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Assessment of Cognitive Functions,
Psychomotor Performance and Attention Deficit
Hyperactivity Disorders among Students
with Dyslexia

Research Department
Research Journal
International Neuropsychiatric Disease Journal
Research Member
Research Rank
1
Research Vol
2(6)
Research Website
www.sciencedomain.org
Research Year
2014
Research Abstract

Aim: The present study presented as a comparison of the cognitive functions,
psychomotor performance and attention deficit hyperactivity disorders between dyslexic
and control students.
Method: This was a randomized study. The participants were 33 dyslexic students and
34 age, gender, and IQ-matched control students. The major evaluation tools included
were Stanford Binet fourth edition for cognitive function, Quick neurological screening
scale for learning disabilities, Behavioral Characteristics Rating Scales for Learning
Disabilities, three Arabic standardized scales for reading and comprehension and two
scales for attention deficit hyperactivity disorders (ADHD).
Results: Comparisons of the 2 groups of students revealed that significantly impairment
of some cognitive functions as verbal reasoning, abstract visual reasoning, short term
memory and intelligent quotient. Also, impairment of psychomotor performance and
higher scores of ADHD were detected among dyslexic group than control group.
Conclusion: Association between dyslexia and ADHD are accompanied with more
deterioration in some cognitive functions and psychomotor performance.