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stuttering; stammering

Etiology: 1) developmental 2) acquired Epidemiology: -> common developmental disorder Pathology: -> cerebral lesions in permanent acquired form Clinical manifestations: 1) interruptions of normal speech by involuntary repetition 2) prolongation or arrest of uttered letters or syllables 3) acquired form (differs from developmental form) a) prolongation & blocks are restricted to the initial syllables b) no adaptation c) not accompanied by grimacing d) may be transient or permanent

General

fluency disorder

References

  1. Principles of Neurology, 4th ed, Adan RD & Victor M (eds) McGraw-Hill, Inc, New York, 1989, pg 391
  2. Stuttering http://www.nidcd.nih.gov/health/voice/stutter.asp