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Tool-making and language evolved at the same time

New research has revealed that the brain activity used to make tools is also used for language.

They measured the brain blood flow activity of the participants as they performed both tasks using functional Transcranial Doppler Ultrasound (fTCD), commonly used in clinical settings to test patients’ language functions after brain damage or before surgery.

The researchers found that brain patterns for both tasks correlated, suggesting that they both use the same area of the brain. Language and stone tool-making are considered to be unique features of humankind that evolved over millions of years.

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Story: University of Liverpool | Photo: University of Liverpool

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