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Down syndrome or Down's syndrome, [12] also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. [3] It is usually associated with developmental delays, mild to moderate intellectual disability , and characteristic physical features.
Used of people with Down Syndrome. A Dutch profanity sometimes appearing in English as "downy" and generally considered derogatory [32] Dumb: Especially when preceded by "the" [17] [22] Dummy and dumb Used of people with mental disabilities, or more generally people perceived as stupid or ignorant.
Down syndrome is another example of a genetic causal factor that may result in speech and/or language impairments. Stuttering is a disorder that is hypothesized to have a strong genetic component as well. Some speech and language impairments have environmental causes.
Sensory processing disorder (SPD), formerly known as sensory integration dysfunction, is a condition in which multisensory input is not adequately processed in order to provide appropriate responses to the demands of the environment.
Misophonia (or selective sound sensitivity syndrome) is a disorder of decreased tolerance to specific sounds or their associated stimuli, or cues. These cues, known as "triggers", are experienced as unpleasant or distressing and tend to evoke strong negative emotional, physiological, and behavioral responses not seen in most other people. [ 8 ]
genetic disorders (e.g. Down syndrome) illness; environmental factors such as education (e.g. parents or teachers with similar disorders), limited exposure to language or specific speech models, or lack of opportunities for practice; Identifying the underlying cause is key to determining the appropriate intervention.
Absence of speech in children may involve communication disorders or language delays. Communication disorders or developmental language delays may occur for several different reasons. [18] [19] Language delays may be associated with other developmental delays. [20] For example, children with Down syndrome often have impaired language and speech ...
Dysprosody, which may manifest as pseudo-foreign accent syndrome, refers to a disorder in which one or more of the prosodic functions are either compromised or eliminated. [ 1 ] Prosody refers to the variations in melody, intonation , pauses, stresses, intensity, vocal quality, and accents of speech. [ 2 ]