Final answer:
The loci of stuttering refer to the areas in the brain associated with speech production and comprehension, including Broca's area and Wernicke's area.
Step-by-step explanation:
The loci of stuttering refer to the areas in the brain that are associated with speech production and comprehension.
One important area involved in speech production is called Broca's area, located in the frontal lobe of the brain.
Another area involved in speech comprehension is called Wernicke's area, located in the temporal lobe of the brain.