Differential Diagnosis of Developmental Apraxia Developmental apraxia is a developmental speech disorder that has been characterized as a difficulty in programming of sequential movements based on presumed neurological differences. It is additionally defined by exclusion from functional speech disorder or delay (e.g., Shriberg, Aram & Kwiatkowski, 1997a; Stackhouse, 1992) using behavioral symptomatology. A variety ... Article
Article  |   October 01, 1998
Differential Diagnosis of Developmental Apraxia
Author Affiliations & Notes
  • Barbara L. Davis
    Department of Communication Sciences and disorders, The University of Texas at Austin, Austin, TX
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Articles
Article   |   October 01, 1998
Differential Diagnosis of Developmental Apraxia
SIG 1 Perspectives on Language Learning and Education, October 1998, Vol. 5, 4-7. doi:10.1044/lle5.2.4
SIG 1 Perspectives on Language Learning and Education, October 1998, Vol. 5, 4-7. doi:10.1044/lle5.2.4
Developmental apraxia is a developmental speech disorder that has been characterized as a difficulty in programming of sequential movements based on presumed neurological differences. It is additionally defined by exclusion from functional speech disorder or delay (e.g., Shriberg, Aram & Kwiatkowski, 1997a; Stackhouse, 1992) using behavioral symptomatology. A variety of terms have been utilized as descriptors including developmental apraxia of speech, developmental verbal dyspraxia, and developmental articulatory dyspraxia, reflecting varied views of causality. Present theoretical constructs for motivating understanding of developmental apraxia include views based on a motor based or pre-motor planning speech-output deficit (e.g., Hall, Jordon & Robin, 1993), a phonologically based deficit in representation (e.g., Aram & Nation, 1982; Velleman & Strand, 1993), or a deficit in neural tissue with organizational consequences (e.g., Crary, 1984; Sussman, 1988).
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