Table 1. Population characteristics.

	Nonmusician group	Musician group
Number	20	20
Women/men	10/10	10/10
Age: mean ± SD	24.55±3.80	22.85±3.05
Educational background £ , * : mean ± SD	16.35±2.03	15.15±0.99

SD  =  standard deviation.

^£ number of years of schooling.

*significant difference at p<0.05.