Face Blindness
(Prosopagnosia, Facial Agnosia)

Prosopagnosia (face blindness) facts*

*Prosopagnosia (face blindness) facts medical author:

  • Face blindness is a brain disorder characterized by the inability to recognize faces.
  • Face blindness is thought to be the result of abnormalities, damage, or impairment in the right fusiform gyrus, a fold in the brain that appears to coordinate the neural systems that control facial perception and memory.
  • Face blindness can result from stroke, traumatic brain injury, or certain neurodegenerative diseases.
  • The focus of any treatment should be to help the individual with face blindness develop compensatory strategies.
  • Adults who have face blindness as a result of stroke or brain trauma can be retrained to use other clues to identify individuals.

What is prosopagnosia?

Prosopagnosia is a neurological disorder characterized by the inability to recognize faces. Prosopagnosia is also known as face blindness or facial agnosia. The term prosopagnosia comes from the Greek words for “face” and “lack of knowledge.” Depending upon the degree of impairment, some people with prosopagnosia may only have difficulty recognizing a familiar face; others will be unable to discriminate between unknown faces, while still others may not even be able to distinguish a face as being different from an object. Some people with the disorder are unable to recognize their own face. Prosopagnosia is not related to memory dysfunction, memory loss, impaired vision, or learning disabilities. Prosopagnosia is thought to be the result of abnormalities, damage, or impairment in the right fusiform gyrus, a fold in the brain that appears to coordinate the neural systems that control facial perception and memory. Prosopagnosia can result from stroke, traumatic brain injury, or certain neurodegenerative diseases. In some cases it is a congenital disorder, present at birth in the absence of any brain damage. Congenital prosopagnosia appears to run in families, which makes it likely to be the result of a genetic mutation or deletion. Some degree of prosopagnosia is often present in children with autism and Asperger's syndrome, and may be the cause of their impaired social development.

Medically Reviewed by a Doctor on 3/26/2014

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