Importance: The ability of patients with unilateral facial paralysis to recognize and appropriately judge facial expressions remains underexplored.
Objective: To test the effects of unilateral facial paralysis on the recognition of and judgments about facial expressions of emotion and to evaluate the asymmetry of facial mimicry.
Design, Setting, And Participants: Patients with left or right unilateral facial paralysis at a university facial plastic surgery unit completed 2 computer tasks involving video facial expression recognition.