Table 3.

ERO energy in P and NP rats during the time interval corresponding to the P3 component (250–325 ms) in the parietal cortex.

	Standard Tone	Rare Tone	Noise Tone
Delta Band	F(1,20)=2.4, NS	F(1,20)=1.3, NS	F(1,20)=0.4, NS
P	71.8 ± 11.2	63.2 ± 16.7	58.5 ± 21.3
NP	50.7 ± 12.9	35.2 ± 16.1	38.9 ± 14.4
Theta Band	F(1,20)=4.6, P<0.05	F(1,20)=0.1, NS	F(1,20)=0.3, NS
P	196.4 ± 22.8	102.6 ± 30.4	58.5 ± 45.2
NP	127.2 ± 17.1	91.2 ± 13.2	23.2 ± 21.6
Alpha/Beta Band	F(1,20)=9.2, P<0.01	F(1,20)=0.2, NS	F(1,20)=2.5, NS
P	609.6 ± 45.0	355.7 ± 73.5	343.3 ± 68.8
NP	418.0 ± 32.3	315.2 ± 38.5	189.3 ± 50.9