Page:The American Journal of Psychology Volume 1.djvu/48

 42

LOMBARD :

these averages is placed under the sign +, if the knee-jerk was greater after the meal, and under the sign —, if it was greater before the meal.

Effect of Meals Upon the Knee-Jerk.

Date.

Breakfast.

Lunch.

Dinner.

April, 1887.

0)

E

o

1

2

<

+

-

i

s

u

3

+

-

©

E

a 3

£

8

<

+

-

1st

36 28 40 31 19 23 29 22 35 13 9 20 25 20

88 72 64 73 51 79 71 70 71 53 40 57 74 53

52

44 24 42 32 56 42 48 36 40 31 37 49 33

111

63 36 20 27 49 66 29 37 26 23 21 44 42

68 52 74 24 43 54 34 42 36 44 41 42 46 41

38 4

16 5

13

18 18 21

2

43 11

32

1

1

49 23 33

27

15 31 44 21

27 29 42 16

44 33 57 21 57 32 52 51 33 31 25 34 50 36

10 24

17

21

7

12

5

8

20

5

2d

3d (Sunday) 4th

6

5th

6th

7th

8th

9th

10 (Sunday)

11th

12th

13th

14th

2

25

65

40

43

47

4

1

30

40

10

From the table, one learns that the knee-jerk was always greater after, than before, breakfast. As has been said, however, this comparison is scarcely just, because the subject was not fully awake at the time of the first examination. One also sees that the average was greater after than before lunch, on nine of the fourteen days studied ; that on two more days, the 9th and 14th, there was only the dif-