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

Legault et al. BMC Geriatrics 2011 11:27   doi:10.1186/1471-2318-11-27

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