Psychogenic nonepileptic seizures: Characterization of two distinct patient profiles on the basis of trauma history

► Two distinct profiles of patients with psychogenic nonepileptic seizures were characterized on the basis of trauma history. ► These two groups differ with respect to psychiatric comorbidities and psychopathological mechanisms. ► Trauma is associated with psychiatric comorbidities and a dissociative mechanism. ► Absence of trauma is associated with predominant precipitating and perpetuating factors.