Copyright © Philip M. Parker, INSEAD. Terms of Use.
Definition: Agnosia |
AgnosiaNoun1. Inability to recognize objects by use of the senses. Source: WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved. |
| Domain | Definitions |
Health | 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. (references) |
Medicine | 2)total or partial loss of the perceptive faculty or of the ability to recognize or orientate objects or persons due to a disturbance in the cerebral associational areas. Source: European Union. (references) |
Source: compiled by the editor from various references; see credits. | |
(From Wikipedia, the free Encyclopedia)
Visual agnosia is associated with lesions of the left occipital lobe and temporal lobes. Many patients have a severe visual field defects.
Object Agnosia is inability to recognize objects. Subtypes: Form agnosia: Patients perceive only parts of details, not the whole object.
Simultagnosia: Patients recognize objects or details but only one at the time. They cannot make out the scene they belong to or make out a whole image out of the details. They literally cannot see the forest for the trees.
Associative Agnosia: Patients can describe visual scenes and classes of objects but still fail to recognize them. He may, for example, know that fork is something you eat with but may mistake it for a spoon.
Semantic Agnosia
Prosopagnosia: Patients cannot consciously recognize familiar faces, maybe including their own. They can describe the face and its expression but cannot recognize whose face it is. They still show bodily emotion to the face (your heart-throb still makes your heart throb). They may recognize a person through another cue, like familiar voice or clothing. It is especially likely after right temporal lobe damage.
Experts disagree about the causes of prosopagnosia. It may be object agnosia for specific faces, perception disorder in face perception system or syndrome that causes separation of perception of face and memories associated of the face.
Agnostic alexia: Inability to recognize text.
Color agnosia: There is a distinction between color perception versus color recognition. Central Achromatosia refers to deficiency in color perception
Auditory agnosia refers to similar symptoms with environmental, nonverbal auditory cues. This is separate from word deafness which is agnosia connected to auditory information. Receptive amusia is agnosia for music. Cortical deafness refers to people who do not respond to any auditory info but their hearing is intact.
Somatosensory Agnosia or Astereognosia is connected to tactile sense - that is, touch. Patient finds it difficult to recognize objects by touch based on its texture, size and weight. However, they may be able to describe it verbally or recognize same kind of objects from pictures or draw pictures of them. Thought to be connected to lesions or damage in somatosensory cortex.
Agnosia can result from strokes, dementia, or other neurological disorders. For all practical purposes, there is no direct cure. Patients may improve if information is presented in other modalities than the damaged one.
See also Aphasia, Apraxia.
This is hardly comprehensive text...
Source: adapted by the editor from Wikipedia, the free encyclopedia under a copyleft GNU Free Documentation License (GFDL) from the article "Agnosia."
Crosswords: Agnosia |
| Specialty definitions using "agnosia": visual agnosia. (references) |
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Source: compiled by the editor from various references; see credits. | |
| Subject | Topic | Quote |
Health | Agnosia can result from strokes, dementia, or other neurological disorders. (references) | |
The primary cause of the disorder should be determined in order to treat other problems that may contribute to or result in agnosia. (references) | ||
Children who have learned to read and write before the onset of auditory agnosia can often continue communicating through written language. (references) | ||
Source: compiled by the editor from ICON Group International, Inc.; see credits. | ||
Expression using "agnosia": visual agnosia. Additional references. | |
| Source: compiled by the editor from various references; see credits. |
| The following statistics estimate the number of searches per day across the major English-language search engines as identified by various trade publications. Hyperlinks lead to commercial use of the expression at Amazon.com. |
| Expression | Frequency per Day |
agnosia | 34 |
visual agnosia | 11 |
agnosia finger | 3 |
agnosia apraxia | 3 |
agnosia espacial | 2 |
agnosia auditory verbal | 2 |
agnosia auditory | 2 |
| Source: compiled by the editor from various references; see credits. | |
| Language | Translations for "agnosia"; alternative meanings/domain in parentheses. | ||||||||||||||||
Danish | agnosi. (various references) | ||||||||||||||||
Dutch | agnosie, agnosia. (various references) | ||||||||||||||||
French | agnosie. (various references) | ||||||||||||||||
German | agnostische Stoerungen, Agnosie. (various references) | ||||||||||||||||
Greek | αγνωσία. (various references) | ||||||||||||||||
Italian | agnosia. (various references) | ||||||||||||||||
Pig Latin | agnosiaay agnosia. (various references) agnosia, agnosi. (various references) | ||||||||||||||||
Derivations | |
Words beginning with "agnosia": agnosias. (additional references) | |
| Source: compiled by the editor, based on several corpora (additional references). | |
Scrabble® Enable2K-Verified Anagrams | |
| Words within the letters "a-a-g-i-n-o-s" | |
-2 letters: again, agios, agons, angas, anoas, gains, gonia, saiga, sanga. | |
-3 letters: agas, agin, agio, agon, ains, anas, anga, anis, anoa, ansa, gain, gins, goas, ions, nags, naoi, naos, nogs, saga, sago, sain, sang, sign, sing, snag, snog, song. | |
-4 letters: aas, aga, ago, ain, ais, ana, ani, gan, gas, gin, goa, gos, ins, ion, nag, nog, nos, ons, sag, sin, son. | |
-5 letters: aa, ag, ai, an, as, go, in, is, na, no, on, os, si, so. | |
| Words containing the letters "a-a-g-i-n-o-s" | |
+1 letter: agnosias, angiomas. | |
+2 letters: agnations, anagogies, analogies, analogist, anisogamy, ascogonia, diagonals, egomanias, kaoliangs, magnolias, nostalgia, sporangia. | |
+3 letters: agitations, analogists, analogizes, angiograms, antagonism, antagonist, aragonites, egomaniacs, gradations, hosannaing, indagators, mahoganies, navigators, nostalgias, organismal, sabotaging, sporangial, stagnation, vagotonias. | |
+4 letters: abnegations, aboriginals, abrogations, algolagnias, allegations, anagnorises, anagnorisis, anatomising, angiomatous, angioplasty, angulations, anisogamies, anisogamous, antagonisms, antagonists, antagonizes, arrogations, assignation, associating, bioassaying, castigation, diagnosable, divagations, farraginous, gasconading, gestational, glaciations, graduations, hemangiomas, indagations, jaguarondis, laborsaving, magnanimous, nasogastric, navigations, outbargains, paginations, sailboating, spermagonia, stagflation, stagnations, vagabondish, vagabondism, zabagliones. | |
+5 letters: aggradations, aggravations, aggregations, algolagniacs, alloantigens, anastomosing, antagonistic, apostatising, apostatizing, assignations, bastinadoing, boardsailing, broadcasting, caparisoning, castigations, coagulations, degradations, diagnoseable, diagnostical, diagonalizes, evaginations, gallinaceous, gasification, gastrulation, grandifloras, granulations, gratulations, gravitations, gynecomastia, imaginations, inaugurators, marathonings, marginations, megalomanias, menorrhagias, micromanages, organisation, propagandist, propagations, railroadings, sailboarding, sailboatings, scapegoating, stagflations, starboarding, sugarcoating, thingamabobs, vagabondisms, variegations, zoosporangia. | |
| Source: compiled by the editor from various references; see credits. SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. | |
Hexadecimal (or equivalents, 770AD-1900s) (references)41 67 6E 6F 73 69 61 |
| Leonardo da Vinci (1452-1519; backwards) (references)
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| American Sign Language (origins from 1620-1817 in Italy and, especially, France) (references)
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| Semaphore (1791, in France) (references)
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| Braille (1829, in France) (references)
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Morse Code (1836) (references).- --. -. --- ... .. .- |
| Dancing Men (Sir Arthur Conan Doyle, 1903) (references)
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Binary Code (1918-1938, probably earlier) (references)01000001 01100111 01101110 01101111 01110011 01101001 01100001 |
HTML Code (1990) (references)A g n o s i a |
ISO 10646 (1991-1993) (references)0041 0067 006E 006F 0073 0069 0061 |
| British Sign Language (Fingerspelling, BSL; 1992, British Deaf Association Dictionary of British Sign Language) (references)
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Encryption (beginner's substitution cypher): (references)35738081857567 |
| 1. Definition 2. Crosswords 3. Usage: Commercial 4. Quotations: Non-fiction | 5. Expressions 6. Expressions: Internet 7. Translations: Modern 8. Derivations | 9. Anagrams 10. Orthography 11. Bibliography |
Copyright © Philip M. Parker, INSEAD. Terms of Use.
