Table 7.

t-tests comparing trials initiated during brief-access tests

Test	Statistic
Two-Sample t-tests
Contribution of T1R1 + T1R3 receptor	T-statistic		P value
Maltrin-1	14.20		0.01
Maltrin-2	2.22		0.15
Maltrin-3	11.40		0.01
MSG + A + I-1	1.00		0.33
MSG + A-1	3.70		0.07
MSG + A + I-2	0.05		0.83
MSG + A-2	2.43		0.13
MSG + A + I-3	0.61		0.44
MSG + A-3	1.99		0.17
NaGlu + A + I	−2.54		0.02
NaGlu + A	−1.50		0.15
Paired t-tests
	WT		KO
	T	P	T	P
Contribution of IMP
MSG + A + I-1 vs. MSG + A-1	0.71	0.49	4.67	0.01
MSG + A + I-2 vs. MSG + A-2	0.38	0.71	2.05	0.05
MSG + A + I-3 vs. MSG + A-3	2.30	0.04	3.17	0.01
NaGlu + A + I vs. NaGlu + A	0.18	0.86	−1.28	0.23
Contribution of L-glutamate
MSG + A + I-2 vs. NaGlu + A + I	3.99	0.01	6.89	0.01
MSG + A-2 vs. NaGlu + A	8.50	0.01	2.87	0.01
Contribution of experience with L-glutamate	WT		KO
MSG + A + I
1 vs. 2	0.34	0.74	0.91	0.38
2 vs. 3	1.09	0.30	0.001	1.00
1 vs. 3	1.05	0.32	1.21	0.25
MSG + A
1 vs. 2	0.08	0.93	-0.38	0.71
2 vs. 3	2.42	0.03	1.99	0.07
1 vs. 3	2.64	0.02	2.43	0.03

Bolded values indicate statistical significance (P ≤ 0.05).

Data for these analyses can be found in Figure 4.