| A cortically blind patient with preserved visual imagery. | |
| | |
MedLine Citation:
|
PMID: 20299863 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
|
BACKGROUND/OBJECTIVE: The loss or preservation of visual imagery in patients with cortical blindness may be helpful in resolving the controversial roles assigned by some researchers to the early visual cortex during the process of visual imagery. PATIENT AND METHODS: Here we report a patient with complete permanent cortical blindness coupled with denial of the blindness (Anton syndrome) as a result of bilateral occipital infarction. RESULTS: Interestingly, the patient's ability to visualize objects, color, and spatial imagery was preserved, although cerebral computed tomography, magnetic resonance imaging, and positron emission tomography scans detected what was likely complete bilateral damage to the primary visual cortex. CONCLUSIONS: Our findings may support the hypothesis that the primary visual cortex, in which retinal spatial geometry is preserved, is not critical for visual imagery. |
| | |
Authors:
|
Stefano Zago; Stefania Corti; Anna Bersano; Pierluigi Baron; Giancarlo Conti; Elena Ballabio; Silvia Lanfranconi; Claudia Cinnante; Antonella Costa; Alberto Cappellari; Nereo Bresolin |
Related Documents
:
|
12805293 - Coexpression of two visual pigments in a photoreceptor causes an abnormally broad spect... 16431023 - Long-term enhanced desynchronization of the alpha rhythm following tetanic stimulation ... 8069693 - Nadph-diaphorase histochemistry provides evidence for a bilateral, somatotopically inap... |
Publication Detail:
|
Type: Case Reports; Journal Article |
Journal Detail:
|
Title: Cognitive and behavioral neurology : official journal of the Society for Behavioral and Cognitive Neurology Volume: 23 ISSN: 1543-3641 ISO Abbreviation: Cogn Behav Neurol Publication Date: 2010 Mar |
Date Detail:
|
Created Date: 2010-03-19 Completed Date: 2010-06-23 Revised Date: - |
Medline Journal Info:
|
Nlm Unique ID: 101167278 Medline TA: Cogn Behav Neurol Country: United States |
Other Details:
|
Languages: eng Pagination: 44-8 Citation Subset: IM |
Affiliation:
|
Dipartimento di Scienze Neurologiche, Universit? di Milano, Fondazione IRCCS Ospedale Maggiore Policlinico, Mangiagalli e Regina Elena, 20122 Milano, Italy. stefano.zago@unimi.it |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
Aged, 80 and over Blindness, Cortical / diagnosis, physiopathology* Cerebral Infarction / diagnosis Humans Imagination* Magnetic Resonance Imaging Male Occipital Lobe / blood supply, pathology, radiography Severity of Illness Index Tomography, X-Ray Computed Visual Perception* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Fragile X Dementia Parkinsonism Syndrome (FXDPS).
Next Document: The amnesic syndrome of primary whipple disease of the brain.