Figure 2.

Spectral differences in the theta frequency band for medium M1. (A) Scalp topography of theta power during the mental experiences of information later rated as low (<50%) or high (≥50%) in accuracy [the unit being 10*log₁₀(μV²)]. The large dots on the differential scalp topography indicate significance at p < 0.005. (B) When splitting the data into three quantiles of increasing accuracy (i.e., 0–34; 40–80; and 100% accuracy), theta power for the intermediate accuracy level fell in between the high and low accuracy levels. Error bars indicate 95% confidence intervals.