Table 2.

Cognitive training subtests

	Subtest description
Attention/speed of processing
Hawk Eye	Participant must quickly identify a target object among distractors presented for varying amount of time
Divided Attention	Participant must quickly match colors, shapes, and/or fill patterns while ignoring distractor information
Target Tracker	Participant must accurately track several items moving around the screen amidst distractor items
Double Decision	Participants must to correctly identify a target object in the center of the screen, while correctly locating a simultaneously presented target object in the periphery among distractors
Working memory
To Do List	Participants must to remember auditorily presented instructions
Memory Grid	Participants must match spatially distributed cards quickly
Auditory Ace	Participant is presented with auditory information about a playing card and must decide if the current card matches the card a specific number of cards back (auditory n-back)
Card Shark	Participant is presented with a playing card must decide if the current card matches the card a specified number of cards back (visual n-back)