Table 2.

Density (no./mm²) of Aβ-immunoreactive capillaries and larger vessels in the cortex at 4 coronal brain levels of a 26-y-old mangabey

Cortical region	Affected capillaries	Affected larger vessels
Anterior frontal	0.86	0.03
Anterior—mid	0.71	0.37
Posterior—mid	1.04	0.60
Occipital	1.38	1.04

See Figure 1 for a description of the cortical regions.