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Discovery This Neurological Disorder Or Disease Discovered Term Paper

Discovery This neurological disorder or disease discovered and first described in 1966 by an Austrian physician, Dr. Andreas Rett

A paper published on the disorder in an English medical journal in 1983 by Dr. Bengst Hagberg and associates. Global awareness established and thengrew. First diagnoses of unidentified cases made.

Disorder initially observed to affect only girls of different races worldwide

Detailed Cause/s

Mutations in an X chromosome gene called MeCP2.

First discovered at the laboratory by Dr. Huda Zoghbi, a neurogeneticist, in October 1999

Primarily affects girls but recently found to affect boys as well

Condition between 6 to 18 months and progresses in stages

A developmental, not a genetic or nutritional, disorder

Affects 1 in 10,000 to 23,000 females worldwide

Apparently normal pregnancy and delivery for the mother and normal development of voluntary movements to the affected person

Symptoms

Deceleration of head growth between 6 and 18 months

nths
Unexplained loss of normally acquired and appropriate hand skills at 5 to 30 months

Disappearance of verbal language or severely impaired speech

Social withdrawal

Severely impaired understanding of language

Severe retardation of intellectual development

Disappearance of learned behavioral, social and voluntary motor skills

Constant and defined pattern of hand movements, such as wringing, hanging, squeezing, clapping, tapping, washing, rubbing and mouthing during wakefulness, appearing after the loss of learned hand skills

Between 1 and 4 years, a jerky gait with locking of joints into one position, reducing the ability to move to another position

Wide-based and stiff gaits if capable of walking

Shaking of the torso when disturbed

Breathing irregularities and hyperventilation

Seizures

Grinding of the teeth

Scoliosis

Decreased body fat and muscle mass and tone

Poor circulation in the legs and feet, making…

Sources used in this document:
BIBLIOGRAPHY

Baker, O (1999). Faculty Control Gene Underlines Retardation (Rett Syndrome).

Science News, Science Service, Inc.

Gene Today ... Gone Tomorrow (October 1999). Nature Genetics

Lewis, Jackie and Debbie Wilson (1998). Pathways to Learning in Rett Syndrome.
http://www.rettsyndrome.org/main/medical_literature_updtes.htm (Feb 2002)
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