Table 2.

Stereology sampling scheme used with the optical disector method to quantify neurons of the cerebral cortex and hippocampal formation.

	Cerebral cortex	CA3 pyramidal cells	CA1 pyramidal cells	Dentate granule cells
Disector height	12 µm	12 µm	12 µm	12 µm
Counting frame area	25 µm x 25 µm	18 µm x 18 µm	16 µm x 16 µm	10 µm x 10 µm
Raster pattern sampling step	1/238	1/18	1/15	1/40
x,y step	148,750 µm2	5832 µm2	3840 µm2	4000 µm2
Section sampling fraction for Vref	1/4	1/4	1/4	1/4
Section sampling fraction for Nv	1/24	1/12	1/12	1/12