Cognitive dysfunctions

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A number of disturbances can be found in individuals with PDS that can impair the process of learning, irrespective of intelligence levels. 

These include attention deficit; concentration deficit; dyslexia, with difficulties in reading and/or difficulties in understanding text even when the text is read well; hyperactivity, with the need for constant movements even when sitting down, and hypoactivity alternating with periods of hyperactivity, with students falling asleep in class or lectures; movements with lack of precision and poor coordination; dysgraphia, presenting irregular handwriting, without following line markings and spacing; dysorthographia, making mistakes when copying and during dictation.