Table 3.

Scores on tests of cognitive function, by intervention assignment and time: mean (standard deviation)

A) Measures of Executive Function
Outcome	Month	Healthy Aging N = 17	Cognitive Training N = 16	Physical Activity Training N = 16	Combined Intervention N = 18
Self-Ordered Pointing Task (proportion correct)	0	0.71 (0.05)	0.74 (0.06)	0.73 (0.09)	0.71 (0.10)
	4	0.74 (0.06)	0.77 (0.06)	0.76 (0.07)	0.75 (0.08)
1-Back (proportion Hits - False Alarms)	0	0.87 (0.13)	0.88 (0.08)	0.89 (0.14)	0.84 (0.12)
	4	0.93 (0.06)	1.00 (0.25)	0.92 (0.08)	0.89 (0.14)
2-Back (proportion Hits - False Alarms)	0	0.48 (0.22)	0.60 (0.17)	0.55 (0.21)	0.57 (0.19)
	4	0.61 (0.19)	0.62 (0.28)	0.57 (0.18)	0.62 (0.18)
Flanker Task (Incongruent - Congruent RTs)	0	31.7 (54.3)	38.9 (22.8)	31.8 (26.0)	63.3 (68.1)
	4	40.0 (39.8)	20.1 (30.2)	25.2 (23.9)	36.6 (29.8)
Task Switching (Switch - Non-switch RTs)	0	893.7 (505.0)	720.3 (388.9)	888.4 (738.4)	874.9 (640.9)
	4	739.5 (403.0)	672.3 (353.1)	814.3 (689.9)	743.3 (554.1)
Trails B Time - Trails A Time	0	74.8 (54.4)	54.4 (30.0)	43.1 (33.1)	63.4 (54.5)
	4	51.5 (22.3)	52.4 (30.0)	46.1 (69.0)	64.4 (51.2)
B) Measures of Episodic Memory
Outcome	Month	Healthy Aging N = 17	Cognitive Training N = 16	Physical Activity Training N = 16	Combined Intervention N = 18
HVLT - Immediate recall	0	22.4 (1.0)	22.2 (1.4)	23.5 (4.2)	22.0 (1.7)
	4	21.8 (1.7)	22.2 (2.2)	22.7 (0.9)	22.4 (2.2)
HVLT - Delayed recall	0	7.4 (1.3)	8.5 (2.1)	7.8 (2.2)	7.5 (2.7)
	4	8.5 (2.8)	9.4 (2.2)	9.4 (2.2)	8.2 (2.5)
LM1 - Supplemental Score - 1st Recall	0	23.5 (6.6)	23.5 (6.5)	23.5 (4.2)	23.4 (4.3)
	4	26.6 (6.3)	26.5 (6.8)	28.3 (5.9)	25.8 (5.3)
LM2 - Recall Total Score	0	21.4 (5.6)	24.1 (7.2)	23.5 (6.1)	21.9 (6.2)
	4	26.0 (5.9)	25.8 (6.8)	28.1 (6.9)	25.8 (6.6)

HVLT: Hopkins Verbal Learning test

LM: Logical Memory