Figure 1. Range and frequency of self-reported transient loss of consciousness symptoms in patients with epilepsy, syncope, and psychogenic nonepileptic seizures (PNES).

Graphic representation of the respondents' mean answers to the 86 questions posed in the paroxysmal event profile (PEP) illustrates the relative diagnostic value of individual items. Mean answers are indicated for each group by the light blue line. The shade of the background color also indicates the mean response (with dark shades reflecting more frequent experiences and light shades less frequent experiences).