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From: joe donaher
Date: 10/6/03
Time: 10:32:25 AM
Remote Name: 159.14.201.117
There is some interesting work on TS and autistic spectrum disorders. For example, patients with Asperger's Syndrome frequently exhibit motor and phonic tics which meet the diagnostic criteria for TS. Researchers have estimated as high as a 6.5% prevalence rate of TS in individuals with Autism (Baron-Cohen et al., 1999; Kadesjo & Gillberg, 2000; Ringman JM, & Jankovic J, 2000). This is substantially higher than the estimated 3% prevalence in the general population. Kadesjo & Gillberg (2000) suggest that approximately two thirds of the individuals with TS also demonstrate Autistic Spectrum Disorders (Kadesjo & Gillberg, 2000).