lundi 4 décembre 2006

Children, neurones and ADD

It is interesting to know that neural connexion (dendrites number) are at an unprecedented number as a child; that is, they peak in number at an early age. One wonders if we could prevent their self-destruction or elimination of some of them by stimulating the child constantly. Of course, this doesn't seem ethical, but something tells me that this is already something parents do. Attention and memory develop at the same time as language do. To keep a child from having a boredom crisis, you try to stimulate hir as much as possible (assume the Poverty of Stimulus argument doesn't hold and that Prof Zimmerman is right that it is a Richness of Stimulus). Some children don't seem to be bothered by the fact that their stimulation rate diminishes when sent to kindergarten and further when sent to school by opposition to be in the care of their parents. Other are disturbed by the diminishing rate of information going inside their brain and become hyperactive, stimulating their brain by their own means, moving around and stuff. Other are simply too bored by the boredom of their environment, and become hypoactive. Things are not interesting enough anymore to be able to strech their attention span, and the children mentionned above become impatient by the slow rate of stimulation and prefer to do something else. Could this explain the attention disorder deficit with or w/o hyperactivity? Could an ADD child be in fact a child with still all those connexions in hir brain needing to be fed with information? Are children's brain addicted with stimulation? Do we, university students, fall back into childhood, craving information like a stimulation-deprived brain?

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