How a stutter is developed?
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Scientists suspect a variety of causes. There is reason to believe that many forms of stuttering are genetically determined. The precise mechanisms causing stuttering are not understood.
The most common form of stuttering is thought to be developmental, that is, it is occurring in children who are in the process of developing speech and language. This relaxed type of stuttering is felt to occur when a child's speech and language abilities are unable to meet his or her verbal demands. Stuttering happens when the child searches for the correct word. Developmental stuttering is usually outgrown.
Another common form of stuttering is neurogenic. Neurogenic disorders arise from signal problems between the brain and nerves or muscles. In neurogenic stuttering, the brain is unable to coordinate adequately the different components of the speech mechanism. Neurogenic stuttering may also occur following a stroke or other type of brain injury.
Other forms of stuttering are classified as psychogenic or originating in the mind or mental activity of the brain such as thought and reasoning. Whereas at one time the major cause of stuttering was thought to be psychogenic, this type of stuttering is now known to account for only a minority of the individuals who stutter. Although individuals who stutter may develop emotional problems such as fear of meeting new people or speaking on the telephone, these problems often result from stuttering rather than causing the stuttering. Psychogenic stuttering occasionally occurs in individuals who have some types of mental illness or individuals who have experienced severe mental stress or anguish.
Scientists and clinicians have long known that stuttering may run in families and that there is a strong possibility that some forms of stuttering are, in fact, hereditary. No gene or genes for stuttering, however, have yet been found.
My son is 10, and he started to stutter at around age 5, when he was in the last year of pre-school. Nobody seems to know why - no one in our family has a speech problem, there were no emotional or psychological problems going on. We have had him to a speech therapist, but it didn't seem to help much. I have noticed, however, that his stuttering almost disappears when he has school vacation, which leads me to believe that the stuttering may be stress-related. Perhaps you are also having a stressful time?
par-pa-par-pa-pardon ?
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