Table 1 Behavioral performance and EEG band power of the typically developing and dyslexic children in the n-back task (standard errors in parentheses).
From: Behavioral and neurophysiological aspects of working memory impairment in children with dyslexia
Verbal 1-back | Verbal 2-back | Visual 1-back | Visual 2-back | |||||
|---|---|---|---|---|---|---|---|---|
M | SE | M | SE | M | SE | M | SE | |
d prime | ||||||||
Control | 3.49 | (0.16) | 2.95 | (0.20) | 2.84 | (0.22) | 1.31 | (0.12) |
Dyslexic | 2.66 | (0.16) | 2.08 | (0.14) | 1.71 | (0.14) | 0.94 | (0.11) |
All | 2.98 | (0.12) | 2.41 | (0.12) | 2.14 | (0.14) | 1.08 | (0.08) |
Reaction time (ms) | ||||||||
Control | 779 | (33) | 940 | (46) | 830 | (36) | 1044 | (56) |
Dyslexic | 932 | (36) | 1173 | (36) | 1095 | (45) | 1172 | (61) |
All | 874 | (27) | 1085 | (31) | 995 | (34) | 1123 | (44) |
Frontal midline theta power (log-transformed) | ||||||||
Control | 0.546 | (0.037) | 0.531 | (0.041) | 0.583 | (0.044) | 0.553 | (0.036) |
Dyslexic | 0.566 | (0.028) | 0.588 | (0.030) | 0.583 | (0.029) | 0.588 | (0.030) |
All | 0.559 | (0.022) | 0.566 | (0.024) | 0.583 | (0.024) | 0.575 | (0.023) |
Upper-alpha power in the posterior region (log-transformed) | ||||||||
Control | 0.744 | (0.057) | 0.731 | (0.055) | 0.743 | (0.060) | 0.713 | (0.059) |
Dyslexic | 0.579 | (0.056) | 0.573 | (0.054) | 0.590 | (0.053) | 0.595 | (0.053) |
All | 0.642 | (0.042) | 0.633 | (0.040) | 0.648 | (0.041) | 0.639 | (0.040) |
Lower-alpha power in the posterior region (log-transformed) | ||||||||
Control | 0.607 | (0.049) | 0.596 | (0.044) | 0.585 | (0.046) | 0.568 | (0.049) |
Dyslexic | 0.547 | (0.046) | 0.546 | (0.042) | 0.548 | (0.042) | 0.557 | (0.043) |
All | 0.570 | (0.034) | 0.565 | (0.031) | 0.562 | (0.031) | 0.561 | (0.032) |
