Mean absolute error and mean systematic error of sound localisation
| Auditory field presented | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Whole | Left | Right | |||||||||||||
| Mean absolute error: | |||||||||||||||
| White noise | |||||||||||||||
| Healthy group | 12.0 (3.1)2-160 | 12.2 (6.3) | 14.2 (5.1)2-160 | ||||||||||||
| L Group | 19.3 (6.4) | 16.3 (6.0) 2-150 | 22.5 (8.1) | ||||||||||||
| R Group | 24.2 (8.6)2-150 2-164 | 25.9 (10.7) 2-164 | 21.0 (7.3) 2-164 | ||||||||||||
| Female voice | |||||||||||||||
| Healthy group | 11.4 (4.2)2-160 | 11.8 (6.0)2-160 | 14.4 (5.1)2-160 | ||||||||||||
| L Group | 21.4 (8.8) | 21.4 (12.2) | 23.7 (8.1) | ||||||||||||
| R Group | 25.3 (10.8) 2-164 | 24.6 (12.4) 2-164 | 25.6 (14.1) 2-164 | ||||||||||||
| Mean systematic error: | |||||||||||||||
| White noise | |||||||||||||||
| Healthy group | 4.2 (4.2)2-150 | 3.3 (8.0) | 6.2 (6.8)2-150 | ||||||||||||
| L Group | 0.3 (5.5) | 1.4 (10.5)2-150 | −1.8 (9.1) | ||||||||||||
| R Group | 5.3 (10.1) | 12.1 (15.5) 2-151 | −1.3 (13.6) | ||||||||||||
| Female voice | |||||||||||||||
| Healthy group | 2.7 (4.1) | −0.2 (6.7) | 6.4 (7.7) 2-160 | ||||||||||||
| L Group | −0.8 (10.2) | 3.3 (20.0) | −3.3 (16.3) | ||||||||||||
| R Group | 1.8 (10.7) | 9.0 (16.5) 2-151 | −4.0 (18.0) 2-164 | ||||||||||||
↵2-150 p<0.05;
↵2-160 p<0.01 between adjacent groups;
↵2-164 p<0.01 between healthy group and R group; unpairedt test.
Mean systematic error, mean of the angle between the presented and answered positions in which the direction of the error is considered (counter clockwise errors were indicated as negative numbers, and clockwise errors as positive numbers).