An inborn deficit causes children with dyscalculia to have an imprecise representation of numbers

Dyscalculia is a severe and persistent disability in learning arithmetic that is often highly selective, in that it can affect children with normal intellectual ability. Karin Landerl and her team at the University of Graz, Austria, investigated the development of numerical processing in elementary school children with dyscalculia and a control group with good arithmetic skills. Children from grades 2 through 4 were asked to repeatedly perform simple computer tasks, for example selecting the larger number or set of dots, counting dots, or placing numbers on a number line...

Source: http://feedproxy.google.com/~r/mnt/healthnews/~3/sqz7h2i2N_w/263840.php

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