Behavioral data collected in the fMRI study.

<p>(A) Distribution of desirability classifications by stimulus category, averaged over all subjects. Range shows minimum and maximum percentages among subjects. (B) Averaged response times in milliseconds by stimulus category and response classification. S.D. shows sample standard deviation. Range shows minimum and maximum response times, which were averaged within subject, among subjects. Each stimulus category includes 72 trials (a total of 216 trials for a subject).