How do blind people solve math problems?

Q.  People born without sight use which part of the brain to engage in numerical reasoning?
- Published on 21 Sep 16

a. Frontal
b. Temporal
c. Visual
d. Cerebral

ANSWER: Visual
 
How do blind people solve math problems?For the first time, researchers have found that people born without sight solve math problems using visual areas of the brain.
  • Humans and animals have a basic number sense that many believe evolves from seeing the world and trying to quantify all the sights
  • Neuroscientists have found that the brain network behind numerical reasoning is identical in blind and sighted people
  • Researchers found visual cortex in blind people is highly involved in doing math, indicating that the human brain is more adaptable than previously thought
  • Blind people may not see anything in their lives, but they have the same number network as people who can see
  • Researchers also found the more complicated the math problem, the greater the activity in the visual cortex
  • New finding contradicts recent research
  • The visual cortex is now found to respond to everything from spoken language to mathematics problems

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