Table 1.

Biperiden effects per pig line and dose of Biperiden

Biperiden (mg.kg-1body mass, p.o.)	Conventional pigs		Göttingen minipigs		Conventional pigs		Göttingen minipigs
	Working memory				Reference memory
0.05	t8 = 0.36	p = 0.7318	t8 = 2.05	p = 0.0796	t8 = 1.18	p = 0.2765	t8 = 0.34	p = 0.7425
0.15	t8 = -0.24	p = 0.8157	t8 = 1.63	p = 0.1477	t8 = 0.09	p = 0.9332	t8 = -0.66	p = 0.5277
1.5	t8 = 0.39	p = 0.7055	t8 = 0.55	p = 0.5983	t8 = -1.43	p = 0.1966	t8 = 0.27	p = 0.7986
5	t8 = 0.14	p = 0.8916	t8 = -0.62	p = 0.5577	t8 = -2.96	p = 0.0212	t8 = -4.75	p = 0.0021
15	t7 = -0.46	p = 0.6585	t8 = -0.41	p = 0.6975	t7 = -2.41	p = 0.0528	t8 = -0.22	p = 0.8316
20	n.t.		t8 = -2.50	p = 0.0412	n.t.		t8 = -3.55	p = 0.0094
	Trial duration				Latency to first rewarded hole visit
0.05	t8 = -0.81	p = 0.4427	t8 = -1.31	p = 0.2325	t8 = -1.00	p = 0.3519	t8 = -1.25	p = 0.2522
0.15	t8 = 0.89	p = 0.4032	t8 = -1.45	p = 0.1895	t8 = 0.08	p = 0.9375	t8 = 0.29	p = 0.7797
1.5	t8 = -0.49	p = 0.6358	t8 = -0.78	p = 0.4612	t8 = -1.18	p = 0.2749	t8 = -0.74	p = 0.4831
5	t8 = 4.27	p = 0.0037	t8 = 0.21	p = 0.8401	t8 = -1.63	p = 0.1476	t8 = -1.98	p = 0.0876
15	t7 = 1.55	p = 0.1725	t8 = 2.05	p = 0.0792	t7 = -3.00	p = 0.0241	t8 = -1.57	p = 0.1614
20	n.t.		t8 = 1.98	p = 0.0887	n.t.		t8 = -5.11	p = 0.0014

One-sample t-statistics and the associated p-values of the difference scores between the control sessions preceding treatment and the corresponding treatment sessions are tabulated. Abbreviation: n.t. not tested, because none of the conventional pigs consumed the entire dose of 20 mg.kg^-1. p-values < 0.05 are printed bold and italicized, p-values between 0.05 and 0.1 (marginal effects) are italicized.