Rett Syndrome Research Paper
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Rett syndrome (RTT) is a progressive neurodevelopmental disorder where females are almost exclusively affected due to its inheritance as an X-linked dominant trait. It is one of the most common causes of intellectual disability in females and it was named after Andreas Rett who first described the condition in 1966, but the syndrome was internationally recognized after Hagberg et al. described 35 cases in 1983. Rett syndrome is at first characterized by a normal development for the first 6–18 months of life, which is then followed by a period of regression in language and motor skills. The patients then proceed to loss of purposeful hand use which is replaced with repetitive stereo-typed hand movements. They usually have normal head at birth