Moderate Mental Retardation

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Moderate Mental Retardation

• Megan Crook
• "Hi, My name is....." public service announcement

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General Definition

• Criteria A
• Criteria B
• Criteria C
• IQ range of 35-40 to 50-55

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Disability Types/ Variance

• May have secondary disabilities (coexisting
  conditions)
• Sensory, motor deficits
• Physical, behavioral problems

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Etiology Prenatal Causes

• Maternal infections, trauma
• Exposure to toxic sources, alcohol and drugs
• Maternal nutrient deficiency
• Oxygen deprivation
• Obstruction of fetal blood supply

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Etiology-Hereditary Disorders

• Metabolic disorders (Phenylketonuria)
• Chromosomal abnormalities and syndromes (Down
  Syndrome, Fragile X Syndrome, Williams Syndrome)

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Down Syndrome
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Etiology- Other

• Conditions acquired during childhood
• TBI
• Meningitis
• Exposure to toxic substances

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Prognosis

• IQ of below 70-75
• Chronic disease
• Moderate reach the second-grade level of
  intellectual functioning
• Able to perform skilled and unskilled work
• Can learn to travel by themselves in familiar
  settings
• Benefit from vocational training
• Shorter life expectancy (Downs is 55 yrs)

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Resultant Handicap Physical

• Slower physical development
• Physical features of syndromes/ chromosomal
  abnormalities
• Coexisting physical conditions

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Resultant Handicap- Social

• Lack communication skills, interpersonal skills
• Social immaturity
• Trouble understanding social rules
• Disruptive and aggressive behavior that replace
  verbal communication

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Resultant Handicap- Cognitive

• Subaverage intellectual functioning