In DepthNeuroscience

This man can read letters but numbers are a blank

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Science  31 Jul 2020:
Vol. 369, Issue 6503, pp. 494
DOI: 10.1126/science.369.6503.494

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Summary

A man who can read but can't consciously see numerals could help scientists understand how conscious awareness arises in the brain. To him, numbers look like a jumble of lines, but he can read and do mental arithmetic, researchers report this month. "What it tells me," says Christof Koch, a neuroscientist at the Allen Institute who specializes in consciousness and was not involved in the work, "is that … you can get dissociation between cognition and consciousness."

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