NAB® Numbers & Letters Test™
Purpose: Evaluate deficits in attention, inhibition, and impulsivity
Format: Paper and pencil, E-Manual
Age range: 18 years to 97 years
Time: 15-20 minutes
DETAILS:
Incorporating letter cancellation and counting tasks to evaluate deficits in attention. The four subtests of this task were developed to measure seven aspects of attention: sustained attention, psychomotor speed, selective attention, divided attention, information processing speed, impulsivity, and disinhibition.

