Nonepileptic Seizures

Physiologic

Psychogenic

Cardiac arrhythmias Complicated migraines Drug/Toxic effects Dysautonomia Hypoglycemia Movement disorders Panic attacks Sleep disorders Syncopal episodes Transient ischemic attacks (TIAs)

Vestibular symptoms

Misinterpretation of physical symptoms Psychopathological processes:

Conversion disorder Somatization disorders Dissociative disorders Anxiety disorders (including PTSD)

Hypochondriasis Psychoses Reinforced behavior patterns in cognitively impaired patients Response to acute stress without evidence of psychopathology