Verbal developmental dyspraxia

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Classification according to ICD-10
F80.0-F80.9 Circumscribed developmental disorders of speech and language
R48.2 Apraxia
ICD-10 online (WHO version 2019)

The Verbal Entwicklungsdyspraxie (VED) is a developmental disorder child's speech, which is characterized by a poor pronunciation. The origin has not yet been clarified with certainty; one theory sees the problem at the level of speech movement planning and programming, which severely affects the ability to relate the movements required for speech productions to their spatial and temporal relationships. This results in the inability or the restricted ability to use the organs of articulation in an arbitrary and controlled manner for a planned utterance. The VED has a disruptive influence on the entire language system that is currently developing. Speech comprehension is not affected by the disorder, so it is a speech disorder.

etiology

The causes discussed are: industrial chemicals, genetic disposition, as well as neurological abnormalities or metabolic disorders.

Symptoms

An early feature is common: hardly any babbling or babbling productions in infancy. Characteristics of the disorder are: extremely delayed language acquisition, barely understandable language; Search movements and / or silent positioning of the lips and tongue before and during an utterance. The sound formation is disturbed: There are multiple sound formation errors such as omissions, substitutions, exchanges, additions, repetitions and lengthening of consonants and vowels; possibly “loss” of already mastered words; The main feature is the variability of the phonetic errors (inconsistent and inconsistent): one and the same word is articulated in different ways.

Frequent abnormalities in association with a VED are dysgrammatism, oral / buccofacial apraxia and hyper- or hyposensitivity in the mouth area (consequences include, for example, expressions of pain even when carefully brushing your teeth or very warm, but usually easily edible food) as well as sucking, swallowing and chewing difficulties . This can result in difficult, possibly inadequate food intake, especially in babies. In this case, chewing (more biting than grinding) is noticeable in older children; in extreme cases it can go as far as gagging and partial vomiting while eating (including finely pureed porridge). If necessary Various foods are rejected by the child due to their consistency.

therapy

Often the suspicion of a verbal developmental dyspraxia arises only because of insufficient or minimal progress despite long speech therapy. In a Cochrane analysis from 2008 it was concluded that the study situation does not allow any form of therapy to be specified that is successful. From clinical experience, oral motor exercises do not seem to be effective. One possible approach is the multi-sensory association method, in which the individual sounds are assigned visual and tactile-kinesthetic cues. The repetition rate of the respective exercise content must be extremely high in order to be able to automate speech movement processes. Therefore, the intensive involvement of the caregivers in the therapy work is even more essential than usual for the success of the therapy.

Various therapeutic approaches: McGinnis association method mod. (R.Meir); Ko-Art (U. Becker-Redding); VEDiT (A. Schulte-Mäter); TOLGS (I. Wurzer); TAKTKIN (Birner-Janusch); Dyspraxia Programma (NL 1993, German adaptation).

Associations and comorbidities

As with dyspraxia in general, VED is often associated with other disorders, or they are more common. Such are z. B.

literature

  • Position Statement of the American Speech-Language-Hearing Association (ASHA): Childhood Apraxia of Speech. 2007. ( asha.org ( Memento from September 1, 2014 in the web archive archive.today ))
  • A. Schulte-Mäter: VED - Verbale Entwicklungsdyspraxie; RATGEBER, Schulz-Kirchner-Verlag, 2016
  • A. Schulte-Mäter: Verbal developmental dyspraxia . An analysis of the current state of knowledge. Peter Lang Verlag, Frankfurt 1996.
  • A. Schulte-Mäter: Verbal developmental dyspraxia . In: M. Grohnfeldt (Ed.): Textbook of speech therapy and speech therapy. Volume 2: Appearances and disorders. Kohlhammer, Stuttgart 2001, pp. 254-261.
  • A. Schulte-Mäter: Verbal developmental dyspraxia . In: M. Grohnfeldt (Ed.): Textbook of speech therapy and speech therapy. Volume 4: Counseling, Therapy and Rehabilitation. Kohlhammer, Stuttgart 2003, pp. 296-302.
  • A. Schulte-Mäter, W. Ziegler: Speech apraxia. In: M. Grohnfeldt (Ed.): Textbook of speech therapy and speech therapy. Volume 3: Diagnostics, Prevention and Evaluation. 2nd, revised edition. Kohlhammer, Stuttgart 2009, p. 291 ff.
  • A. Schulte-Mäter: Verbal developmental dyspraxia . In: J. Siegmüller, H. Bartels (Ed.): Guide language; Speak, voice, swallow. Elsevier, Munich 2006, pp. 119–122.
  • A. Schulte-Mäter: Verbal developmental dyspraxia . In: M. Grohnfeldt (Hrsg.): Lexicon of speech therapy. Kohlhammer, Stuttgart 2007, pp. 364-365.
  • A. Schulte-Mäter: Verbal developmental dyspraxia . In: H. Schöler, A. Welling (Ed.): Special education in language. Volume 1 Handbook Special Education. Hogrefe Publishing House, 2007.
  • N. Lauer, B. Birner-Janusch: Speech apraxia in childhood and adulthood. Thieme, Stuttgart 2007.
  • I. Wurzer: The main therapy guide TOLGS children's speech therapy. Logofin-Verlag, 2007.

Individual evidence

  1. ↑ FM Dannenbauer: Verbal development dyspraxia (VED) - a still little understood developmental disorder of children's speech ( Memento from September 5, 2005 in the Internet Archive ) . (PDF file; 280 kB)
  2. ↑ MI Grigos, N. Kolenda: The relationship between articulatory control and improved phonemic accuracy in childhood apraxia of speech: a longitudinal case study. In: Clinical linguistics & phonetics. Volume 24, number 1, January 2010, pp. 17-40, doi: 10.3109 / 02699200903329793 . PMID 20030551 , PMC 2891028 (free full text).
  3. ↑ A. Schulte-Mäter: Verbal Entwicklungsdyspraxie. In: M. Grohnfeldt (Ed.): Textbook of speech therapy and speech therapy. Volume 2: Appearances and disorders. Kohlhammer, Stuttgart 2001, pp. 254-261.
  4. ↑ Philippe Grandjean, Philip J. Landrigan: Neurobehavioral Effects of Developmental Toxicity. In: The Lancet Neurology. Vol. 13, No. 3, March 2014, pp. 330–338 PMC 4418502 (free full text).
  5. ^ DF Newbury, AP Monaco: Genetic advances in the study of speech and language disorders. In: Neuron. Volume 68, number 2, October 2010, pp. 309-320, doi: 10.1016 / j.neuron.2010.10.001 . PMID 20955937 . PMC 2977079 (free full text). (Review).
  6. ↑ LD Shriberg, NL Potter, EA Strand: Prevalence and phenotype of childhood apraxia of speech in youth with galactosemia. In: JSLHR. Volume 54, Number 2, April 2011, pp. 487-519, doi : 10.1044 / 1092-4388 (2010 / 10-0068) PMID 20966389 . PMC 3070858 (free full text).
  7. ^ AT Morgan, AP Vogel: Intervention for childhood apraxia of speech. In: Cochrane Database Syst Rev. 2008 Jul 16; (3), S. CD006278. PMID 18646142
  8. ↑ A. Schulte-Mäter: Verbal Entwicklungsdyspraxie. In: M. Grohnfeldt (Ed.): Textbook of speech therapy and speech therapy. Volume 4: Counseling, Therapy and Rehabilitation. Kohlhammer, Stuttgart 2003, pp. 296-302.