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Brain Physiology and Stuttering

"Stuttering Linked to Reduced Blood Flow in Area of Brain Associated With Language." So writes an article published in Science Daily on 3 January 2017. Its opening summary reads:

A new study demonstrates that regional cerebral blood flow is reduced in the Broca's area -- the region in the frontal lobe of the brain linked to speech production -- in persons who stutter. More severe stuttering is associated with even greater reductions in blood flow to this region.

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