Table 4.
Other tests of perception and memory: basic descriptive statistics.
| Range | Mean | Standard deviation | |
|---|---|---|---|
| Speech prosody perception | 19–30 (63–100%) | 25.0 (83%) | 2.7 (9%) |
| Visuospatial perception | 17–30 (57–100%) | 23.8 (79%) | 2.9 (10%) |
| Auditory working memory | 10–22 (33–73%) | 15.8 (53%) | 3.0 (10%) |
| Pitch perception | |||
| No change trials | 13–40 (33–100%) | 32.4 (81%) | 6.4 (16%) |
| Change trials | 22–38 (55–95%) | 30.3 (76%) | 4.4 (11%) |
| 3 Hz change (1/16 semitone) | 0–7 (0-88%) | 2.7 (34%) | 2.1 (26%) |
| 7 Hz change (1/8 semitone) | 0–8 (0–100%) | 4.5 (57%) | 2.0 (25%) |
| 15 Hz change (1/4 semitone) | 4–8 (50–100%) | 7.1 (89%) | 0.9 (12%) |
| 36 Hz change (1/2 semitone) | 6–8 (75–100%) | 7.8 (98%) | 0.4 (0%) |
| 62 Hz change (1 semitone) | 8 (100%) | 8 (100%) | 0 (0%) |
| Pitch discrimination threshold (Hz) | 3.0–26.1 | 9.9 | 4.7 |