Uncanny Sight in the Blind
From: Scientific American - 05/01/2010
By: Veatrice de Gelder

Some people who are blind because of brain damage have "blindsight": an
extraordinary ability to react to emotions on faces and even navigate around
obstacles without knowing they can see anything

Some people who are blind because of brain damage exhibit "blindsight," a
phenomenon where they respond to objects and images they cannot consciously
see.

Blindsight can detect many visual features, including colors, motion, simple
shapes, and the emotion expressed by a person's face or posture.

Researchers are mapping the evolutionarily ancient brain areas responsible
for blindsight and exploring the limits of this remarkable ability.

Read the entire article at:
https://www.scientificamerican.com/article/uncanny-sight-in-the-blind
https://www.scientificamerican.com/index.cfm/_api/render/file/?method=inline&fileID=1B3200D0-6128-4209-B2F84A74F33D07B4

Related:
Helen, a Blind Monkey Who Sees Everything (video 0:52)
https://youtu.be/rDIsxwQHwt8

Nonconscious Processing: Blindsight (video 5:41)
https://youtu.be/R4SYxTecL8E