The representation of object concepts in the brain.

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by Alex Martin
Abstract:
Evidence from functional neuroimaging of the human brain indicates that information about salient properties of an object-such as what it looks like, how it moves, and how it is used-is stored in sensory and motor systems active when that information was acquired. As a result, object concepts belonging to different categories like animals and tools are represented in partially distinct, sensory- and motor property-based neural networks. This suggests that object concepts are not explicitly represented, but rather emerge from weighted activity within property-based brain regions. However, some property-based regions seem to show a categorical organization, thus providing evidence consistent with category-based, domain-specific formulations as well.
Reference:
The representation of object concepts in the brain. (Alex Martin), In Annual review of psychology, volume 58, 2007.
Bibtex Entry:
@article{Martin2007,
abstract = {Evidence from functional neuroimaging of the human brain indicates that information about salient properties of an object-such as what it looks like, how it moves, and how it is used-is stored in sensory and motor systems active when that information was acquired. As a result, object concepts belonging to different categories like animals and tools are represented in partially distinct, sensory- and motor property-based neural networks. This suggests that object concepts are not explicitly represented, but rather emerge from weighted activity within property-based brain regions. However, some property-based regions seem to show a categorical organization, thus providing evidence consistent with category-based, domain-specific formulations as well.},
author = {Martin, Alex},
doi = {10.1146/annurev.psych.57.102904.190143},
issn = {0066-4308},
journal = {Annual review of psychology},
keywords = {Anomia,Anomia: physiopathology,Brain Mapping,Cerebral Cortex,Cerebral Cortex: physiopathology,Concept Formation,Concept Formation: physiology,Dominance, Cerebral,Dominance, Cerebral: physiology,Humans,Image Processing, Computer-Assisted,Imaging, Three-Dimensional,Magnetic Resonance Imaging,Mental Recall,Mental Recall: physiology,Motion Perception,Motion Perception: physiology,Motor Cortex,Motor Cortex: physiopathology,Nerve Net,Nerve Net: physiopathology,Pattern Recognition, Visual,Pattern Recognition, Visual: physiology,Prefrontal Cortex,Prefrontal Cortex: physiopathology,Psychomotor Performance,Psychomotor Performance: physiology,SML-LIB-BIBLIO,Semantics,Temporal Lobe,Temporal Lobe: physiopathology,Verbal Learning,Verbal Learning: physiology,lang:ENG},
mendeley-tags = {SML-LIB-BIBLIO,lang:ENG},
month = jan,
pages = {25--45},
pmid = {16968210},
title = {{The representation of object concepts in the brain.}},
url = {http://www.ncbi.nlm.nih.gov/pubmed/16968210},
volume = {58},
year = {2007}
}
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