Table 1 Variance analysis of brain average amplitude during small and medium split effects (n = 16).

From: Brain-mechanistic responses to varying difficulty levels of approximate solutions to arithmetic problems

Time window

Midline

Lateral

A

B

AB

A

C

AC

D

AD

CD

ACD

0–300 ms

+

+

300–800 ms

+

+

800–1050 ms

+

+

+

1050–1400 ms

+

+

+

+

1400–1700 ms

+

+

+

1700–2000 ms

+

+

  1. Note: (+) significant effect (P < 0.05); A, split; B, electrode; C, hemisphere; D, localization; 0–300 ms, warning fixation stimulus; 300–800 ms, first operand display; second operand shown 800 ms after warning signal.