Table 1.
Summary of Experiments
Age group
a
RN stimulation
RST tracing
2–3 (6)
4
2
4–6 (8)
4
5
7–8 (7)
3
4
9–16 (7)
6
4
Adult (7)
3
4
Total (35)
20
19
↵
a
Age is given in postnatal weeks (group
N
).