Hypomimia

Drawing of a Parkinson's disease patient face showing hypomimia. Depiction appeared in Nouvelle iconographie de la Salpétrière, tome 1 (1888)

Hypomimia (masked facies, masking of facies), a medical sign, is a reduced degree of facial expression. It can be caused by motor impairment (for example, weakness or paralysis of the facial muscles), as in Parkinson's disease, or by other causes, such as psychological or psychiatric factors (for example, if a patient actually does not feel emotions and thus does not show any expression).[1]

See also

References

  1. ↑ Jankovic J (April 2008). "Parkinson's disease: clinical features and diagnosis". J. Neurol. Neurosurg. Psychiatr. 79 (4): 368–76. doi:10.1136/jnnp.2007.131045. PMID 18344392.
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