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19 Cards in this Set
- Front
- Back
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By what age is autism seen?
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3 years
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What are 3 DSM characteristics of autism?
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1. Early language and communication impairment
2. Impairments in reciprocal social interaction 3. Restricted interests, repetitive and stereotyped behavior |
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Aspergers has impairment in which 2 categories?
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1. Social impairment
2. Restricted interests and compulsivity (not in communication impairment or cognition) |
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Why is it thought that autism patients have language problems?
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Because language learning is such a social interaction
No social interaction = no language |
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Is autism a relatively homogeneous disease?
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NO, extremely heterogeneous and different
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What is one of the biggest concerns with the new DSM V and autism?
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Will artificially reduce prevalence and therefore reduce eligibility to services
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Does autism have a genetic component?
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YES, clearly runs in families
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Has one unifying genetic component been found in autism?
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No, many different genes can give rise
Thought to create "spectrum" of autism |
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At what age can you usually really detect autism?
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18-36 months
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What is there a drive to detect autism genes?
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Would allow for early intervention and hopefully thus better outcomes
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In terms of brain size, what is seen in autism?
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Large brains and heads
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Does autism appear suddenly or develop gradually?
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Gradually
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Which lobe showed the greatest increase in size in autism?
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Temporal
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In which lobes are the dysfunctions seen in autism?
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Frontal and temporal
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What is the pattern of growth in the white matter tracts in ASD?
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Early pre-mature growth but in older kids slows and goes below average
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What are 5 specific brain areas involved in ASD?
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1. Fusiform gyrus - person perception
2. Superior Temporal Sulcus - Facial Expression Perception 3. Superior Frontal Gyrus - Theory of the mind 4. Amygdala - attention/arousal 5. Ventral Straitum - reward system |
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In the fMRI studies, which 2 areas were more activated in controls?
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1. Right fusiform
2. amygdala |
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In terms of social motivation, what was seen in the eye tracking experiments in patients with ASD?
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Spent more time focusing on objects (computers) and not much on faces
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What causes social motivation deficits in ASD?
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Reward circuit under-activation
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