Study Guide Ch. 9.5 Flashcards
What are the core symptoms of autism?
- Reduced ability to interpret the emotions and intentions of others
- Reduced capacity for social interaction and communication
- Preoccupation with a single subject or activity
When comparing different children who have an autism diagnosis, would we be safe in assuming the children have similar symptoms, interests, and severity of deficits
No, all 3 symptoms are not present in every case
What is a savant? How common are savant abilities in individuals with autism?
- Savant: intellectually handicapped individuals who nevertheless display amazing and specific cognitive or artistic abilities
- 10%
Is autism genetically determined? What is currently known about the genetics of autism?
- Genetic factors influence the development of autism
- There is no dominant or recessive gene for autism-> yet, if one twin is diagnosed with autism, there is a 60% chance the other will be diagnosed as well
Describe the intellectual functioning of individuals with Williams syndrome. In comparison with their intellectual functioning, individuals with Williams syndrome demonstrate strengths in which cognitive abilities
- They are sociable, empathetic, and talkative
- Their language skills are remarkable considering their low iqs
- Also good in music
What is currently known about the genetics of Williams syndrome?
- Causes heart problems
- Show general thinning of the cortex and underlying white matter -> cortical thinning is greatest in boundary of parietal and occipital cortex and the orbitofrontal cortex
Which cortical area shows normal thickness in individuals with Williams syndrome?
Superior Temporal Gyrus (primary+secondary auditory cortex)
At what age do symptoms of autism become apparent?
Before the age of 3 (as early as 9 or 12 months)