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Saturday, 12 January 2013
The human brain has a memory capacity thousands of times greater than the most powerful computers available today. The mass of gray (gray matter) is a storage device that could greatlydiandalakan. However, why can not we remember the toddler or the first time we are born into the world?
Instead of being born, our brain can not remember the days whenwe were babies or toddlers. Apparently no matter how hard we try,we can only go back memories until we are 4-5 years old.
Why is that? One theory is it's because of myelin, the protectivecoating that helps nerve signals the brain delivery. Well, before the age of 5 years, the myelin in the brain of a baby is still very small."Myelin is essential for maintaining long-term memory," saidJonathan Schooter, PhD, a psychologist from the University ofBritish Columbia.
Another theory states, so we began to learn to speak, we can no longer access the memories we have created in the fluent speech."With the increasing development of a child's language skills, the way he thinks will also be changed so that the supposedly more difficult to recall memories of the past," he said.
Myelin is what the hell??
Myelin sheath is a phospholipid layer that surrounds the axons ofmany neurons. Mengsuplai Schwann cell myelin for peripheralneurons, where oligodendrosit mengsuplai to the central nervous system. Myelin is a characteristic of vertebrate (gnathostome), butalso raised by parallel evolution of some invertebrates. Myelin was discovered by Louis-Antoine Ranvier in 1878.
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