Table 7 Simple effects of correctness on Pe amplitudes, as a function of object and electrode position

Anterior

1.17

− 0.10

− 1.98*

− .16

− 1.02

− .08

N.S.

–

N.S.

–

N.S.

–

Anterior-Central

− 2.81*

− .23

− 4.10**

− .33

− 3.77**

− .31

− 0.08

− .07

− 2.34*

− .19

− 1.33

− 0.11

Posterior-Central

− 5.20**

− 0.42

− 7.47**

− .61

− 5.64**

− .46

− 3.33*

− .27

− 8.25**

− .67

− 4.78**

− 0.39

Posterior

N.S.

–

N.S.

–

N.S.

–

− 2.91*

− .24

− 5.82**

− .47

− 5.99**

− 0.49