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Agnosia

Object blindness after brain injury

This section looks at recent studies into the strange and debilitating condition of agnosia, or object blindness. Another section focuses on prosopagnosia, or face blindness, which causes people to be unable to distinguish one human face from another. This is a specific subtype of the more general condition known as agnosia, which leaves people with deficits in their ability to recognise different kinds of objects.

Object blindness comes in many different forms and with varying levels of severity. It can be difficult to imagine what it is like to be unable to distinguish, say, a chair from a table, but it is easy to understand the problems this could cause in everyday life. Although most of us take it completely for granted, object recognition is an incredibly sophisticated process of the human brain, which is at present almost impossible to recreate in computers and robots.


 
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