evaluation of NCDs and is part icularly critical in the evaluation of mild NCD. For major
NCD, performance is typically 2 or more standard deviations below appropriate norms
(3rd percentile or below). For mild NCD, performance typically lies in the 1–2 standard de-
viation range (between the 3rd and 16th perc entiles). However, neur opsychological test-
ing is not available in all settings, and neuropsychological thresholds are sensitive to the
specific test(s) and norms employed, as well as to test conditions, sensory limitations, and
intercurrent illness. A variety of brief office-based or “bedside” asse ssments, as described