Table 1.

Overall density (no./mm²) of vascular Aβ deposits in the cortex at 4 coronal brain levels of a 26-y-old mangabey

Cortical region	Superficial	Intracortical	Total
Anterior frontal	0.22	0.67	0.59
Anterior—mid	0.56	0.94	1.5
Posterior—mid	0.69	0.84	1.64
Occipital	1.26	1.17	2.37

See Figure 1 for a description of the cortical regions.