Causes of Dyslexia

Dyslexia Causes: Book Excerpts

• Principal Causes of Developmental Delay - Developmental Delay

Dyslexia as a symptom:

Conditions listing Dyslexia as a symptom may also be potential underlying causes of Dyslexia. Our database lists the following as having Dyslexia as a symptom of that condition:

• Ehlers-Danlos syndrome with periventricular heterotopia
• Muscular dystrophy, Duchenne and Becker type

Medical news summaries relating to Dyslexia:

The following medical news items are relevant to causes of Dyslexia:

• Poor eyesight, not ADHD causing bad behavior at school
• More news »

Related information on causes of Dyslexia:

As with all medical conditions, there may be many causal factors. Further relevant information on causes of Dyslexia may be found in:

• Risk factors for Dyslexia
• Hidden causes of Dyslexia

Causes of Dyslexia: Online Medical Books

16 MEDICAL BOOKS ONLINE! Review excerpts from medical books online, free, without registration, for more information about the causes of Dyslexia.

Developmental Delay: Principal Causes of Developmental Delay
(The Diagnostic Approach to Symptoms and Signs in Pediatrics)

1. Grossmotor delay
   1. Cerebralpalsy
   2. Neuromuscular disorders
2. Delayed or impaired language
   1. Impairedhearing
   2. Receptive and expressive language disorders
   3. Pervasive developmental disorders
3. Static global delay
   1. Chromosomaldisturbances
   2. Maternal or infant undernutrition
   3. Maternal drug or alcohol use
   4. Cerebral malformation
   5. Hypoxic-ischemic encephalopathy
   6. Intracranial hemorrhage
   7. Infection
   8. Brain tumor
   9. Cerebrovascular disorders
   10. Psychologic disturbances
   11. Unknown
4. Progressive global delay
   1. Neurocutaneousdisorders
      1. Tuberoussclerosis
      2. Neurofibromatosis
   2. Metabolic brain disorders
      1. Diseasesprimarily affecting gray matter (without visceral storage)
         1. GM-2 gangliosidosis(Tay-Sachs disease)
         2. Neuronal ceroid lipofuscinoses
         3. Alpers disease
         4. Menkes disease
         5. Rett syndrome
      2. Diseases primarily affecting gray matter(with visceral storage)
         1. GM-1 gangliosidosis
         2. GM-2 gangliosidosis (Sandhoff disease)
         3. Niemann-Pick disease
         4. Gaucher disease
         5. Fucosidosis
         6. Sialidosis type II
      3. Diseases primarily affecting whitematter
         1. Galactosemia
         2. Phenylketonuria
         3. Maple syrup urine disease (intermediate)
         4. Homocystinuria
         5. Urea cycle defects
         6. Canavan disease
         7. Alexander disease
         8. Globoid leukodystrophy (Krabbe disease)
         9. Pelizaeus-Merzbacher disease
         10. Metachromatic leukodystrophy
      4. Diseases affecting both gray and whitematter
         1. Mucopolysaccharidoses
            1. Mucopolysaccharidosistype I (Hurler disease)
            2. Mucopolysaccharidosis type II (Hunterdisease)
            3. Mucopolysaccharidosis type III (Sanfilippodisease)
            4. Mucopolysaccharidosis type VII (Slydisease)
         2. Mitochondrial disorders
         3. Peroxisomal disorders
      5. Miscellaneous
         1. Lesch-Nyhan syndrome
   3. Congenital hypothyroidism
   4. Human immunodeficiency virus infection

» READ BOOK EXCERPT ONLINE »

Source: The Diagnostic Approach to Symptoms and Signs in Pediatrics, 2006

 » Next page: Risk Factors for Dyslexia

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