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Using brain scans, a team at the Oxford University has carried out a series of studies which have shown distinct differences between the brains of people in pain and others who are not.
“Pain seems to increase the blood flow to certain parts of the brain roughly in proportion to the amount of pain felt, and we can measure that activation in a brain scan,” the team’s leader Prof Irene Tracey said.
What the scientists have found is that the brain possesses what they call a “pain matrix”, with such feelings typically activating more than a dozen parts of the brain, ‘The Sunday Times‘ reported.
This is in contrast to other senses such as vision or hearing, where stimuli are generally fed to just one part of the brain for interpretation.