Table 2.

One-Tailed p-Values Obtained After Pairwise Within-Group Comparisons Using t-Tests for Dependent Samples for Object Contacts and the Time Spent in Object Zones During the Test for Long-Term Memory on Day 15

	Number of contacts		Time spent in object zone
Objects	WT	HDC-KO	WT	HDC-KO
A < B	p = 0.034	p = 0.293	p = 0.124	p = 0.064
A < C	p = 0.036	p = 0.247	p = 0.084	p = 0.183
A < D	p = 0.001	p = 0.156	p = 0.009	p = 0.073
B < C	p = 0.142	p = 0.464	p = 0.265	p = 0.333
B < D	p = 0.001	p = 0.245	p = 0.004	p = 0.334
C < D	p = 0.008	p = 0.263	p = 0.038	p = 0.227