Stuttering is a disturbance in the rhythm of speech, characterized either by an intermittent blocking or by a convulsive repetition of sound. Stuttering is of special interest to pediatricians, since it generally has its onset during early childhood and since it is practically the only problem of early childhood that, once established, tends to become more pronounced and to persist into adult life. Occasionally stuttering may develop in the adult, but as a rule this type of stuttering has not the same etiologic basis as the type generally observed. Stuttering which begins in adult life has either a purely hysterical or a definitely organic basis.
In spite of the fact that stuttering has been known from time immemorial, only a few concrete facts about the subject have been definitely established. The outstanding fact is that it occurs more commonly among boys than among girls; the proportion usually given is approximately
KARLIN IW, KENNEDY L. STUTTERING: PROBLEM AND SUGGESTED TREATMENT. Am J Dis Child. 1938;55(2):383–396. doi:10.1001/archpedi.1938.01980080154011
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