Autism Symptoms and Early Signs Essay Example | Topics and Well Written Essays - 1500 words

Autism Symptoms and Early Signs - Essay ExampleDSM-IV criteria describes the ASDs in children shape upd 3 years and older however, the emphasis is now given on characterizing the symptoms before three years as developmental abnormalities occur at a very young age and early intervention crowd out also provide a good prognosis for ASD children. ASD leads to impairments in three available spheres of influence intercourse skills, both verbal and non-verbal, socialization and a deficiency of behavioral flexibility, making the child rely on routines. Autism is considered as the most prevalent among the severe developmental disorders. Classic autism was first described by king of beasts Lanner in 1943 and according to a 2007 report, it is estimated to occur in approximately 1 in curtilage individuals and ASD occurs in 1 in 150 individuals. Prevalence in Canada is estimated to be two per 1000 for autism and six per 1000 for the whole of the ASDs (Bryson et al 2004 Benson & Haith 2009). As mentioned earlier, the developmental abnormalities start manifesting at a very young age even before 3 years of age. Furthermore studies have provided evidence that early intervention give the bounce optimize the outcomes for the children affected with autism. Hence, early diagnosis by detecting the early signs and symptoms in the autistic children screwing aid early intervention and good prognosis. Before proceeding towards the symptoms and early signs of autism, it would be resourceful to overview the etiology of ASD. No singular cause can be pointed out however the most common and popularly accepted cause is brain abnormalities and genetic etiology. Moreover, it should be made clear over here that autism is not a psychological disorder brought about by poor parenting or childhood years. One great etiological factor is the hereditary origin of autism. Cluster of unstable genes confidential information to brain abnormalities is also some other explanation for the etiology o f autism. Some other current theories which are under investigation include toxin use during pregnancy and environmental factors such as viruses (Evans & Daniels 2006). A male predomination is observed at a ratio of four to one. In monozygotic twins there is a high concordance number around 90%. In children with pre-existing genetic disorders such as Fragile X syndrome, phenylketonuria, tuberous sclerosis, Anglemans syndrome and Cornelia de Lange syndrome, autistic symptoms can be manifested (Benson & Haith 2009). The overview of ASD etiology queers genetic causes and hereditary co-relation as the main factors leading to the developmental abnormalities in the children. The core symptoms that manifest during the first two years of life represent the abnormalities in the social, communicative and cognitive developmental skills of the child. Any abnormality in the normal development of one functional domain also leads to negative outcome on the others as well. The social abnormaliti es of the autistic child exhibit themselves in categories of attachment, social imitation, joint attention, orientation to social stimuli, face perception, emotion perception and expression and symbolical play. Children with autism exhibit disoriented relationships with their mothers. In autistic children the social behavior of looking at faces develops late at 12 months as compared to normal development at birth. Social behaviors such as following psyche