| Working memory tasks |
MS patients |
Controls |
Mann-Whitney |
| Non-specific tasks |
|
|
|
| |
n=115 |
n=30 |
|
| PASAT score |
40.12 (11.9) |
49.5 (10.04) |
U=895.5, p<.0001 |
| PASAT % |
66.76 (19.79) |
82.48 (16.73) |
U=884, p<.0001 |
| |
n=127 |
n=30 |
|
| Digit span (standard scores, WAIS-R) |
9.47 (2.83) |
11.4 (3.17) |
|
| Digit forward span |
5.94 (1.13) |
6.43 (1.1) |
U=1484.5, p>.05 |
| Digit backward span |
4.42 (1.28) |
5.23 (1.33) |
U=1657.5, p>.05 |
| Articulatory rehearsal component |
|
|
|
| |
n=126 |
n=30 |
|
| Short-word span (1 syllable words) |
4.56 (0.84) |
5.23 (0.97) |
U=1184.5, p=.0008 |
| Long-word span (4 syllables words) |
3.8 (0.68) |
4.27 (0.78) |
U=1263, p=.002 |
| |
n=100 |
n=28 |
|
| Phonological store component |
|
|
|
| |
n=126 |
n=30 |
|
| Dissimilar-letter span |
4.59 (0.9) |
5.4 (0.93) |
U=1026, p<.0001 |
| Similar-letter span |
4.64 (1.03) |
5.16 (1.08) |
U=1377.5, p=.02 |
|
Dynamic component |
|
|
|
| |
n=126 |
n=30 |
|
| Corsi forward span |
5.52 (0.97) |
6.23 (1.04) |
U=1193.5, p=.0009 |
| Corsi backward span |
4.98 (0.94) |
5.6 (0.77) |
U=1198.5, p=.001 |
| Visual component |
|
|
|
| |
n=125 |
n=30 |
|
| Pattern span |
7.52 (1.56) |
8.2 (1.63) |
U=1449, p>.05 |
| Central executive component |
|
|
|
| a span test |
n=126 |
n=30 |
|
| Initial word span |
4.49 (0.72) |
4.93 (0.83) |
U=1307.5, p=.004 |
| Serial recall |
9.06 (1.42) |
9.47 (0.68) |
U=1737, p>.05 |
| Alphabetical recall |
7.08 (2.75) |
8.1 (2.04) |
U=1428.5, p>.05 |
| Manipulation score |
-23.2 (27.72) |
-14.52 (20.64) |
U=1461, p>.05
|
| Stroop test |
n=116 |
n=30 |
|
| Reading: raw time |
47.46 (9.87) |
41.97 (7.42) |
U=1181, p=.002 |
| Naming: raw time |
69.62 (15.02) |
61.33 (10.98) |
U=1172.5, p=.002 |
| Interference: raw time |
124.49 (50.91) |
100.1 (20.27) |
U=1134.5, p=.002 |
| Flexibility: raw time |
140.76 (49.67) |
113.97 (23.82) |
U=1071, p=.001 |
| Naming score |
16.98 (19.15) |
14.26 (10.83) |
U=1777.5, p>.05 |
| Interference score |
75.27 (58.01) |
63.85 (23.23) |
U=1748, p>.05 |
| Flexibility score |
4.49 (0.72) |
4.93 (0.83) |
U=1682, p>.05 |
|
Reading: corrected-errors |
0.22 (0.61) |
0.1 (0.4) |
U=1699.5, p>.05 |
| Naming: corrected-errors |
0.69 (1.06) |
0.57 (0.82) |
U=1778, p>.05 |
| Interference: corrected-errors |
1.67 (2.15) |
1.2 (1.45) |
U=1609.5, p>.05 |
| Flexibility: corrected-color-errors |
1.82 (2.21) |
1.3 (1.39) |
U=1596, p>.05 |
| Flexibility: corrected-word-errors |
1.37 (3.13) |
0.37 (0.61) |
U=1537.5, p>.05 |
|
Reading: non-corrected-errors |
0.11 (0.36) |
0.03 (0.18) |
U=1740.5, p>.05 |
| Naming: non-corrected-errors |
0.23 (0.77) |
0.1 (0.31) |
U=1780.5, p>.05 |
| Interference: non-corrected-errors |
0.73 (1.39) |
0.3 (0.6) |
U=1558, p>.05 |
| Flexibility: non-corrected-color-errors |
0.34 (0.75) |
0.1 (0.31) |
U=1365.5, p>.05 |
| Flexibility: non-corrected-word-errors |
0.17 (0.58) |
0.07 (0.25) |
U=1671, p>.05 |
|
