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A lisp is a speech impairment in which a person misarticulates sibilants (, , , , , , , ). [1] These misarticulations often result in unclear speech in languages with phonemic sibilants. Types
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.
The frontal speech regions of the brain have been shown to participate in speech sound perception. [ 5 ] Broca's Area is today still considered an important language center, playing a central role in processing syntax, grammar, and sentence structure.
Language can be vocalized as in speech, or manual as in sign. [1] Human language capacity is represented in the brain. Even though human language capacity is finite, one can say and understand an infinite number of sentences, which is based on a syntactic principle called recursion. Evidence suggests that every individual has three recursive ...
In the last two decades, significant advances occurred in our understanding of the neural processing of sounds in primates. Initially by recording of neural activity in the auditory cortices of monkeys [18] [19] and later elaborated via histological staining [20] [21] [22] and fMRI scanning studies, [23] 3 auditory fields were identified in the primary auditory cortex, and 9 associative ...
Interventions are more effective when they occur individually at first, and between three and five times per week. With improvements, children with apraxia may be transitioned into group therapy settings. Therapeutic exercises must focus on planning, sequencing, and coordinating the muscle movements involved in speech production.
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Patients with lesions in Broca's area who exhibit agrammatical speech production also show inability to use syntactic information to determine the meaning of sentences. [13] Also, a number of neuroimaging studies have implicated an involvement of Broca's area, particularly of the pars opercularis of the left inferior frontal gyrus , during the ...