Group characteristics
| Group | Age (in years) | IQ (standard score) | Starting age (in years) | Stopping age* (in years) | Total* (in years) | Years since music lessons* |
|---|---|---|---|---|---|---|
| 0 years | 21.67 (3.87) | 121.47 (9.03) | ||||
| 1–5 years | 20.20 (1.47) | 125.73 (8.55) | 9.73 (2.09) | 13.00 (2.07) | 3.26 (1.16) | 7.20 (2.73) |
| 6–11 years | 20.53 (1.06) | 127.07 (2.16) | 8.53 (2.10) | 17.20 (2.81) | 8.67 (1.88) | 3.33 (2.92) |
Subjects were divided into three groups based on the number of years they played a musical instrument. The mean (SD) age and IQ are reported, in addition to the age at which music lessons started and stopped, the duration of music lessons, and how many years ago music practice ceased.
↵*p < 0.01.