Stuttering consists of the interruption in the flow of speech and blocking of the pronunciation of certain sounds, which is frequent enough to cause problems for the speaker. The diagnostic criteria noted in DSM-III (1980) are as follows:
Frequent repetitions or prolongations of sounds, syllables, or words or frequent, unusual hesitations and pauses that disrupt the rhythmic flow of speech.
KeywordsTwin Pair Female Proband Syllable Repetition Speech Disruption Single Major Locus
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© Plenum Publishing Corporation 1986