11 Facts About Auditory agnosia


Auditory agnosia is a form of agnosia that manifests itself primarily in the inability to recognize or differentiate between sounds.

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All auditory agnosia patients read lips in order to enhance the speech comprehension.

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Typically, a person with auditory agnosia would be incapable of comprehending spoken language as well as environmental sounds.

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Nonverbal auditory agnosia is diagnosed when a person's understanding of environmental sounds is inhibited.

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Auditory agnosia attributed both aphasia and auditory agnosia to damage in Lichtheim's auditory word center.

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Auditory agnosia hypothesized that aphasia is the outcome of partial damage to the left auditory word center, whereas auditory agnosia is the result of complete damage to the same area.

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Lichtheim proposed that auditory agnosia is the result of damage to a brain area dedicated to the perception of spoken words, and consequently renamed this disorder from 'word deafness' to 'pure word deafness'.

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Term auditory agnosia was originally coined by Freud to describe patients with selective impairment of environmental sounds.

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In contrast, to patients with pure word deafness and general auditory agnosia, patients with non-verbal auditory agnosia were reported impaired at discriminating long gaps between click sounds, but impaired at short gaps.

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Auditory agnosia patients are often impaired in the discrimination of all sounds, including music.

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Auditory agnosia is strongly dependent on damage to both hemispheres.

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