Figure 9.
Number of Nissl-stained mature neurons in layer II of area 36 in unoperated control (black), neonatal hippocampal-lesioned (red) and adult hippocampal-lesioned (blue) monkeys. A. Total number of mature neurons. B. Number of small and large mature neurons, below and above the median soma size of controls (1,200 µm3). C. Distribution of mature neuron soma size (in cubic micrometers, µm3). Dotted lines represent the average soma size for each group (controls: 1,331 µm3; neonatal lesion: 1,426 µm3; adult lesion: 1,469 µm3).