Skip to main content
. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: Neuroimage. 2010 Oct 18;54(3):1887–1895. doi: 10.1016/j.neuroimage.2010.10.027

Table 3.

Major individual cognitive measures constituting each factor and factor scores between High PIB and Low PIB groups

Factors/Cognitive tests Factor/Raw test scores
Low PIB
 High PIB
M SD M SD
Executive functions −0.30 0.63 −0.31 0.68
Stroop 49.00 11.73 50.84 12.65
Trail A 36.14 10.02 37.62 14.39
Digit symbol 61.55 9.17 63.11 12.84
Listening span 47.31 7.78 46.16 9.66
Visual reproduction immediate recall 82.00 11.94 77.84 13.76
Visual reproduction delayed recall 67.31 17.25 58.16 24.27
Episodic memory −0.05 1.05 −0.21 1.09
CVLT immediate recall 50.28 9.98 49.26 13.35
CVLT delayed recall 11.53 3.02 11.11 3.91
CVLT recognition 13.6 2.08 12.8 3.20
Semantic memory 0.35 0.75 0.03 0.58
Boston naming 14.79 0.41 14.47 0.90
Vocabulary 58.85 5.93 56.51 5.45
Working memory −0.18 0.90 −0.19 0.67
Digit span forward 9.50 2.48 10.21 1.93
Digit span backward 7.91 2.51 6.89 1.82
Listening span 47.31 7.78 46.16 9.66
Visual memory 0.06 1.15 −0.24 1.07
Visual reproduction immediate recall 82.00 11.94 77.84 13.76
Visual reproduction delayed recall 67.31 17.25 58.16 24.27

Two-sample T-tests did not reveal any significant difference for both raw neuropsychological test measures and 5 factor scores between High PIB and Low PIB groups. CVLT: California Verbal Learning Test