TABLE 4.
Behavior | Patient 1 | Patient 2 | ||
---|---|---|---|---|
Visit 1 | Visit 1 | Visit 2 | Visit 3† | |
Eye contact | Appropriate | Appropriate | Inconsistent | Inconsistent |
Nonverbal social greetings | Appropriate (smiled at the clinician during initial encounter) | Appropriate (smiled at the clinician during initial encounter) | NA | NA |
Facial affect‡ | Equivocally flat or tendency toward flat affect§ | Equivocally flat or tendency toward flat affect§ | Frequent smiling | Smiling frequency and intensity reduced compared to previous visit |
Responsiveness (or intent to respond) to questions/requests | Consistent | Consistent | Inconsistent due to inattention (often required reinstruction and prompts) | Profoundly impaired; rarely established joint attention with the clinician |
Inappropriate behaviors | None | None | • Trying multiple times to look at what the examiner was writing • Inappropriate or unexplainable smiling/laughing • Turning the page of the stimulus book before responding to the task in hand |
|
Other | Subtle intermittent rocking back and forth while sitting | Rocked torso sideways or back and forth frequently while sitting; intermittent hand stereotypy—rubbing hands | Rocked back and forth or sideways frequently while sitting; frequent hand stereotypy—rubbing hands |
Due to a lack of substantial participation, this evaluation was based on observation of a limited video recording.
Rating scale used: minimal, mild, moderate, severe.
The tendency toward flat affect appeared like “lost in thought” facial expression.
NA = not assessed because the pertinent segment was not captured on video.