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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
Expressive language disorder is one of the "specific developmental disorders of speech and language" recognized by the tenth edition of the International Classification of Diseases (ICD-10). As of the eleventh edition (ICD-11, current 1 January 2022), it is considered to be covered by the various categories of developmental language disorder ...
The DSM-5 and the ICD-10 are both used to make specific diagnostic decisions. Speech and language disorders commonly include communication issues, but also extend into various areas such as oral-motor function—sucking, swallowing, drinking, or eating. In some cases, a child's communication is delayed considerably behind his/her same-aged peers.
ICD-10 is the 10th revision of the International Classification of Diseases (ICD), a medical classification list by the World Health Organization (WHO). It contains codes for diseases, signs and symptoms, abnormal findings, complaints, social circumstances, and external causes of injury or diseases. [1]
Tongue thrusting and speech problems may co-occur. Due to unconventional postures of the tongue and other articulators, interdental and frontal lisping are very common. The alveolar sounds /s/ and /z/ are produced more anteriorly thus leading to interdental fricative like sounds, /th/. [4]
Speech disorders affect roughly 11.5% of the US population, and 5% of the primary school population. [5] Speech is a complex process that requires precise timing, nerve and muscle control, and as a result is susceptible to impairments. A person who has a stroke, an accident or birth defect may have speech and language problems. [6]
Speech generally includes important content words but leaves out function words that have more grammatical significance than physical meaning, such as prepositions and articles. [3] This is known as "telegraphic speech". The person's intended message may still be understood, but their sentence will not be grammatically correct.
[10] [11] Children with mixed receptive-expressive language disorder are often likely to have long-term implications for language development, literacy, behavior, social development, and even mental health problems. [6] If suspected of having a mixed receptive-expressive language disorder, treatment is available from a speech therapist or ...