1. NINDS Agnosia Information Page agnosia information page compiled by the National Institute of Neurological Disorders and Stroke (NINDS). NINDS agnosia Information Page Reviewed 225-2003 http://www.ninds.nih.gov/health_and_medical/disorders/agnosia.htm

National Institute of Neurological Disorders and Stroke Accessible version Science for the Brain The nation's leading supporter of biomedical research on disorders of the brain and nervous system Browse all disorders Browse all health organizations More about Agnosia Studies with patients Research literature Press releases Search NINDS... (help) Contact us My privacy NINDS is part of the National Institutes of Health NINDS Agnosia Information Page Reviewed 2-25-2003 Get Web page suited for printing Email this to a friend or colleague Table of Contents (click to jump to sections) What is Agnosia? Is there any treatment? What is the prognosis? What research is being done? ... Organizations What is Agnosia? Agnosia is a rare disorder characterized by an inability to recognize and identify objects or persons despite having knowledge of the characteristics of the objects or persons. People with agnosia may have difficulty recognizing the geometric features of an object or face or may be able to perceive the geometric features but not know what the object is used for or whether a face is familiar or not. Agnosia can be limited to one sensory modality such as vision or hearing. For example, a person may have difficulty in recognizing an object as a cup or identifying a sound as a cough. Agnosia can result from strokes, dementia, or other neurological disorders. It typically results from damage to specific brain areas in the occipital or parietal lobes of the brain. People with agnosia may retain their cognitive abilities in other areas.

2. Visual Agnosia List of features for this disorder. http://www.stir.ac.uk/departments/humansciences/psychology/Postgrads/pgm1/Net_Pr

Visual Agnosia Apperceptive Visual Agnosia Cannot recognise by shape Cannot copy drawings Often involves ‘Prosopagnosia’ Associative Visual Agnosia Can copy but unaware what it is Difficulty in transferring visual info to verbal mechanisms Copy Draw Paul Graham Morris Previous slide Next slide Back to first slide View graphic version

3. ::agnosia Records:: http://www.agnosia.com/

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4. Agnosia Website Frontpage. agnosia and Related Terms. agnosia, APHASIA, APRAXIA and Related Terms for Cognitive, Behavioral and Neurological Disorders. These terms describe altered states that are associated http://spot.colorado.edu/~dubin/talks/agnosia.html

Professor Mark Dubin - University of Colorado Website Frontpage Agnosia and Related Terms AGNOSIA, APHASIA, APRAXIA and Related Terms for Cognitive, Behavioral and Neurological Disorders These terms describe altered states that are associated with brain injury ( e.g ., trauma, stroke, tumor) or with developmental deficits. Although the list deals with primarily CNS-associated disorders, in some cases the term does not distinguish between a CNS cause or a peripheral or neuromuscular cause. Terms that are primarily psychiatric diagnoses ( e.g ., schizophrenia) are not included. AGNOSIA is a general term for a loss of ability to recognize objects, people, sounds, shapes, or smells; that is, the inability to attach appropriate meaning to objective sense-data. It usually is used when the primary sense organ involved is not impaired. APHASIA is a general term relating to a loss of language ability. APRAXIA is a general term for disorders of practice. These conditions are usually caused by brain injury due to trauma, stroke and/or tumor. Many of these terms have two synonymous forms that differ in whether the word starts with a- or with dys- such as a lexia and dys lexia. Here the

5. Agnosia agnosia. When a person can perceive the basic elements of a familiar object or experience, but can not recognize them. http://www.psyweb.com/Glossary/agnosia.html

6. BehaveNet® Clinical Capsule™: Agnosia psychopathology agnosia. Impaired ability to recognize, for example prosopagnosia. http://www.behavenet.com/capsules/path/agnosia.htm

BehaveNet psychopathology: agnosia Impaired ability to recognize, for example prosopagnosia http://www.behavenet.com/capsules Request New Term BehaveNet®

7. Your Search: processing requests NINDS agnosia Information Page disorders Browse all health organizations More about agnosia Studies with patients Research literature Press releases http://www.i-une.com/cgi-bin/meta/search.cgi?lang=en&keywords=Agnosia

8. Visual Agnosia First Previous Next Last Index Home Text. Slide 17 of 24. http://www.stir.ac.uk/postgrads/psychology/pgm1/Net_Presentation/sld017.htm

9. Visual agnosia (from the Greek word for lack of knowledge ) means the inability to recognize objects when using a given sense, even though that sense is basically http://ahsmail.uwaterloo.ca/kin356/agnosia/agnosia.htm

"Agnosia (from the Greek word for "lack of knowledge") means the inability to recognize objects when using a given sense, even though that sense is basically intact." (Nolte, 1999) The part of the brain which is usually damage in patients with object agnosia is usually the occipital the red area) or inferotemporal cortex (the yellow area) Date created: March 25, 2001

10. Agnosia In Detail Forms of agnosia. There are basically three different forms of visual agnosia, one where the person has difficultly recognizing objects http://ahsmail.uwaterloo.ca/kin356/agnosia/agnosia_in_detail.htm

Forms of Agnosia There are basically three different forms of visual agnosia, one where the person has difficultly recognizing objects (e.g. D.F. and Dr. P. ), one where the person has difficulty recognizing faces (e.g. the man who mistook his wife for a hat, Dr. P. ) and one where the person has difficulty recognizing words (e.g. D.F. A person with object agnosia, "for example, would be unable to recognize common objects by sight, even though the visual fields were perfectly intact and even though the ability to recognize the same objects using other senses (such as hearing or touch) might be intact." (Nolte, 1999) Visual Streams Affected Agnosia is manifested as a disorder of the ventral stream, which is used to identify objects and perceive allocentric space (where objects are located with respect to other objects). The dorsal stream remains intact, this stream is involved in the control of movement and the perception of egocentric space (where objects are with respect to the perceivers position).

11. Agnosia - General Index It's a matter of days now, 'till the new server will be open. No More Geocities .. and that shit. Keep on movin' agnosiaCrew. All Rights Reserved , agnosia , 2000 (c) - http://www.geocities.com/d_agnosia/general.htm

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12. Visual agnosia (from the Greek word for "lack of knowledge") means the inability to. recognize objects when using a given sense, even though that sense is. basically intact." ( Nolte, 1999) which is usually damage in patients with object agnosia is usually the occipital the red area) or http://www.undergrad.ahs.uwaterloo.ca/kin356/agnosia/agnosia.htm

"Agnosia (from the Greek word for "lack of knowledge") means the inability to recognize objects when using a given sense, even though that sense is basically intact." (Nolte, 1999) The part of the brain which is usually damage in patients with object agnosia is usually the occipital the red area) or inferotemporal cortex (the yellow area) Date created: March 25, 2001

13. AGNOSIA 1 - THE GENERAL SYNDROME agnosia 1 THE GENERAL SYNDROME. 2/1/01. Click here to start. Table of Contents. agnosia 1 - THE GENERAL SYNDROME. PHYSIOLOGY OF VISION. PPT Slide. http://www.staffs.ac.uk/schools/sciences/psychology/coursematerials/neuropsych/a

AGNOSIA 1 - THE GENERAL SYNDROME Click here to start Table of Contents AGNOSIA 1 - THE GENERAL SYNDROME PHYSIOLOGY OF VISION PPT Slide PHYSIOLOGY OF VISION ... TOPOGRAPHICAL AGNOSIA Author: Kevin Silber Download presentation source Return to the Neuropsychology Front Page

14. Neurologic Manifestations Contents agnosia Amnesia - Aphasia - Apraxias - Back Pain Definitions of agnosia and Related Terms M Dubin - Univ of Colorado http://www.mic.ki.se/Diseases/c10.597.html

search search staff sitemap ABOUT KAROLINSKA INSTITUTET ... print this page Diseases and Disorders Links pertaining to Neurologic Manifestations Alert! Patients and laypersons looking for guidance among the target sources of this collection of links are strongly advised to review the information retrieved with their professional health care provider. Start Page Contents: Agnosia Amnesia Aphasia Apraxias ... Vertigo Cerebellar Ataxia Classification of Ataxias - Washington U./School of Med. (US) Hereditary Ataxia Overview - GeneTests The US National Ataxia Foundation - Minneapolis European Federation of Hereditary Ataxias Int'l Network of Ataxia Friends De ADCA-Vereniging Nederland [cerebellar atrophy/ataxia syndrome] - (NL) About Episodic Ataxia [Mark ? ] Chorea Sydenham's Chorea (St. Vitus' Dance, Rheumatic Chorea) - Adam, via MedlinePlus The legend about Vitus - Catholic Online Saints Tardive Dyskinesia (not on MeSH) About Tardive Dyskinesia [JR Brasic] - eMedicine Tardive Dyskinesia [B Alexander] - Virtual Hoispital Dystonia Dystonia Dialogue , and about

15. AGNOSIA 1 - THE GENERAL SYNDROME Slide 1 of 41. http://www.staffs.ac.uk/schools/sciences/psychology/coursematerials/neuropsych/a

16. AGNOSIA - Meaning And Definition Of The Word Search Dictionary agnosia Dictionary Entry and Meaning. Pronunciation ag nowzhu. WordNet Dictionary. http://www.hyperdictionary.com/dictionary/agnosia

English Dictionary Computer Dictionary Thesaurus Dream Dictionary ... Medical Dictionary Search Dictionary: AGNOSIA: Dictionary Entry and Meaning Pronunciation: ag'nowzhu WordNet Dictionary Definition: [n] inability to recognize objects ... senses See Also: brain disease brain disorder encephalopathy Medical Dictionary Definition: Loss of ability to interpret stimuli, usually classified according to the sense or senses affected. Biology Dictionary Definition: The loss of the ability to recognize objects, people, sounds, shapes, or smells. HOME ABOUT HYPERDICTIONARY

17. AGNOSIA - Meaning And Definition Of The Word Search Dictionary agnosia Dictionary Entry and Meaning. Pronunciation ag nowzhu. Medical Dictionary. Definition Loss of ability http://www.hyperdictionary.com/medical/agnosia

English Dictionary Computer Dictionary Thesaurus Dream Dictionary ... Medical Dictionary Search Dictionary: AGNOSIA: Dictionary Entry and Meaning Pronunciation: ag'nowzhu Medical Dictionary Definition: Loss of ability to interpret stimuli, usually classified according to the sense or senses affected. HOME ABOUT HYPERDICTIONARY

18. Agnosia agnosia. Neuro term. 3. In agnosia, while perception itself (ie, feeling a coin s shape or hearing a door slam) is normal, recognition of objects is not. http://members.aol.com/nonverbal2/agnosia.htm

AGNOSIA Neuro term The inability to recognize a coin, key, or other object merely by its feel, e.g., when held in the hand. The inability to recognize a door, e.g., by the sound of its slamming or from its photograph alone. In agnosia, while perception itself (i.e., feeling a coin's shape or hearing a door slam) is normal, recognition of objects is not. Usage : Studies of agnosia reveal how the brain processes nonverbal gestures, objects, and sensations apart from speech or words . Though very vocal, human beings still spend a great deal of their lives in Nonverbal World Stereognosis : The tactile ability to recognize objects placed in the hand. ( Graphesthesia is the tactile ability to recognize figures drawn on the skin.) Neuro-notes Inability to recognize a coin by the sound of its dropping suggests problems with the auditory association areas of the temporal lobe. Inability to recognize a coin held in the hand suggests problems with the tactile association areas of the parietal lobe. Inability to recognize a coin by its photograph suggests problems with the visual association areas of the occipital lobe. These nonverbal brain modules exist independently of the cortical modules used to recognize and produce speech sounds.

19. Review Of Martha Farah, Visual Agnosia Review of Martha Farah, Visual agnosia. Philosophical Psychology, 7(1), 1994, 12629. Common sense says that visual agnosia is impossible. It ought not exist. http://www.ucc.uconn.edu/~wwwphil/freview.html

Review of Martha Farah, Visual Agnosia Philosophical Psychology, 7(1), 1994, 126-29 Martha Farah, Visual Agnosia: Disorders of Object Recognition and What They Tell Us about Normal Vision (MIT Press, Bradford Books, 1990). Austen Clark Department of Philosophy U-54 University of Connecticut Storrs, CT 06269-2054 Martha Farah has cast considerable light into the darkness with her book Visual Agnosia: Disorders of Object Recognition and What They Tell Us about Normal Vision (MIT Press, Bradford Books, 1990. Page references to that volume.) This is, literally, a wonderful book: filled with perceptions of things marvellous and (apparently) inexplicable. It is invigorating to see how steadfast empiricism and contemporary cognitive neuroscience can clear up parts of the mystery. Aside from the intrinsic interest of the subject matter, the book provides a case-study of how cognitive neuroscientists can successfully go about their business. After cleaning up taxonomy, the second step to clarity is to discard the common sense model of visual recognition as a process of matching sensory inputs directly to concepts. The interpretive chapters in Visual Agnosia There are some loose ends. It is unclear what it means to say simultanagnosics can perceive just "one object" at a time. It is unsettling to find that dorsal simultanagnosics can perceive the shape of one object, and spatial relations among parts of one object, but not spatial relations among several objects. Some clinical syndromes remain paradoxical even after one absorbs the idea of "higher level" visual representations. Optic aphasia is the prime example. Patients specifically lack the ability to

20. Introduction Agnosia - WrongDiagnosis.com Introduction to agnosia as a medical condition including symptoms, diagnosis, misdiagnosis, treatment, prevention, and prognosis. Introduction agnosia. http://www.wrongdiagnosis.com/a/agnosia/intro.htm

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