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A 2003 review of epidemiological studies of children found autism rates ranging from 0.03 to 4.84 per 1,000, with the ratio of autism to Asperger syndrome ranging from 1.5:1 to 16:1; combining the geometric mean ratio of 5:1 with a conservative prevalence estimate for autism of 1.3 per 1,000 suggests indirectly that the prevalence of AS might ...
The pathophysiology of autism is the study of the physiological processes that cause or are otherwise associated with autism spectrum disorders . Autism's symptoms result from maturation-related changes in various systems of the brain. [1] How autism occurs is not yet well understood. Its mechanism can be divided into two areas: the ...
An aspirating smoke detector ( ASD) is a system used in active fire protection, consisting of a central detection unit which draws air through a network of pipes to detect smoke. [1] The sampling chamber is based on a nephelometer that detects the presence of smoke particles suspended in air by detecting the light scattered by them in the chamber.
Armstrong Siddeley Sapphire. The Armstrong Siddeley Sapphire is a British turbojet engine that was produced by Armstrong Siddeley in the 1950s. It was the ultimate development of work that had started as the Metrovick F.2 in 1940, evolving into an advanced axial flow design with an annular combustion chamber that developed over 11,000 lbf (49 kN).
The Bangor Area School District is a midsized, public school district located in Northampton County, Pennsylvania in the Lehigh Valley region of eastern Pennsylvania.It covers approximately 87 square miles (230 km 2), serving the Boroughs of Bangor, East Bangor, Portland and Roseto and Upper Mount Bethel Township, Washington Township and most of Lower Mount Bethel Township.
The Autism Diagnostic Observation Schedule ( ADOS) is a standardized diagnostic test for assessing autism spectrum disorder. The protocol consists of a series of structured and semi-structured tasks that involve social interaction between the examiner and the person under assessment. The examiner observes and identifies aspects of the subject's ...
The Chambersburg Area School District is a public school district located in Franklin County, Pennsylvania. The district encompasses approximately 250 square miles, including the borough of Chambersburg, plus the townships of Hamilton, Greene, Lurgan, and Letterkenny, and a portion of Guilford Township. It operates the following schools: Andrew ...
There are many conditions comorbid to autism spectrum disorders such as attention-deficit hyperactivity disorder and epilepsy . In medicine and in psychiatry, comorbidity is the presence of one or more additional conditions co-occurring with the primary one, or the effect of such additional disorders.