Table 1.: Presence of τ and Aβ as a function of brain region and APOE.

APOE Tau Amyloid-β
ε2/E3 Neocortical 1/2 Neocortical 1/2
  Allocortical 2/2 Allocortical 0/2
  Locus ceruleus 2/2 Locus ceruleus 0/2
  NBM 1/2 NBM 0/2
E3/E3 Neocortical 4/14 Neocortical 8/14
  Allocortical 13/14 Allocortical 6/14
  Locus ceruleus 14/14 Locus ceruleus 0/14
  NBM 12/14 NBM 0/14
E3/E4 Neocortical 2/4 Neocortical 2/4
  Allocortical 4/4 Allocortical 2/4
  Locus ceruleus 4/4 Locus ceruleus 0/4
  NBM 4/4 NBM 0/4

NBM = nucleus basalis of Meynert