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Sunday, June 7, 2015

Autism Research: Elevated cortisol in autism ♦ Social and sensory over stimulation drives autistic behaviors ♦ link between a genetic mutation and autistic behaviors

Researchers unravel a link between a genetic mutation and autistic behaviors, then find a way to undo it The mechanisms behind a genetic mutation that produces certain autistic behaviors in mice has been identified by researchers, as well as therapeutic strategies to restore normal behaviors.
Social and sensory over stimulation drives autistic behaviors, animal study suggests A new study shows that social and sensory over stimulation drives autistic behaviors. The study, conducted on rats exposed to a known risk factor in humans, supports the unconventional view of the autistic brain as hyper-functional, and offers new hope with therapeutic emphasis on paced and non-surprising environments tailored to the individual's sensitivity
Elevated cortisol in autism Functional level appears to play a critical role in the stress levels of children with autism spectrum disorder (ASD), new research shows. Specifically, lower-functioning children with ASD (LFASD) exhibited significantly higher levels of cortisol, the primary stress hormone in humans, than both high-functioning children with ASD (HFASD) and typical children.

Is dietary supplementation appropriate for children with Autism Spectrum Disorder? Children with Autism Spectrum Disorder (ASD) are often picky eaters, which can lead parents to suspect that their children might not be getting adequate amounts of vitamins and minerals. This sometimes leads parents of children with ASD to try nutritional supplements and dietary regimens such as gluten-free and casein-free (GFCF) diets without professional supervision. In the largest study of its kind, researchers report that these well-intentioned efforts can result in both insufficient nutrients and excessive nutrients. Despite supplementation, children with ASD still were deficient in calcium, for example, while some were consuming excessive amounts of vitamin A and other nutrients

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