Agnosia (also known as Agnosias, Auditory Agnosia): Loss of the ability to comprehend the meaning or recognize the importance of various forms of stimulation that cannot be attributed to impairment of a primary sensory modality. Tactile agnosia is characterized by an inability to perceive the shape and nature of an obj

NIH MeSH · D000377Diseases

Agnosia

Also known asAgnosias · Auditory Agnosia · Agnosia, Auditory · Agnosias, Auditory · Auditory Agnosias · Finger Agnosia · Agnosia, Finger · Agnosias, Finger · Finger Agnosias · Sensory Agnosia · Agnosia, Sensory · Agnosias, Sensory

Definition

Loss of the ability to comprehend the meaning or recognize the importance of various forms of stimulation that cannot be attributed to impairment of a primary sensory modality. Tactile agnosia is characterized by an inability to perceive the shape and nature of an object by touch alone, despite unimpaired sensation to light touch, position, and other primary sensory modalities.

MeSH classification

  • C10.597.606.762.100
  • C23.888.592.604.764.100
  • F01.700.750.100

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Related concepts

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Common questions about Agnosia

What does Agnosia mean in medicine?
Loss of the ability to comprehend the meaning or recognize the importance of various forms of stimulation that cannot be attributed to impairment of a primary sensory modality. Tactile agnosia is characterized by an inability to perceive the shape and nature of an object by touch alone, despite unimpaired sensation to light touch, position, and other primary sensory modalities. This definition is taken from the National Library of Medicine's MeSH (Medical Subject Headings) 2026 release, which is the standard vocabulary used to index PubMed and most medical literature.
Is Agnosia known by any other names?
Yes. Agnosia is also referred to as Agnosias, Auditory Agnosia, Agnosia, Auditory, Agnosias, Auditory in different clinical, research and patient-facing contexts. The MeSH descriptor groups all of these synonyms under a single canonical concept so research and records stay consistent.
Where does Agnosia sit in the medical classification?
Agnosia falls under the broader medical category "Diseases" in the MeSH hierarchy (tree numbers: C10.597.606.762.100, C23.888.592.604.764.100, F01.700.750.100). Browsing the related concepts on this page takes you to neighbouring topics in the same branch of medicine.
Where can I get a plain-language explanation of Agnosia?
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Source: NIH MeSH 2026 (D000377) — National Library of Medicine, public domain. View official MeSH record ↗