Table 1.

The differences in responses (P values) to stimuli 1—5 for amplitude of depolarization, area of depolarization and number of spikes

Stimuli combination	Amplitude	Area of depolarization	Number of spikes
1–2	< 0.0001*	0.0030*	0.1679
1–3	< 0.0001*	0.0017*	0.0510
1–4	< 0.0001*	0.0017*	0.0187*
1–5	< 0.0001*	0.0011*	0.0187*
2–3	0.0060*	0.0056*	0.0368*
2–4	0.0090*	0.0035*	0.0095*
2–5	0.0080*	0.0011*	0.0095*
3–4	0.0038*	0.0444*	0.0811*
3–5	0.0076*	0.0067*	0.0811*
4–5	0.1669	0.1232	—

*Significant difference, P < 0.05.