Table 1.
Demographic and musical background information (Mean ± SD (range)).
| Variable | Total Sample (n = 17) | Non-amusics (n = 13) | Amusics (n = 4) |
|---|---|---|---|
| Age (years) | 26.1 ± 9.1 (16–48) | 25.1 ± 10.0 (16–48) | 29.3 ± 4.9 (23–34) |
| Gender | 12 males, 5 females | 10 males, 3 females | 2 males, 2 females |
| Full Scale IQ | 70.3 ± 17.4 (43–93) | 74.4 ± 15.2 (46–93) | 57.0 ± 19.8 (43–86) |
| Handedness | 0.6 ± 0.7 (−1–+1) | 0.52 ± 0.75 (−1–+1) | 0.87 ± 0.26 (0.48–1) |
| DTT score | 20.9 ± 4.3 (12–26) | 22.8 ± 2.3 (20–26) | 14.5 ± 2.4 (12–17) |
| Cumulative years of private extra-curricular training | 9.2 ± 11.9 (0–46) | 10.2 ± 12.5 (0–46) | 5.9 ± 10.5 (0–21.5) |
| Number of lesson types | 3.4 ± 1.8 (0–6) | 3.9 ± 1.7 (0–6) | 1.8 ± 1.0 (1–3) |
| Time play music currently (hours) | 1.4 ± 1.7 (0–6) | 1.4 ± 1.6 (0–6) | 1.7 ± 2.2 (0–5) |
| Time listen music currently (hours) | 2.7 ± 2.1 (0.5–8) | 2.7 ± 2.2 (0.5–8) | 2.9 ± 2.3 (1–6) |
| Age began private music lessons (years) | 11.7 ± 3.2 (6–19 years; n = 14) | 11.6 ± 3.3 (6–19 years; n = 12) | 12.5 ± 3.5 (10–15 years; n = 2) |
| Sensitivity to specific (non-musical) sounds | 49.6 ± 21.1 (24–102) | 47.1 ± 21.0 (24–102) | 57.8 ± 22.2 (26–78) |
| Sensitivity to sound characteristics | 18.1 ± 6.3 (5–29) | 18.0 ± 7.0 (5–29) | 18.3 ± 4.6 (14–24) |
DTT: Distorted Tunes Test.