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A communication disorder is any disorder that affects an individual's ability to comprehend, detect, or apply language and speech to engage in dialogue effectively with others. [1] This also encompasses deficiencies in verbal and non-verbal communication styles. [ 2 ]
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]
By the definition of apraxia, AOS affects volitional (willful or purposeful) movement pattern. However, AOS usually also affects automatic speech. [1] People with AOS have difficulty connecting speech messages from the brain to the mouth. [2] AOS is a loss of prior speech ability resulting from a brain injury such as a stroke or progressive ...
Another source has estimated that communication disorders—a larger category, which also includes hearing disorders—affect one of every 10 people in the United States. [ 13 ] ASHA has cited that 24.1% of children in school in the fall of 2003 received services for speech or language disorders—this amounts to a total of 1,460,583 children ...
Aphasia, also known as dysphasia, [a] is an impairment in a person’s ability to comprehend or formulate language because of damage to specific brain regions. [2] The major causes are stroke and head trauma; prevalence is hard to determine, but aphasia due to stroke is estimated to be 0.1–0.4% in developed countries. [3]
Speech Spoken communication. Speech disorder Any defect or abnormality that prevents an individual from communicating by means of spoken words. Speech disorders may develop from nerve injury to the brain, muscular paralysis, structural defects, hysteria, or mental retardation. Speech processor
Augmentative and Alternative Communication (AAC) refers to a set of tools and strategies that support or replace verbal communication for individuals with communication disorders, such as Broca's aphasia or other conditions that affect speech and language abilities.
Dysarthria is a speech sound disorder resulting from neurological injury of the motor component of the motor–speech system [1] and is characterized by poor articulation of phonemes. [2] It is a condition in which problems effectively occur with the muscles that help produce speech, often making it very difficult to pronounce words.