Anton's Syndrome: The Brain That Is Blind But Thinks It Can See | Extraordinary Brains #4

Описание: Anton's Syndrome is the condition where someone thinks they can see, despite obvious signs that they suffer from cortical blindness: A case study by Madulla et al. (2009)

In this video in the 'Extraordinary Brains' series, we discuss a case study describing an 83-year old woman who was diagnosed with Anton's syndrome. This patient was found collapsed one day at her home, and was taken to the hospital. Upon examination, it was determined that she had suffered a cerebral infarction to the right occipital and left occipito-parietal lobes, regions important for vision. This infarction led the patient to suffer cortical blindness; a form of blindness that is caused, not by damage to one's eyes, but by bilateral damage to brain regions involved with vision.

Strangely however, although the patient was unable to see, she denied all loss of vision. Despite her blindness, she still behaved as if she could see, which caused her to frequently walk into walls and fall over objects. The patient showed signs of confabulation; the creation of false memories without any intentions of deception. Thus, she did not deliberately lie about her loss of vision. Rather, she genuinely believed that the false memories she created were true.

The woman was eventually diagnosed with a condition called 'Anton's syndrome', an extension of cortical blindness associated with a denial and confabulation of one's loss of vision. The woman was eventually released from the hospital, and moved in with family members. Although her physical condition improved over time, the likelihood of any substantial improvement in her vision was deemed low.

Case report:
Maddula, M., Lutton, S., & Keegan, B. (2009). Anton's syndrome due to cerebrovascular disease: A case report. Journal of Medical Case Reports, 3:9028. doi:10.4076/1752-1947-3-9028

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