Table 2.

Behavioral data from the simple and cued response tasks (mean ± standard deviation).

Variable	Group
	No History		Concussion		Diagnosed1		Concussion-like History1
	Pre	Post	Pre	Post	Pre	Post	Pre	Post
Simple response task
Reaction time (ms)	365 ± 42	367 ± 39	368 ± 28	373 ± 34	364 ± 12	366 ± 12	373 ± 14	382 ± 14
Movement time (ms)	299 ± 37	296 ± 34	331 ± 46	312 ± 50	324 ± 14	306 ± 15	340 ± 16	320 ± 17
Accuracy (%)	96 ± 4	96 ± 5	97 ± 2	96 ± 4	98 ± 1	97 ± 1.5	96 ± 1	94 ± 2
Cued response task—valid
Response time (ms)	513 ± 16	483 ± 13	520 ± 15	496 ± 13	506 ± 20	482 ± 17	538 ± 23	513 ± 20
Movement time (ms)	362 ± 17	342 ± 18	381 ± 16	362 ± 17	369 ± 22	357 ± 23	397 ± 25	368 ± 25
Accuracy (%)	77 ± 9	77 ± 10	77 ± 8	75 ± 8	77 ± 8	75 ± 8	76 ± 9	75 ± 8
Cued response task—invalid
Response time (ms)	534 ± 19	500 ± 19	425 ± 25	395 ± 21	539 ± 24	525 ± 24	561 ± 27	558 ± 28
Movement time (ms)	402 ± 27	392 ± 22	548 ± 18	539 ± 18	425 ± 35	398 ± 28	424 ± 39	391 ± 32

1. These subgroups are derived from the concussion history group.