Table 1.

Summary of the ages of mice used for each experiment

Figure	Age of mice
3E	4- and 6-week-old
3F	7-week-old
6A	40-week-old
6B	40-week-old
6C	4- and 53-week-old
6D	4- and 40-week-old
7, Beam walk	3- and 6-month-old
7, Rotarod	3- and 6-month-old
7, Footprint	9-month-old
8	5- and 7-week-old