Table 2 Principal component analysis factor loadings

Logical memory—immediate

0.78

0.14

0.35

0.09

0.16

Logical memory—delayed

0.82

0.14

0.30

0.10

0.16

CVLT—trials 1–5

0.85

0.28

0.11

0.14

0.09

CVLT—short delay free

0.88

0.28

0.07

0.10

0.06

CVLT—long delay free

0.88

0.26

0.09

0.08

0.06

Visual reproduction—immediate

0.49

0.35

0.19

0.09

0.59

Visual reproduction—delay

0.64

0.21

0.10

0.07

0.38

Trail A

−0.13

−0.72

−0.27

−0.15

−0.21

Trail B

−0.27

−0.77

−0.14

−0.18

−0.18

Digit symbol

0.32

0.75

0.13

0.20

0.13

CWIT—inhibition

−0.22

−0.76

−0.12

−0.08

−0.05

WCST—categories

0.30

0.48

0.16

−0.01

0.31

Letter fluency

0.25

0.5

0.37

0.42

−0.21

Category fluency

0.41

0.43

0.49

0.34

−0.04

MiNT

0.22

0.25

0.78

0.25

0.07

Pyramids and Palm Trees

0.23

0.25

0.74

−0.03

0.26

Visual reproduction—copy

0.14

0.17

0.09

0.11

0.82

Block design

0.19

0.60

0.36

0.20

0.40

Digit span—forward

0.08

0.09

0.05

0.89

0.08

Digit span—backward

0.16

0.34

0.20

0.70

0.18