Table 3.

Mean Z values for primary (POC) and secondary (SOC) olfactory projection areas across subject groups.

POC	H	Young (n = 10)	Old (n = 10)	AD (n = 12)
Amygdaloid	L	3.32 (1.52)	3.44 (1.84)	1.96 (1.57)
Complex	R	2.93 (1.54)	2.86 (1.31)	2.19 (1.35)
Piriform	L	2.99 (1.20)	2.99 (1.67)	1.96 (1.51)
Cortex	R	2.75 (1.27)	2.51 (1.41)	1.88 (1.13)
Entorhinal	L	1.92 (0.87)	2.26 (0.87)	1.53 (0.72)
Cortex	R	1.94 (0.64)	2.48 (1.01)	1.57 (0.73)
SOC	L	1.50 (0.50)	2.15 (0.84)	1.56 (0.62)
Hippocampus	R	1.60 (0.63)	1.90 (0.67)	1.61 (0.95
Insular	L	2.45 (1.16)	2.24 (1.12)	2.01 (0.90)
Cortex	R	2.35 (0.89)	2.41 (1.18)	1.98 (0.99)
Orbital Frontal	L	1.19 (0.38)	1.70 (0.65)	1.42 (0.46)
Cortex	R	1.27 (0.56)	1.97 (0.73)	1.28 (0.40)