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Developmental verbal dyspraxia (DVD), also known as childhood apraxia of speech (CAS) and developmental apraxia of speech (DAS), [1] is a condition in which an individual has problems saying sounds, syllables and words. This is not because of muscle weakness or paralysis.
Developmental verbal dyspraxia (DVD), also known as childhood apraxia of speech (CAS) and developmental apraxia of speech (DAS), [3] [4] is an inability to utilize motor planning to perform movements necessary for speech during a child's language learning process. Although the causes differ between AOS and DVD, the main characteristics and ...
There are two types of Apraxia. Developmental (or Childhood Apraxia of speech) or acquired Apraxia. Childhood apraxia of speech (CAS) is a neurological childhood speech sound disorder that involves impaired precision and consistency of movements required for speech production without any neuromuscular deficits (ASHA, 2007a, Definitions of CAS section, para. 1).
Apraxia of speech (AOS) is having difficulty planning and coordinating the movements necessary for speech (e.g. potato=totapo, topato). [5] AOS can independently occur without issues in areas such as verbal comprehension, reading comprehension, writing, articulation, or prosody.
The term "protracted phonological development" is sometimes preferred when describing children's speech, to emphasize the continuing development while acknowledging the delay. A study in the United States estimated that amongst 6 year olds, 5.3% of African American children and 3.8% of White children have a speech sound disorder. [1]
Specific language impairment (SLI) is diagnosed when a child's language does not develop normally and the difficulties cannot be accounted for by generally slow development, physical abnormality of the speech apparatus, autism spectrum disorder, apraxia, acquired brain damage or hearing loss. Twin studies have shown that it is under genetic ...
Self-modeling techniques may also be helpful; for example, self-modeling video tapes, in which the child watches a video of him/herself performing the desired action, can be useful. If additional confounding speech problems exist, an SLP may work with the student to identify what factors are complicating speech production and what factors might ...
Dr. Mark Sundberg, later went on to author his Verbal Behavioral assessment called the VB-MAPP in 2008. [2] Another assessment tool for learning is the International Development and Early Learning Assessment. This tool is used to measure and compare a child's, usually between the ages of three and six years, behavioral development and learning ...