X

The Curious Case of a Man Who Cannot See Simple Digits From 2 to 9

Scientists at Johns Hopkins University recently reported the strange case of a man’s whose rare degenerative brain disease left him unable to distinguish basic numbers from 2 to 9.

After studying an engineering geologist diagnosed with a rare degenerative brain disease called corticobasal syndrome for eight years, researchers published a study which they claim suggests that a brain response to a picture or a word does not necessarily mean that person is aware of it. The protagonist of their research had suffered neurological damage to such an extent that he could not distinguish or reproduce numbers between 2 and 9, nor pictures or words with such digits embedded in them. And yet, electroencephalography (EEG) results showed that his brain was able to properly identify all pictures and words, even id he wasn’t aware of it.

Read More »