Diagnostic criteria for the PDD’s RE: the DSM-IV criteria: Be familiar with behaviors you might observe: Be able to provide specific examples Childhood Autism:
There are qualitative impairments in social interaction and communication. 1.
Impaired use of eye to eye gaze, facial expressions, inability to point out objects of interest and failure to develop peer relationships 2.
Inability to sustain a conversation with others
Repetitive motor mannerisms and delays in imaginative play
Impairments with eye to eye gazing, along w/ persistent preoccupation with parts of
No clinical delay in language, cognitive development or age appropriate self-help skills 3.
Failure to develop peer relationships
Normal head circumference at birth but there is a deceleration of head growth between ages 5 and 48 months
2. Loss of previously acquired purposeful hand skills by 5 to 30 months (e.g. -handwashing) 3. Severed expressive AND receptive language development
Childhood Disintegrative Disorder:
Typical development for the 1st 2 years after birth in both communication and social relationships 2.
Loss of acquired skills before age 10 in the areas of expressive OR receptive language; bowel or bladder control; motor skills 3. Abnormalities in sustaining conversations; repetitive patterns of behavior; pretend play
How to discriminate the PDD’s from one another
PDD and atypical autism are distinguished from autism by age of onset, presence of language or cognitive delay, presence of co-morbid factors, and specific neurological features. Autism: onset – prior to 3. Delay – may or may not have delay. Domains affected- Communication, Social, repetitive behaviors CDD(regressive autism): Onset- typical dev. up to 2;loss of speech and at least one other skill. Delay- associated w/ MR. Severity- same as autism. Domains affected- Abnormalities in 2...
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