types of asds DSM IV - answer1) autistic disorder
(2) Asperger's disorder
(3) Rett's disorder
(4) childhood disintegrative disorder
(5) pervasive developmental disorder NOS
3 areas of deficit in autistic disorder DSM IV - answersocial relatedness
communication
behaviors/interests
autistic disorder social relatedness DSM IV - answerImpaired use of nonverbal to
regulate social interaction, failure to develop age-appropriate peer relationships, little
seeking to share enjoyment or interests with other people, limited social-emotional
reciprocity
autistic disorder communication DSM IV - answerDelay in or absence of spoken
language, difficulty with conversational reciprocity, idiosyncratic or repetitive language,
imitation/pretend play deficits
autistic disorder behaviors/interests DSM IV - answerEncompassing, unusual interests,
inflexible adherence to nonfunctional routines, stereotyped body movements, and
preoccupation with parts or sensory qualities of objects
DSM IV aspergers - answerSymptoms identical to autistic disorder except no
requirement that child demonstrate any difficulties in the communication domain
Individuals with Asperger's disorder do not exhibit significant delays in the onset or early
course of language
Language abilities well developed and intellectual functioning not impaired
Non-echoed, communicative use of single words (age 2) and meaningful phrase speech
by age 3
Large vocabulary and adult-like phrasing
Diagnosis of autism takes precedence
DSM IV high functioning autism - answer"High Functioning"-intellectually normal but
meets criteria for autism
Mixed evidence for external validity
Similar trajectories in outcomes between "high functioning" autism and Asperger's
(Ozonoff et al., 2000; Szatmari et al., 2000)
Neuropsychological profiles suggest more similar than different (Howlin, 2003)
, DSM IV Rett's - answerPeriod of typical development
Primarily in females
Symptoms: Lack of typical social interaction, lack of language, very frequent stereotype
hand movements, unsteady gait, severe to profound intellectual disability
Caused by gene on X chromosome
DSM IV childhood disintegrative disorder - answerPeriod of typical development
Severe regression after at least 2 (and up to 10) years of normal development
After loss of skills, child has features of severe autism and severe intellectual disability
Very rare (1 in 100,000)
Early history important to assess
DSM IV PDD NOS - answerReserved for children who experience difficulties in at least
2 of the 3 autism related symptom clusters, but who do not meet criteria for any of the
other PDDs
Same list of 12 symptoms for autistic disorder used, but only 1 difficulty within
"reciprocal social interaction" domain and one symptom from either the "communication
deficits" or "repetitive restricted behaviors" domains required
DSM V change - answersingle dx-- autism spectrum disorder
move from 3 categories of sx to two (social relatedness, communication, restricted
behaviors/interests) vs ( social communication, restrictive interests and repetitive
behaviors)
addition of social (pragmatic) communication disorder
specify current severity
DSM IV didnt allow for ADHD + ASD, DSM V has no exlusion criteria
social communication disorder - answerPersistent difficulties in the social use of verbal
and nonverbal communication as manifest by deficits in the following:
1) Using communication for social purposes, such as greeting and sharing information,
in a manner that is appropriate for the social context;
2) Changing communication to match context or the needs of the listener, such as
speaking differently in a classroom than on a playground, communicating differently to a
child than to an adult, and avoiding use of overly formal language. ;
3) Following rules for conversation and storytelling, such as taking turns in conversation,
rephrasing when misunderstood, and knowing how to use verbal and nonverbal signals
to regulate interaction;
4) Understanding what is not explicitly stated (e.g. inferencing) and nonliteral or
ambiguous meanings of language, for example, idioms, jokes, metaphors and multiple
meanings that depend on the context for interpretation.
B. Deficits result in functional limitations in effective communication, social participation,
social relationships, academic achievement, or occupational performance.
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