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Related to agnosia: visual agnosia, anosognosia, Finger agnosia


Loss of the ability to interpret sensory stimuli, such as sounds or images.

[Greek agnōsiā, ignorance : a-, without; see a-1 + gnōsis, knowledge (from gignōskein, to know; see gnō- in Indo-European roots).]


(Psychology) psychol loss or diminution of the power to recognize familiar objects or people, usually as a result of brain damage
[C20: New Latin, from Greek agnōsia, from a- without + gnōsis knowledge]
agˈnosic adj


(ægˈnoʊ ʒə, -ʒi ə, -zi ə)

n. Psychiatry.
partial or total inability to recognize objects by use of the senses.
[1895–1900; < Greek agnōsía ignorance =ágnōt(os) unknown (see agnostic) + -ia -y3]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.agnosia - inability to recognize objects by use of the sensesagnosia - inability to recognize objects by use of the senses
astereognosis, tactile agnosia - a loss of the ability to recognize objects by handling them
brain disease, brain disorder, encephalopathy - any disorder or disease of the brain
auditory agnosia - inability to recognize or understand the meaning of spoken words
visual agnosia - inability to recognize or interpret objects in the visual field


n. agnosia, desorden o incapacidad debido a una lesión cerebral por la cual una persona pierde total o parcialmente el uso de los sentidos y no reconoce a personas u objetos familiares;
visual ______visual.
References in periodicals archive ?
We have visual agnosia, not seeing what's right in front of us.
A case study in visual agnosia revisited; to see but not to see, 2d ed.
This agnosia, ancient Greek for ignorance, makes a Google short trade irresistible to me.
26) Cortical injury causes additional sensory deficits, including colour agnosia (the inability to remember colour names), coloured hallucinations (phosphenes), photopsia, migrainous 'fortification spectra' or episodes of chromatopsia in which the environment appears suffused in a single colour.
agnosia (failure to recognise or identify objects despite intact sensory function) d.
For instance, McMullen et al, (2000) documented cases in which neurological patients had intact face recognition but found to have non-face object agnosia.
While AD is characterised by memory impairment, VaD is characterised by executive dysfunction and behavioural psychological symptoms such as apathy, lack of motivation, agnosia, opposition, anxiety, depression and suicidal thoughts.
Given the distribution of the cortical abnormalities, salient clinical characteristics of these disorders include profound alterations in personality and social conduct, agnosia, and impulsivity.
Now neuroscientists from Carnegie Mellon University and Princeton University examined the brain of a person with object agnosia, a deficit in the ability to recognize objects that does not include damage to the eyes or a general loss in intelligence, and have uncovered the neural mechanisms of object recognition.
Joanna Parts (Barbara Goenaga) suffers from rare condition called agnosia, which means her brain can't interpret the stimuli from her eyes and ears.