Fig. 3

Relationships between individual subjective sweetness scores and areal occupancy rate in the theta, alpha and beta frequency bands, respectively. Each data point represents the sweetness score and the areal occupancy rate. A set of two points was obtained from the same participant under the conditions of unmatched and matched odor stimulation, respectively, and the set of two points was connected with a line. Data obtained from all participants are plotted together. Red lines show linear fitting. Asterisk denotes that in the theta frequency band sweetness scores correlate with areal occupancy rate