Conversion disorder is typified by numbness, paralysis, loss of vision, or other neurological symptoms after a traumatic or stressful event, without any identifiable medical cause. Schizophrenia, bipolar disorder, and stiff person syndrome all have medically identifiable causes.

Delirium is an organic dysfunction of the brain usually seen in sick patients post-op. These patients need frequent reorientation to name, time, and place until the delirium resolves. Agitation, confusion, and difficult to control behavior is typically controlled with antipsychotics, however, they are not first line treatment. Restraints should be avoided at all costs.