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Someone who is unable to speak due to a speech disorder is considered mute. [2] Speech skills are vital to social relationships and learning, and delays or disorders that relate to developing these skills can impact individuals function. [3] For many children and adolescents, this can present as issues with academics. [4]
Selective mutism (SM) is an anxiety disorder in which a person who is otherwise capable of speech becomes unable to speak when exposed to specific situations, specific places, or to specific people, one or multiple of which serve as triggers. This is caused by the freeze response. Selective mutism usually co-exists with social anxiety disorder. [1]
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]
In human development, muteness or mutism [1] is defined as an absence of speech, with or without an ability to hear the speech of others. [2] Mutism is typically understood as a person's inability to speak, and commonly observed by their family members, caregivers, teachers, doctors or speech and language pathologists.
The person's intended message may still be understood, but their sentence will not be grammatically correct. In very severe forms of expressive aphasia, a person may only speak using single word utterances. [4] [5] Typically, comprehension is mildly to moderately impaired in expressive aphasia due to difficulty understanding complex grammar. [4 ...
Alexithymia, also called emotional blindness, [1] is a neuropsychological phenomenon characterized by significant challenges in recognizing, expressing, feeling, sourcing, [2] and describing one's emotions. [3] [4] [5] It is associated with difficulties in attachment and interpersonal relations. [6]
Despite an inability to comprehend speech, patients with auditory verbal agnosia typically retain the ability to hear and process non-speech auditory information, speak, read and write. This specificity suggests that there is a separation between speech perception, non-speech auditory processing, and central language processing. [ 2 ]
(sometimes called vestibular schwannoma). Also see Neurofibromatosis Type 2. Acquired deafness Loss of hearing that occurs or develops some time during the lifespan but is not present at birth. Alport syndrome Hereditary condition characterized by kidney disease, sensorineural hearing loss, and sometimes eye defects. American Sign Language (ASL)