Table C1.

Summary of the statistical analysis for the pre-onset negativity in Experiments 1 and 2a.

Exp. 1 (−350 – +50ms)	Exp. 2a (−200 – +50ms)
ANOMALY	ANOMALY × ROI
LAT: F(2,44) = 3.95, p=0.02  detected vs. non-detected: F(1,22)=5.10,  p=0.034, marginally significant  detected vs. control: F(1,22) = 7.61,  p=0.011	LAT: F(6,126) = 5.73, p=0.002  ANOMALY  - no effect in any ROI -
	MID: F(10,210)= 4.97, p=0.009  ANOMALY  PZ: F(2,42)= 3.48, p = 0.040   detected vs. control: F(1,21) =   8.13, p=0.009  POZ: F(2,42)= 4.15, p = 0.023   detected vs. non-detected:   F(1,21), = 8.73, p=0.007   detected vs. control: F(1,21) =   8.30, p=0.009
MID: F(2,44)= 5.74, p=0.006  detected vs. non-detected: F(1,22)=7.80,  p=0.010  detected vs. control: F(1,22) = 10.80,  p=0.003

Only effects that reached significance are reported. Analogous to the analyses reported in the main text, a modified Bonferroni procedure was used to account for multiple testing, resulting in a corrected threshold of p= 0.033 for pairwise comparisons.