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A.
A total of six (or more) items from (1), (2), and (3), with at
least two from (1), and one each from (2) and (3):
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1. Qualitative
impairment in social interaction, as manifested by at least
two of the following: |
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a. marked
impairment in the use of multiple nonverbal behaviors such
as eye-to-eye gaze, facial expression, body postures, and
gestures to regulate social interaction.
b. failure to develop peer relationships appropriate to developmental
level
c. a lack of spontaneous seeking to share enjoyment, interests,
or achievements with other people (e.g., by a lack of showing,
bringing, or pointing out objects of interest)
d. lack of social or emotional reciprocity |
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2. Qualitative
impairments in communication as manifested by at least one
of the following: |
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a. delay
in, or total lack of, the development of spoken language (not
accompanied by an attempt to compensate through alternative
modes of communication such as gesture or mime)
b. in individuals with adequate speech, marked impairment
in the ability to initiate or sustain a conversation with
others
c. stereotyped and repetitive use of language or idiosyncratic
language
d. lack of varied spontaneous make-believe play or social
imitative play appropriate to developmental level |
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3. Restricted,
repetitive, and stereotyped patterns of behavior, interests,
and activities, as manifested by at least of one of the following:
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a.
encompassing preoccupation with one or more stereotyped
and restricted patterns of interest that is abnormal either
in intensity or focus.
b.
apparently inflexible adherence to specific, nonfunctional
routines or rituals
c. stereotyped and repetitive motor mannerisms (e.g. hand
or finger flapping or twisting, or complex whole body movements)
d. persistent preoccupation with parts of objects |
B. Delays or abnormal functioning in at least one of the
following areas, with onset prior to age 3 years: (1)
social interaction, (2) language as used in social communication,
or (3) symbolic or imaginative play.
C. The disturbance is not better accounted for by Rett's
disorder or childhood disintegrative disorder.
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