Search results
Results from the WOW.Com Content Network
Autism spectrum disorder [a] (ASD), or simply autism, is a neurodevelopmental disorder "characterized by persistent deficits in social communication and social interaction across multiple contexts" and "restricted, repetitive patterns of behavior, interests, or activities". [11] Sensory abnormalities are also included in the diagnostic manuals ...
The epidemiology of autism is the study of the incidence and distribution of autism spectrum disorders (ASD). A 2022 systematic review of global prevalence of autism spectrum disorders found a median prevalence of 1% in children in studies published from 2012 to 2021, with a trend of increasing prevalence over time.
Developmental disability is a diverse group of chronic conditions, comprising mental or physical impairments that arise before adulthood. Developmental disabilities cause individuals living with them many difficulties in certain areas of life, especially in "language, mobility, learning, self-help, and independent living". [1]
Boys born in August were 63 percent more likely to be diagnosed with ADHD than boys with September birthdays. The August boys were 76 percent more likely to be put on medication for the condition.
Brain sections related to autism. Many causes of autism, including environmental and genetic factors, have been recognized or proposed, but understanding of the theory of causation of autism is incomplete. [1] Attempts have been made to incorporate the known genetic and environmental causes into a comprehensive causative framework. [2]
There is significant overlap in the symptomatologies of ADHD, dyslexia, and dysgraphia, [71] and 3 in 10 people diagnosed with dyslexia experience co-occurring ADHD. [72] Although it causes significant difficulty, many children with ADHD have an attention span equal to or greater than that of other children for tasks and subjects they find ...
ADHD was found more often in boys, at a rate of 2:1. [10] The most common form of ADHD was inattentive (2.95% of total population), followed by hyperactive/impulsive (2.77%), then combined (2.44%). [10] While differences in prevalence rate were found internationally, it is not clear whether this reflects true differences or changes in ...
This condition later became known as attention deficit hyperactivity disorder (ADHD). Its symptoms were first described by German doctor Melchior Adam Weikard in 1775. The concept of child hyperactivity or hyperkinetic behaviour became established in the United States in the 1930s. Around 50-70% of people with ASD also have ADHD. [204]