21. During speech production , people who stutter show overactivity in the anterior insula, cerebellum and bilateral midbrain. 22. This left frontal lobe brain area ( Broca's area ) is an important speech production region. 23. Speech production activations begin prior to verbal response in the peri-Rolandic cortices ( postcentral gyri ).24. Stevens is best known for his contributions to the fields of Phonology, speech perception, and speech production . 25. As an example of what processing online means, let us examine speech production in a fluent speaker. 26. These lesions were determined to cover the area of his brain that was important for speech production . 27. In 1907, he was the first person to describe the speech production disorder of foreign accent syndrome. 28. The mechanisms involved in dual-route processing, moving from the recognition of a written word to speech production . 29. It would also predict that defects in speech production would impair speech perception, but they do not. 30. His PhD was on " slips of the tongue and what they tell us about speech production ".
