthood humans can forget about some unimportant situations, what is considered as a normal process of brain work. 96 words
Сандалова Елизавета Владимировна
回顾试答		Биологический факультет已结束9.00According to the text, scientists for years were trying to find the cause of "infantile amnesia". Although early hypotheses describe this phenomenon only in a situation with human, some animal cubs infant memories disappear too. Neuroscientists from Toronto put forward and proved a new theory – the root is in the rapid birth of neurons in the hippocampus and in the underdevelopment of prefrontal cortex. Consequently, shortage of they functionality in early childhood becomes the cause of lack of memories. Nevertheless, loss of some memories is a normal process even if you are an adult. Thus it keeps our memory healthy.
Парамонов Михаил Сергеевич
回顾试答		Биологический факультет进行中--
Драгони Оливия Александровна
回顾试答		Биологический факультет进行中--
Соколова Вера Вадимовна
回顾试答		Биологический факультет已结束8.00This text focuses on memories from early childhood.  We well remember the events of past decades, but do not remember the time when we were babies. According to the text, not only people, but also other animals have such a phenomenon as "childhood amnesia." Because of a new experiment, scientists found that the rapid growth of neurons and the underdeveloped part of the cerebral cortex affect the memories of babies. The conclusion is that childhood memories are not preserved even because it is not a need or useful information. Babies just crawl and sleep, why remember this?
Ходжаева Евгения Сергеевна
回顾试答		Биологический факультет进行中--
Макарова Анастасия Дмитриевна
回顾试答		Биологический факультет已结束7.00The article deals with topical problem – infantile amnesia. In fact, humans are not the only animals that experience infantile amnesia. Neurologists put forward a theory: the rapid birth of many new neurons in a young brain blocks access to old memories. In the experiment, scientists manipulated the growth rate of hippocampal neurons in young and adult mice. Based on these results, neurologists believe that rapid growth of neurons disrupts the brain circuits that store old memories. Young children also have an underdeveloped prefrontal cortex, another area of the brain that encodes memories, so infantile amnesia may be a combination of these two factors. To sum up, with age, the hippocampus reaches a balance between memory formation and retention. Of course, we still forget a lot, but that may be a good thing.