The present study analyzes data of the governmental reported general population and population of persons with disabilities from 2002 to 2009, to describe the disability prevalence and to test the overtime change with particular focused on the geographic differences in Taiwan. In average, the disability prevalence was 42.06% (range = 31.06%-80.04%…

The prevalence of autism spectrum disorders (ASD) continues to be a source of debate among researchers and clinicians. Prevalence studies are of the utmost importance in order to obtain an accurate picture of the true prevalence rate of ASD and because these rates continue to be on the rise. To date, studies examining prevalence rates have…

The etiology of autism spectrum disorders is unknown but there are claims of increasing prevalence in many countries. Despite more than a decade of epidemiological investigation, it is still unclear whether the rising trend in prevalence reflects a true increase or changes in diagnostic trends and improvements in case ascertainment. This paper…

Autism spectrum disorders (ASDs), particularly the high incidence conditions of autism, PDD NOS, and Asperger's Syndrome, have become increasingly popular topics of study in the mental health field. Traditionally, the focus has been on young children and early recognition and diagnosis. However, given that these conditions are life long in nature,…