Verbal descriptors for sensations.

<p>Incidence of the nine most common verbal descriptors for placebo-induced sensations. Of all 78 possible descriptors, these were the only ones chosen by 20% or more of the subjects. Together, they accounted for 59.9% of all reported sensations, which illustrates the similarity of sensations across subjects. Results from the imagined stimulation (experiment 3) are shown in the small box. In addition to the two most common descriptors from experiments 1 and 2, subjects frequently reported radiating sensations for imagined stimulation.