Table 2.

Fraction (%) of hiPS and ES Cell-Derived Neurons Expressing the 4 Types of APs in Each Stage of the 4-Week Differentiation

	Human iPS cells				Human ES cells
AP types	1 w	2 w	3 w	4 w	1 w	2 w	3 w	4 w
Abortive APs	100	0	0	0	100	0	0	0
Single APs	0	66.7	54.5	22.2	0	100	72.2	58.8
Multiple APs	0	22.2	27.3	33.3	0	0	16.7	17.6
Repetitive APs	0	11.1	18.2	44.5	0	0	11.1	23.5

“w” stands for week.