Table 1.

Preoperative sensorimotor task raw values

Task	4-Month-old group	22-Month-old group
Turning in an alley	4.9 ± 0.7	12.4 ± 1.2^*
Escape from 6 cm bridge	50.9 ± 10.4	98.7 ± 7.9^*
Fall from 6 cm bridge	120.0 ± 0	77.2 ± 10.4^*
Escape from 2 cm bridge	65.5 ± 8.5	115.5 ± 4.2^*
Fall from 2 cm bridge	107.3 ± 5.8	27.4 ± 8.3^*
Escape from round bridge	111.7 ± 8.3	120.0 ± 0
Fall from round bridge	28.6 ± 9.5	2.9 ± 0.5^*
Fall from wire	22.4 ± 7.2	4.2 ± 0.7^*
Fall from inclined screen	1520.8 ± 131.8	303.4 ± 65.2^*

All values are mean ± SEM.
↵* p < 0.05 relative to the 4-month-old group.