Failure to develop friendships or seek shared enjoyments with others, lack of social or emotional reciprocity, impaired nonverbal behaviors such as eye contact, facial expression, posture, and gesture.
Engages in one-sided, long-winded speech about a favorite topic while misunderstanding or not recognizing the listener’s feelings or reactions, such as a need for privacy or haste to leave. May appear as disregard for other people’s feelings or insensitive. Displays selective mutism, speaking not at all to most people and excessively to specific people.
Behavior, interests, or activities that are restricted and repetitive and are sometimes abnormally intense or focused. Sticks to inflexible routines, moves in stereotyped and repetitive ways, or preoccupy themselves with parts of objects.
Pursuit of specific and narrow areas of interest.
Repetitive motor behavior such as complex whole-body movement.
Speech abnormalities include verbosity, abrupt transitions, literal interpretations and miscomprehension of nuance, use of metaphor meaningful only to the speaker, auditory perception deficits, unusually pedantic, formal or idiosyncratic speech.
Poor prosody, tangential and circumstantial speech, and marked verbosity. Speech may be unusually fast, jerky, or loud. Speech may convey a sense of incoherence; including monologues about topics that bore the listener, fail to provide context for comments, or fails to suppress internal thoughts. Fails to monitor whether the listener is interested or engaged in the conversation. The conclusion or point may never be made and attempts to elaborate on the speech by the listener is often unsuccessful.
Has an unusually sophisticated vocabulary and tend to use language literally.
Demonstrates enhanced perception of small changes in patterns such as arrangements of objects or well-known images.
Poor coordination, have an odd or bouncy gait or posture, poor handwriting, or problems with visual-motor integration. Problems with proprioception (sensation of body position) on measures of apraxia (motor planning disorder), balance, tandem gait, and finger-thumb apposition.
Must do more reading.