Cerebro Y Lectura

The brain can be understood as an organ that adapts to several types of internal and external influences. The interaction of these complex concurrent stimuli along life shapes the highly differentiated biologic arrangement of the brain and its consequent physiology, at any given time.
The past years have seen a significant development of the knowledge about the neural substrate of language in its oral and written forms. This is, in part, the result of understanding acquired oral and written language disorders (see, for example, the reviews of Neville and Bavelier [1], Patterson and Ralph [2], and Price [3]), of studies on the influence of sensory deprivation on the harmony of the ...

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for the lexicon-semantic components;

3. visual cortex, and its connections to mechanisms 1 and 2, responsible for reading;

4. parietal cortex and the dorsal visual connection responsible for visually guided movement that is the origin of writing; and

5. connections among all of these mechanisms.

Learning to Read

There is considerable evidence that the mastering of the written component of language entails the action of many more areas of the brain than those simply responsible for the mechanisms of oral production (as represented in the cartoon in Fig. 1). Learning orthography can be considered as involving the adding at least of a visuo-spatial component to a previous existing audio- temporal mechanism.
The adaptation to the new type of information concerns not only the recruitment of new mechanisms and therefore new regions of the brain but also a change in the proper oral-language-supporting mechanism. In the case of reading, bringing the implicit ...

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PAPER DETAILS
Added: 4/27/2011 11:07:09 AM
Submitted By: alyna
Category: Biology
Type: Free Paper
Words: 588
Pages: 3

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