Table 1.

Description of the internet-based cognitive assessment tool subtests.

Task features	Task 1: list learninga	Task 2: consonant repetitionb	Task 3: Wechsler Adult Intelligence Scale letter-number sequencingc	Task 4: delayed list learningd	Task 5: visuomotor trackinge
Measure	Verbal memory (immediate recall)	Working memory	Working memory	Delayed verbal memory (delayed recall)	Psychomotor speed
Scoring criteria	Total number of correctly recalled words for 3 trials	Total number of correctly recalled letters	Total number of correctly sorted sequences	Total number of correctly recalled words	Total number of correct matching letters
Score range	0–30	0–24	0–21	0–10	0–30
Practice test	No	No	Yes	No	Yes

^aAn audio file containing a list of 10 words is played to the patient. Following that, the patient recalls as many words as possible and speak them aloud. This task is repeated 2 more times (3 trials in total) using the same word list.

^bFirst, a sequence of letters is played via an audio file. Then, the patient should sort a set of numbers in descending order within a certain time period (this task is only for delaying the response). After time is up, the patient recalls and types the letters that were read to him or her earlier.

^cA set of letter-number sequences are displayed on the screen one by one. Each sequence is played via an audio file to the patient. Following that, the patient sorts the numbers and letters of the sequence and types them.

^dIn this task, the patient should recall the same words that were played in the first list learning task and speak them aloud. No audio is played for the patient in this task.

^eA table including 6 letters and their matching codes (a combination of circles and asterisks) is shown to the patient. In 30 seconds, the patient enters the matching letters of 30 random codes one by one.