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Prosopagnosia

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Prosopagnosia
PROSOPAGNOSIA

Every day a married man wakes up next to a woman he doesn’t recognize. No, he hasn 't been unfaithful; he has prosopagnosia, the inability to recognize or distinguish faces. The woman is his wife, but when he looks at her, he can’t tell who she is. It’s not a memory problem; if you tell the man his wife 's name or if he hears her voice he knows her very well.

Prosopagnosia is a type of agnosia. Agnosia is the inability to recognize the import of sensory impressions, according to Dorland 's Medical Dictionary for Health Consumers. However, prosopagnosia is an inability or difficulty in recognizing familiar faces; it may be congenital or result from injury or disease of the brain, according to the American Heritage® Medical Dictionary.

Statistics suggest that 2% of the population may suffer from prosopagnosia or ‘face-blindness’. Prosopagnosia was initially described and studied in detail in the 1947 by Joachim Bodamer, a German neurologist.

The aim of this paper is to examine how the cognitive functions and physiological functions combined bring about a specific behaviour in people.

Prosopagnosia is a neuropsychological condition involving the inability to recognize faces of people they know. It is said to be a neurological, because it involves the brain, any damage done to a specific area of the brain impairs the patient from recognizing faces. The specific area of the brain responsible for this disorder is the fusiform gyrus which is part of the temporal lobe. It is also called the occipitotemporal gyrus. Researchers infer then that the problem has something to do with the fusiform gyrus itself or in the neural pathways that convey information from that area to other parts of the brain, like the occipital lobe, which processes visual information. so, prosopagnosics usually rely on voice, style of walking, hairstyle, clothing etc. to attain recognition of the person they regularly meet or are in contact with; it could be people as close



Bibliography: http://rarediseases.about.com/od/rarediseasesp/a/prosopagnosia.htm http://www.faceblind.org/research/ http://www-psychology.concordia.ca/fac/deAlmeida/PSYC352/Pages/Young-2001-prosopagnosia.pdf http://prosopagnosia.totallyexplained.com/ http://books.google.co.in/books?id=3GkVAAAAIAAJ&pg=PA87&lpg=PA87&dq=famous+case+study+for+prosopagnosia&source=bl&ots=3ob0NYkqe7&sig=o6DnDaKuZGNYWmdRojxXHfIIYrc&hl=en&ei=eVabSphLybC2B8TY8MgE&sa=X&oi=book_result&ct=result&resnum=1#v=onepage&q=famous%20case%20study%20for%20prosopagnosia&f=false http://electronics.howstuffworks.com/gadgets/high-tech-gadgets/facial-recognition.htm http://en.wikipedia.org/wiki/Prosopagnosia#Subtypes http://www.macalester.edu/psychology/whathap/UBNRP/visionwebsite04/prosopagnosia%20types.html

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