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A form of visual agnosia marked by the inability to recognize simple shapes such as circles and triangles.
A failure to understand the meaning of objects due to a deficit at the level of semantic memory.
McNeil and Warrington 1993
case of W.J who had strokes so got prospagnosia. Could not select famous faces from normal ones. Went into sheep farming but could recognise those individually. Shows FRU was lost. Must be another animal system or they fall under objects.
Humphreys et a; 2007
3 patients who had prospagnosia. Unable to recognise faces but could recognise expressions. Shows they are seperate processes so support the model.
Campbell et al 1986
One women who had prosopagnesia and couldnt tell what sex they were. Could tell what phonemes were being mouthed in photos. Suggests facial speech analysis was good but not structural encoding or direct visual processing. Supports the model as shows they are seperate.
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