Table 2.

Changes in hippocampal signal intensities during the encoding task in the 2 study groups

BOLD percentage signal change	APOE ε4-noncarriers	APOE ε4-carriers	P
Left hippocampus, familiar vs. rest	0.19 (± 0.07)	0.22 (± 0.10)	0.26
Left hippocampus, novel vs. rest	0.25 (± 0.10)	0.33 (± 0.12)	0.04
Left hippocampus, familiar vs. novel	0.14 (± 0.08)	0.13 (± 0.09)	0.97
Left hippocampus, novel vs. familiar	0.18 (± 0.07)	0.28 (± 0.16)	0.03
Right hippocampus, familiar vs. rest	0.19 (± 0.07)	0.23 (± 0.12)	0.27
Right hippocampus, novel vs. rest	0.25 (± 0.11)	0.36 (± 0.11)	0.006
Right hippocampus, familiar vs. novel	0.14 (± 0.09)	0.14 (± 0.12)	0.95
Right hippocampus, novel vs. familiar	0.19 (± 0.08)	0.31 (± 0.13)	0.003

Values are thresholded to 0 and denote mean (± SD).