Table 1.

Purpose and administration of cognitive assessment tools

Test name	Outcome measurements	Administration	Notes
Short Blessed Test (SBT)	Mental status	Basic orientation questions regarding place, time, and ability to store and retrieve new information	Scores ≥ 9 (equivalent of 24 on MMSEa) indicate abnormal results
Clock Drawing Task (CDT)	Executive function, visual spatial ability	Patient to draw a clock following specific instructions	Scored 0–7 (where 7 is optimal)
Trail Making Test Part A (TMT-A)	Attention, psychomotor speed, visual scanning	Patient instructed to connect dots, alternating letters and numbers (e.g., 1-A-2-B…)	Timed test; longer completion times indicate greater impairment
Trail Making Test Part B (TMT-B)	Attention, psychomotor speed, visual scanning	Patient instructed to connect dots, alternating letters and numbers	More advanced than TMT-A; many patients have difficulty completing and time is capped at 300 seconds
DHI® Useful Field of View	Divided visual attention, visual memory, processing speed	Patient must respond quickly to flashing icons on the periphery of a computer screen	Timed test; longer completion times indicate greater impairment
DHI® Motor Free Visual Perceptual Test	Visual closure	Patients ‘fill in the blanks’ to logically select a stick figure that matches with the figure provided	Timed test; longer completion times indicate greater impairment
Snellgrove Maze Task® (SMT)	Attention, visual constructional ability, planning, problem solving	Basic paper maze	Timed test; longer completion times indicate greater impairment
Geriatric Depression Scale (GDS)	Depressive symptomatology	Filled out by informant via mailed questionnaire
Epworth Sleepiness Scale (ESS)	Hypersomnolence (daytime sleepiness)	Filled out by informant via mailed questionnaire
Functional Assessment Questionnaire (FAQ)	Functional capability	Filled out by informant via mailed questionnaire

^aMMSE: Mini Mental State Examination