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Definition:

Speech disorders refer to several conditions in which a person has difficulty communicating by mouth.

See also: Speech impairment



Alternative Names:

Articulation deficiency; Voice disorders; Disfluency



Causes, incidence, and risk factors:

Speech is one of the primary ways we communicate with those around us. It is an effective way to monitor normal growth and development as well as to identify potential problems.

Disfluencies are rhythm disorders that are usually characterized by the repetition of a sound, word, or phrase. Stuttering is perhaps the most serious disfluency.

Articulation deficiencies involve sounds made incorrectly or inappropriately.

Voice disorders involve abnormalities in the quality, pitch, and loudness of the sound.

There are many potential causes of speech impairment. The most common cause is mental retardation . Other causes may include:

Delayed speech development is one of the common symptoms of developmentally delayed children. It occurs in 5 - 10% of all children. Boys are three to four times as likely to have speech disorders as girls.



Symptoms:

Disfluency:

  • Repetition of sounds, words, or phrases after age 4
  • Frustration with attempts to communicate
  • Head jerking while talking
  • Eye blinking while talking
  • Embarrassment with speech

Articulation Deficiency:

  • Unintelligible speech by age 3
  • Leaves out consonants at the beginning of words by age 3
  • Leaves out consonants at the end of words by age 4
  • Persistent problems with articulation after age 7
  • Leaves out sounds where they should occur
  • Distorts sounds
  • Substitutes an incorrect sound for a correct one

Voice disorders:

  • Pitch deviations
  • Deviations in the loudness and quality of the voice


Signs and tests:
  • Denver Articulation Screening Examination
  • Early Language Milestone Scale
  • Denver II
  • Peabody Picture Test Revised


Treatment:

The best treatment is prevention and early intervention by a speech pathologist. Speech training is an involved and time-consuming endeavor that can have profound results with consistent treatment.



Support Groups:



Expectations (prognosis):

The prognosis depends on the cause of the disorder. Usually, speech can be improved with speech therapy. Prognosis improves with early intervention.



Complications:

Speech disorders may lead to psychosocial problems associated with ineffective communication.



Calling your health care provider:

Call your health care provider if:

  • Your child's speech is not developing according to normal milestones
  • If you think your child is in a high-risk group
  • Your child is showing signs of a speech disorder


Prevention:

Mental retardation and hearing loss make children more likely to develop speech disorders. At-risk infants should be referred to an audiologist for an audiology exam. Audiological and speech therapy can then be started, if necessary.

As young children begin to speak, some disfluency is common. Children lack a large vocabulary and have difficulty expressing themselves. This results in broken speech. If you place excessive attention on the disfluency, a stuttering pattern may develop. The best way to prevent stuttering, therefore, is to avoid paying too much attention to the disfluency.




Review Date: 4/22/2008
Reviewed By: Alan Lipkin, MD, Otolaryngologist, Private Practice, Denver, Colorado. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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Wentworth-Douglass Hospital
789 Central Avenue, Dover, NH 03820
Phone: (603) 742-5252
Toll free: 1 (877) 201-7100