Fig. 1.

Potential for error in appraisal of neurobehavioral symptoms.

Fig. 1. A subset of neurobehavioral symptoms often reported in neuronopathic MPS II (left) may commonly be interpreted as aggressive due to the high level of physical involvement of the behaviors and the potential for injury. However, findings from this study indicate that these behaviors may be displayed in a variety of non-aggressive circumstances (right), such as when seeking sensory stimulation or attempting to engage socially. This illustration is one example of potential for error in appraisal of behaviors; this misattribution was also reported for other appraisal categories (e.g., noncompliance) across symptoms.