Table 1.

Details of participants’ musical backgrounds and training, as measured by a self-report questionnaire

	Subject No.	Instrument	Age of Onset (Yr)	Years of Lessons	Years of Regular Practice	Years of Training	Hours of Weekly Practice	Hours of Daily Music Listening
Nonmusicians	1			0	0	0	0	0
	2		20	1	0	1	0	2
	3			0	0	0	0	0.25
	4			0	0	0	0	5
	5			0	0	0	0	1
	6			0	0	0	0	1.5
	7		10	1.5	0	1.5	0	1
	8			0	0	0	0	0.1
	9			0	0	0	0	0.5
	10			0	0	0	0	5
Mean			24.4	0.3	0	0.3	0	1.64
Musicians	11	Violin	7	11	11	11	2	2
	12	Piano, French horn	5	7	18	12	6	4
	13	Piano, Bass	6	12	18	18	2	2
	14	Piano	3	15	15	15	2	2.5
	15	Piano, Violin, Viola	5	17	19	20	3	4
	16	Piano, Flute	5	13	13	13	12	3
	17	Flute	7	12	13	15	15	3
	18	Piano, Cello, Flute	4	19	15	18	25	1
	19	Violin	3	18	18	18	4	10
	20	Violin, Clarinet	4	13	8	23	4	5
Mean			5.2	13.7	14.8	16.3	7.1	3.65
Grand mean			14.8	7	7.4	8.3	3.55	2.64