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تصفح المحتوي RDA
التصفح حسب الموضوعات
التصفح حسب اللغة
التصفح حسب الناشر
التصفح حسب تاريخ النشر
التصفح حسب مكان النشر
التصفح حسب المؤلفين
تصفح الهيئات
التصفح المؤتمرات
التصفح حسب نوع المادة
التصفح حسب العلاقة بالعمل
تم العثور علي : 11
 تم العثور علي : 11
  
 
إعادة البحث

Book 1967
ISBN: 572005938

Book 1980.
ISBN: 0849981433

Book 2004.
ISBN: 0335211526 ,0335211534

Book 1998.
ISBN: 0415183197

Book 1986.
ISBN: 0385184433 ,0385184441

Book 2000.
ISBN: 0761968199 ,0761968202

Book 2003.
ISBN: 1557988099 ,1557988080

Book 1998.
ISBN: 0415183197

Book 1998.
ISBN: 070202208x

Thesis 2009
Attention deficit hyperactivity disorder is the most commonly diagnosed behavioral disorder of childhood and the most common neurobehavioral disorder among schoolchildren affecting an estimated 2-20% of school-age children. It is a syndrome produced by multiple causes that depend on genetic factors and environmental and social adversities. Nutritional factors play major roles as well. Exposure to tobacco smoke in utero is suspected to be associated with ADHD symptoms in children. Findings also showed a number of diverse risk factors concerning pre - peri and postnatal history - and neuropsychomotor development that may be related with the disorder.
The study aimed at determining the prevalence of ADHD and accompanying comorbid disorders
- identifying possible risk factors which may have role in its etiology - and determining if there is increased prevalence of ADHD in recent years as a consequence of excessive use of use of TV - computer - internet and video games by comparing results of this study with previous one done by Ghanem et al - (1997)
The study involved children attending kindergarten and primary stages in 2 schools in Heliopolis area/ Cairo Governorate in school year 2007/2008; El-Nasr private Kindergarten and primary school and El-Gabarty public Kindergarten and primary school.
Total students in both schools were 3197 (1780 males and 1417 females)
- whose ages were between 4 to 13 years. It involved 2142 students (1259 males and 883 females) from El-Nasr private school and 1055 students (521 males and 534 females) from El-Gabarty public school.
The study group from both schools; included 251 students that fulfilled the ADHD criteria of Fourth Edition of the Diagnostic and Statistical Manual of Mental Disorders Fourth Edition
- Text Revision (DSM-IV-TR).
The control group was normal children randomly selected from the screened negative—ADHD children of the same schools and classes and matched by sex and age to get a comparable number. Their number was 330 children


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