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Parkinsonian facies

Authoring team

The parkinsonian facies is characteristic:

  • palpebral fissures are wider than normal
  • the facial muscles are unusually immobile
  • eyes have a staring quality, partly a result of the reduction in the frequency of ocular eye movements
  • the glabellar tap reflex fails to habituate - the parkinsonian patient will blink in time with the taps for as long as the stimulus is applied.

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