Asymmetry grouping and measures of academic achievement
| Quintile 1 (strong left-dominant) | Quintile 2 | Quintile 3 | Quintile 4 | Quintile 5 (weak left-dominant) | |
|---|---|---|---|---|---|
| N, Total | 14 | 13 | 13 | 13 | 14 |
| N, NL | 9 | 6 | 6 | 6 | 3 |
| N, LD | 5 | 7 | 7 | 7 | 11 |
| Asymmetry, 130–145 ms (μV) | −101.3 (26.1) | −51.0 (6.2) | −33.3 (3.8) | −17.1 (7.3) | 18.5 (15.5) |
| Age (years) | 10.2 (1.4) | 9.9 (1.5) | 11.3 (1.7) | 10.3 (1.4) | 9.9 (1.5) |
| IQ | 107.5 (15.8) | 115.9 (16.0) | 113.5 (12.1) | 116.2 (15.8) | 108.8 (19.2) |
| Reading | 112.0 (9.2) | 94.7 (17.5) | 105.0 (21.1) | 100.8 (18.4) | 101.8 (17.9) |
| Spelling | 112.9 (11.9) | 95.4 (19.9) | 103.5 (16.9) | 97.8 (18.7) | 98.9 (16.3) |
| Auditory processing | 102.4 (9.2) | 87.8 (8.3) | 94.1 (11.2) | 89.8 (8.5) | 93.6 (12.4) |
| Incomplete words | 99.2 (11.2) | 86.1 (11.2) | 98.3 (9.3) | 91.2 (12.6) | 94.2 (10.9) |
| Memory for words | 106.4 (16.4) | 91.2 (9.2) | 99.8 (13.2) | 100.8 (17.0) | 101.9 (9.9) |
| Sound blending | 106.6 (12.5) | 90.4 (7.8) | 93.0 (13.0) | 91.7 (10.7) | 94.1 (15.7) |
| Listening comprehension | 123.6 (14.1) | 112.1 (20.1) | 121.4 (17.7) | 111.1 (20.4) | 117.9 (17.6) |
| Cross out | 109.4 (11.0) | 115.3 (10.5) | 107.6 (14.3) | 112.3 (15.1) | 101.2 (12.1) |
| Just noticeable difference | |||||
| /da/–/ga/ (Hz) | 83.9 (31.1) | 123.2 (47.3) | 97.8 (48.2) | 133.7 (78.7) | 121.2 (43.5) |
| /ba/–/wa/ (ms) | 7.5 (2.8) | 7.0 (3.2) | 10.0 (2.8) | 8.0 (2.8) | 8.1 (2.7) |
Values in parentheses indicate SDs.