Table 1: Diagnosed types of GDDs according to the classification of DSM-IV-TR [5].
Global developmental disturbances | Characteristics |
Autistic Disturbances* | Classic autismo |
Rett Syndrome | Genetic condition (mutations in MECP2 gene). It mainly affects girls and reaches post-natal brain development. |
Child Disintegrative Disorder | Cognitive, behavioural and speech regression of 2-10 years, preceded by fully normal development, and with posterior appearance of autistic characteristics. |
Asperger Disturbance* | Individuals with one autistic characteristics that develop speech in expected age, without mental retardation. |
Global Disturbance of non-specified Development* | Individuals with some autistic characteristics, but not as severe or extensive that do not belong to any other categories. |
*Together, also called Autism Spectrum Disorders (ASDs).