نتایج جستجو برای: autism spectrum disorders asds
تعداد نتایج: 879911 فیلتر نتایج به سال:
Autism spectrum disorders (ASDs) are heterogenous neurodevelopmental disorders characterized by impairment in social, communication skills and stereotype behaviors. While autism may be uniquely human, there are behavioral characteristics in ASDs that can be mimicked using animal models. We used the BTBR T+tf/J mice that have been shown to exhibit autism-like behavioral phenotypes to 1). Evaluat...
Origin of Proposal The diagnosis of autism is based solely on behavioral characteristics. There is currently no laboratory test that can be done to identify autism. The etiology of Autism Spectrum disorders (ASD) is not well understood, though it likely involves genetic, immunologic, and environmental factors. The condition was initially described in the U.S. and European medical literature in ...
A possible link between prenatal exposure to the selective serotonin reuptake inhibitors (SSRIs) and development of autism spectrum disorders (ASDs), previously suggested by two case-control studies, was not confirmed by a recent cohort study that followed for 5-10 years more than 600,000 births. However, this study failed to demonstrate that SSRI exposure during pregnancy is safe in terms of c...
Autism Spectrum Disorders (ASDs) are characterized by the presence of impaired development in social interaction and communication and the presence of a restricted repertoire of activity and interests. While numerous treatments for ASDs have been proposed, very few have been subjected to rigorous scientific investigation. Hyperbaric oxygen therapy (HBOT) has been recently popularized as a treat...
Researchers have argued that individuals with autism spectrum disorders (ASDs) use an effortful “systematizing” process to recognize emotion expressions, whereas typically developing (TD) individuals use a more holistic process. If this is the case, individuals with ASDs should show slower and less efficient emotion recognition, particularly for socially complex emotions. We tested this account...
Recent studies have found that hundreds of genetic variants, including common and rare variants, rare and de novo mutations, and common polymorphisms contribute to the occurrence of autism spectrum disorders (ASDs). The mutations in a number of genes such as neurexin, neuroligin, postsynaptic density protein 95, SH3, and multiple ankyrin repeat domains 3 (SHANK3), synapsin, gephyrin, cadherin, ...
Researchers have argued that individuals with autism spectrum disorders (ASDs) use an effortful "systematizing" process to recognize emotion expressions, whereas typically developing (TD) individuals use a more holistic process. If this is the case, individuals with ASDs should show slower and less efficient emotion recognition, particularly for socially complex emotions. We tested this account...
Structural variations in the chromosome 22q11.2 region mediated by nonallelic homologous recombination result in 22q11.2 deletion (del22q11.2) and 22q11.2 duplication (dup22q11.2) syndromes. The majority of del22q11.2 cases have facial and cardiac malformations, immunologic impairments, specific cognitive profile and increased risk for schizophrenia and autism spectrum disorders (ASDs). The phe...
BACKGROUND Autism spectrum disorders (ASDs) are caused by both genetic and environmental factors. Mitochondria act to connect genes and environment by regulating gene-encoded metabolic networks according to changes in the chemistry of the cell and its environment. Mitochondrial ATP and other metabolites are mitokines-signaling molecules made in mitochondria-that undergo regulated release from c...
OBJECTIVE Arab populations lack data related to nutritional assessment in children with autism spectrum disorders (ASDs), especially micronutrient deficiencies such as folate and vitamin B12. METHODS To assess the dietary and serum folate and vitamin B12 statuses, a hospital-based case-control study was conducted in 80 Omani children (40 children with ASDs versus 40 controls). RESULTS The A...
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