Language function is preserved in
(B) Asperger's syndrome # Autism (i.e. marked impairment in reciprocal social and interpersonal interaction):i. Absent social smile,ii. Lack of eye-to-eyecontact,iii. Lack of awareness of others' existence or feelings; treats people as furniture,iv. Lack of attachment to parents and absence of separation anxiety,v. No or abnormal social play; prefers solitary games,vi. Marked impairment in making friends,vii. Lack of imitative behavior, viii. Absence of fear in presence of danger> Asperger syndrome or Asperger's syndrome or Asperger disorder is an autism spectrum disorder that is characterized by significant difficulties in social interaction, along with restricted and repetitive patterns of behavior and interests. It differs from other autism spectrum disorders by its relative preservation of linguistic and cognitive development. Although not required for diagnosis, physical clumsiness and atypical use of language are frequently reported.> Rett's syndrome is a disorder which is only reported in girls so far. After an apparently normal early development and normal head circumference at birth, there is a deceleration of head growth between the age of 5 months and 30 months. There is also a loss of purposive hand movements and acquired fine motor manipulative skills between the same ages, with the subsequent development of stereotyped movements of hands (e.g. handwringing). Later, other movement disorders also develop and severe mental handicap is invariable> Tourette's disorder is typically characterized by:1. Multiple motor tics.2. Multiple vocal tics.3. Duration of more than 1 year.4. Onset usually before 11 years of age and almost always before 21 years of age.> The disorder is usually more common (about 3 times) in males and has a prevalence rate of about 0.5 per 1000 people.
Autism
Asperger's syndrome
Rett syndrome
Tourette syndrome
Miscellaneous