Differentiating between nonepileptic and epileptic seizures.

Psychogenic nonepileptic seizures (PNES) and epileptic seizures share many similar features, as a result PNES are often misdiagnosed and mistreated as epilepsy. In this article, Devinsky et al. provide an overview of the latest findings relating to risk factors and pathogenesis of PNES, and highlight the clinical features that can help clinicians differentiate between this condition and epileptic seizures.