External electrical stimuli in microvolt

m = 16.9

m = 19.98

m = 24

m = 32

m = 42

m = 54

m = 250

20

0.71

0.67

0.60

0.52

0.46

0.40

0.18

25

0.81

0.74

0.68

0.58

0.51

0.45

0.25

50

1.14

1.05

0.96

0.83

0.72

0.63

0.29

100

1.60

1.49

1.34

1.16

1.01

0.90

0.41

150

1.93

1.83

1.63

1.42

1.24

1.06

0.50

250

2.23

2.37

2.15

1.86

1.62

1.43

0.66

350

3.03

2.67

2.55

2.20

1.92

1.69

0.79