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It is yet unclear whether auditory agnosia (also called general auditory agnosia) is a combination of milder disorders, such auditory verbal agnosia (pure word deafness), non-verbal auditory agnosia, amusia and word-meaning deafness, or a mild case of the more severe disorder, cerebral deafness. Typically, a person with auditory agnosia would ...
Auditory processing disorder (APD) is a neurodevelopmental disorder affecting the way the brain processes sounds. [2] Individuals with APD usually have normal structure and function of the ear, but cannot process the information they hear in the same way as others do, which leads to difficulties in recognizing and interpreting sounds, especially the sounds composing speech.
Individuals with this disorder lose the ability to understand language, repeat words, and write from dictation. Some patients with AVA describe hearing spoken language as meaningless noise, often as though the person speaking was doing so in a foreign language. [1] However, spontaneous speaking, reading, and writing are preserved.
Auditory neuropathy a disorder of poor speech perception even though the tympanic membrane, middle ear structures, and cochlear nerve are intact. [29] [30] People with auditory neuropathy may have normal hearing or hearing loss ranging from mild to severe. Inherited disorders People with Down syndrome are more likely to have hearing loss. [31]
Between 1% and 2% of cases show an X-linked pattern of inheritance, which means the mutated gene responsible for the condition is located on the X chromosome. Males with X-linked nonsyndromic deafness tend to develop more severe hearing loss earlier in life than females who inherit a copy of the same gene mutation .
It is responsible for receiving signals from the medial geniculate nucleus. Within the primary auditory cortex, the auditosensory cortex extends posteromedially over the gyrus. [ 2 ] Brodmann area 42 is an auditory core region bordered medially by Brodmann area 41 and laterally by Brodmann area 22. [ 2 ]
A person with dysprosody would not be able to accurately convey emotion vocally, such as through pitch or melody, or make any conclusion about another person's feeling through his speech. [7] Regardless of the inability to vocally express feeling through prosodic controls, emotions are still formed and felt by the individual.
Profound unilateral hearing loss or single-sided deafness, SSD, makes hearing comprehension very difficult. With speech and background noise presented at the same level, persons with unilateral deafness were found to listen only about 30–35% of the conversation. [6] A person with SSD needs to make more effort when communicating with others. [7]