Stuttering related to brain circuits that control speech production

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https://www.sciencedaily.com/releases/2016/11/161123124253.htm

This article discusses how researchers conducted a study in order to determine which areas of the brain are affected that causes stuttering. They did this by performing proton shift imaging which takes a look at the neural density this is related to stuttering in 47 children and 47 adults

Before reading this article, I assumed that stuttering was caused by impairment in the Broca's area because this is part of the brain that is responsible for speech production. Along with impairment to the Broca's area, I thought the motor cortex was involved as well. However, this article informed me that not only is the Bohland speech-production network that is associated with the regulation of motor activity, but attention and emotions also play a part. The areas of the brain that are responsible for regulating attention are important when it comes to monitoring behavior. Emotions is pretty straight forward. Those who suffer from anxiety and stress tend to stutter. Another important thing to note is that disturbances in membrane metabolism also contribute to stuttering. The MRS study confirmed that there are differences in the metabolic profiles of children and adults.

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