Table 3. Parameters from regression between threshold amplitudes obtained using each of the physiological measures and that obtained from the joystick (x).

P-values are for the slope of the regression equation (n = 18).

X	Equation	R2	r	p
Fy	0.4871x + 500.56	0.4169	0.646	0.004
Mx	0.5024x + 435.52	0.4240	0.651	0.003
Hay	0.3705x + 602.55	0.4085	0.639	0.004
Hrv	0.2165x + 665.51	0.1457	0.382	0.118
Tay	0.4772x + 548.38	0.4912	0.701	0.001
Trv	0.3426x + 677.41	0.1948	0.441	0.067