verbal apraxia

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Related to verbal apraxia: childhood apraxia of speech

ver·bal a·prax·i·a

a speech disorder in which phonemic substitutions are constantly used for the desired syllable or word.
Farlex Partner Medical Dictionary © Farlex 2012


1. A disorder of voluntary movement, consisting of impairment in the performance of skilled or purposeful movements, notwithstanding the preservation of comprehension, muscular power, sensibility, and coordination in general; due to congenital or acquired cerebral disease.
2. A psychomotor defect in which the proper use of an object cannot be carried out although the object can be named and its uses described correctly.
[G. a- priv. + prattō, to do]

aprax·i·a of speech

(ă-prak'sē-ă spēch)
Speech disorder due to cortical sensorimotor damage that impairs the ability to program speech musculature for volitional production of sequenced phonemes. Often accompanies motor aphasia.
See: apraxia, oral apraxia, developmental apraxia of speech
Synonym(s): articulatory apraxia, dyspraxia of speech, verbal apraxia, verbal dyspraxia.

de·vel·op·men·tal a·prax·i·a of speech

(DAS) (dĕ-vel'ŏp-men'tăl ă-prak'sē-ă spēch)
Severe articulatory disturbance in childhood characterized by multiple and inconsistent errors in production of voluntary sequences of phonemes, but not due to weakness or spasticity of speech musculature (i.e., not dysarthria).
Synonym(s): childhood apraxia, developmental dyspraxia of speech.

or·al a·prax·i·a

(ōr'ăl ă-praks'ē-ă)
Reduced ability, due to cortical sensorimotor damage, to perform voluntary movements of the oral musculature, especially sequenced movements. Often occurs with apraxia of speech.
See also: apraxia
Synonym(s): oral motor apraxia.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

verbal apraxia

The inability to form words or speak, despite the ability to use oral and facial muscles to make sounds.
See also: apraxia
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
The construction of "speech praxis" was made using variations with the associations: "oral facial praxis" OR "motor speech disorders" OR "speech praxis" OR "apraxia of speech" OR "developmental motor speech disorders" OR " developmental dyspraxia "OR" developmental verbal apraxia ".
The results revealed that subjects with verbal apraxia obtained worse results when they had to imitate movements or when they were asked to perform movements upon command, but such difference did not occur in the utilization of various tools.
Leonard, 32, has developed verbal apraxia, the rarest form of an illness called aphasia and usually seen in stroke victims.
The use of music therapy to address speech disorders in a variety of paediatric populations includes hearing impairment (Darrow & Starmer, 1986 and Leung 1985), articulation disorders (Ogden, 1982) and developmental verbal apraxia (Krauss and Galloway, 1982).
Verbal apraxia is defined as an impairment of a child's ability to plan and execute voluntary movements of speech.