Visual agnosia in patient RFS

You may remember Oliver Sacks’ 1985 book “The Man Who Mistook His Wife for a Hat,” about visual agnosia.  This piece is about a patient identified as RFS at Johns Hopkins Hospital who must have a subset of agnosia, as he could not recognize numbers, specifically the numbers 2 to 9.  EEGs showed that he was perceiving the numbers without awareness of them.   MORE

Image Credit:  MedicalXpress.com