Table 2 Summary of the number of movements recorded for the right and left hand at each gestational week for the right-handed and the left-handed fetuses.

From: The origin of human handedness and its role in pre-birth motor control

 

GW14

GW18

GW22

Right-handed

Left-handed

Right-handed

Left-handed

Right-handed

Left-handed

RH

66

11

85

13

94

13

LH

54

8

53

13

64

14

Total

120

19

138

26

158

27