Regardless of what caused this disorder, a person suffering from dyscalculia has neuronal dysfunction in the region of the parietal cortex of the cerebral hemispheres. Violations are www.dyscalculiainfo.org clearly observed in the region of the intraparietal sulcus. It is here that the center is located, which is responsible for the perception of symbols and the ability to count. If a child has dyscalculia, then most often it can be found that at the same time, he also has reduced abilities for cognition and analysis of the information received. As a rule, this can be explained by insufficient processing speed of incoming data and insufficient concentration.