Article ; Online: What Cognitive Neurology Teaches Us about Our Experience of Color.
The Neuroscientist : a review journal bringing neurobiology, neurology and psychiatry
2019 Volume 26, Issue 3, Page(s) 252–265
Abstract: Color provides valuable information about the environment, yet the exact mechanisms explaining how colors appear to us remain poorly understood. Retinal signals are processed in the visual cortex through high-level mechanisms that link color perception ... ...
Abstract | Color provides valuable information about the environment, yet the exact mechanisms explaining how colors appear to us remain poorly understood. Retinal signals are processed in the visual cortex through high-level mechanisms that link color perception with top-down expectations and knowledge. Here, we review the neuroimaging evidence about color processing in the brain, and how it is affected by acquired brain lesions in humans. Evidence from patients with brain-damage suggests that high-level color processing may be divided into at least three modules: perceptual color experience, color naming, and color knowledge. These modules appear to be functionally independent but richly interconnected, and serve as cortical relays linking sensory and semantic information, with the final goal of directing object-related behavior. We argue that the relations between colors and their objects are key mechanisms to understand high-level color processing. |
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MeSH term(s) | Agnosia/pathology ; Agnosia/physiopathology ; Anomia/pathology ; Anomia/physiopathology ; Cerebral Cortex/pathology ; Cerebral Cortex/physiopathology ; Color Perception/physiology ; Color Vision Defects/pathology ; Color Vision Defects/physiopathology ; Humans ; Visual Pathways/pathology ; Visual Pathways/physiopathology |
Language | English |
Publishing date | 2019-11-06 |
Publishing country | United States |
Document type | Journal Article ; Research Support, Non-U.S. Gov't ; Review |
ZDB-ID | 1233753-5 |
ISSN | 1089-4098 ; 1073-8584 |
ISSN (online) | 1089-4098 |
ISSN | 1073-8584 |
DOI | 10.1177/1073858419882621 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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