Scientists and psychologists have long unsolved a mystery-why do we forget what happened in childhood? This is the most carefree and happy time in life. At present, the two scientists believe that they have found the answer to the mystery, pointing out that the rapid growth of cells in the memory center of the brain in early life means that the key connections between the brain memory cells that existed in the early stage will be replaced by replacement. Memory is unlikely to be recovered.
At the Canadian Neuroscience Conference, experts heard theoretical explanations about why babies can only remember birthday party events for a few days. In contrast, the connection between the brain cells of older children and adults becomes more stable, allowing memories to be well stored.
This theory was put forward by a couple of scientists, they are Paul Frankland and Sheena Josselyn from the University of Toronto in Canada. They pointed out that the cells formed in the memory center of young mice are more likely to make They forget some memories. At the same time, it was also found that young rats cannot produce normal memory cells with better memories.
Previous studies have shown that we cannot recall things before the age of 2-3, and can only produce some fragmented memories between the ages of 3-7. There are many factors in the explanation of this phenomenon, including: the memory fades with time, and the form of memory is closely related to the form of language ability. For years, infantile amnesia has been an inexplicable scientific mystery, and the Franks now believe that their explanatory theories are somewhat convincing.
Frankde said that our latest research explains why there are few memories of human childhood, and at the same time, it is also beneficial to fail to recall the details of childhood life. For example: Their two-year-old daughter suddenly cried when the birthday cake candle burned out. They pointed out that this event will leave a permanent mark in our memory. We can vividly recall the unhappy things in the birthday celebration. Our daughter will also remember this matter, but only one or two days of memory, the second She will shout "No candle" and shake her head vigorously. Why should we make our daughter's memories scarred? Infant amnesia will make them forget some things in their childhood. When their daughters become adults, they will not clearly recall the "candle event" on their second birthday.
Outdoor furniture refers to furniture used for outdoor environment, mainly used for outdoor leisure, entertainment and dining activities. The classification of outdoor furniture can be divided according to the material, function and shape.
First, classification by material
1. Wooden outdoor furniture: Wooden outdoor furniture is usually made of natural wood, such as teak. Wooden furniture has a natural, rustic character and is suitable for outdoor Spaces such as gardens, terraces and courtyards.
2. Metal outdoor furniture: Metal outdoor furniture is usually made of iron, aluminum, stainless steel and other metal materials. Metal furniture has the characteristics of durability and stability, suitable for long-term use in outdoor environment.
3. Cloth outdoor furniture: Cloth outdoor furniture is usually made of waterproof, sun protection and other special treatment of fabric. Fabric furniture with soft, comfortable characteristics, suitable for use in outdoor leisure areas.
Second, Classification by function
1. Leisure Chair: Leisure chair is the most common kind of outdoor furniture, usually used for outdoor leisure, sunbathing and other activities. There are a variety of leisure chairs, folding chairs, recliners, rocking chairs and so on.
2. Dining Table And Chair: Dining table and chair are mainly used for outdoor dining, usually consisting of a table and several chairs. Dining tables and chairs of various styles, there are round tables, square tables, etc., suitable for different venues and the number of people dining needs.
3. Parasol: Parasol is used for outdoor shading, which can effectively block direct sunlight and provide a cool resting environment. There are various styles of sunshade umbrellas, including ordinary umbrellas, large umbrellas, and rotating umbrellas.
Third, Classification by shape
1. Chairs: including ordinary chairs, rocking chairs, recliners, etc., suitable for outdoor leisure and sun.
2. Table category: including dining table, coffee table, side table, etc., suitable for outdoor dining and placing items.
3. Sofa category: including single sofa, double sofa, combination sofa, etc., suitable for outdoor leisure and parties.
4. Reclining chairs: including hammocks, reclining chairs, etc., suitable for outdoor naps and rest.
5. Queue class: including benches, benches, etc., suitable for outdoor queuing and waiting.
In summary, the classification of outdoor furniture can be divided according to material, function and shape. Different outdoor furniture is suitable for different outdoor environment and activity needs, choose suitable outdoor furniture can provide comfortable and convenient outdoor life experience.
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