viernes, 22 de octubre de 2010

DISPELLING NEUROMYTHS: There is no time to lose as everything important about the brain is decided by the age of three

There are many information explaining that the child’s first years are crucial for his/her neurological development and that practically everything is decides at this age.
Some physiological phenomena that take place during brain development can, lead to beliefs that the critical learning stages occur between birth and age three.
Neurons are the basic component of information processing in the brain. Humans have 100 billions of them which are interconnected. Thus, information can circulate in several directions at the time. This process is known as synapses. Synapses allows skill development and learning capacity, if we consider that learning is a creation of a new synapses or the strengthening or weakening of existing synapses.
Compared to an adult, the number of synapses in newborns is low. However, when the baby is two months, the synaptic density of the brain increases exponentially and exceeds that of an adult, with a peak at ten months.
For a long time, science believed that the maximum number of neurons was fixed at birth and weren’t thought to regenerate and each individual would then lose neurons regularly. Now, is known that new neurons can appear at any point in a person’s life.
I think this neuromyth is pretty common. I’ve heard it a thousand of times. There are so many products to stimulate babies in this stage of their lives like music, food, even special training to develop their intelligence.
In relation with the use of these products, studies have been inconclusive. Although, is scientifically proven that the number of synapses in children under three years is higher than adults. But this discover doesn’t imply a relation about the density of neurons in early life stages and the ability to improve learning.

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