The IVA-AE (Advanced Edition), like the IVA+Plus, a combined visual and auditory continuous performance test of attention and response control. It is unique in that it is the only CPT designed specifically to help clinicians identify and measure attention problems in the adult population. The IVA-AE is normed for ages 18 – 50 (N=236, divided by gender). It can be used either alone or in conjunction with the IVA+Plus. The task is quite challenging – visual and auditory numbers from 2 to 8 are presented at one-second intervals; the task is to click when you see a 3 or hear a 5. Different numbers are presented simultaneously visually and aurally. For example, an auditory 3 may be presented at the same time as a visual 6. Thus, the subject is challenged to keep the rule in mind and maintain his or her attention to the task of making constant quick “go” or “no go” decisions. The verbal stimuli are spoken by a variety of different voices, and the numbers are displayed using a variety of different fonts. The clinician can opt to use the short version (10 minutes) or the extended version (20 minutes) of the test. The IVA-AE has excellent concurrent validity with the IVA+Plus.