Fig. 2.

Experimental design applied to each of the two age groups (6 or 18 months at the beginning of the experiment). The 12 d period of daily BrdU injections is symbolized by syringes.WMZ, Behavioral testing on the water maze task.

Experimental design applied to each of the two age groups (6 or 18 months at the beginning of the experiment). The 12 d period of daily BrdU injections is symbolized by syringes.WMZ, Behavioral testing on the water maze task.