Figure 8.

Deletion of p75NTR does not lessen memory deficits until 9 months of age. Nine-month-old animals were subjected to Morris water maze test for a consecutive 5 d (n = 10 in each group). A, Latency taken to escape from the water in the platform trials. B, Distance taken to escape from the water in the platform trials. C, Swimming speed during the consecutive days of training. D, The number of crosses over the exact location of the hidden platform in the probe trial. E, Percentage of time spent in the quadrant area relative to the total time spent in the pool in the probe trial. The results are means ± SEM.