Abstractions
On the grid for the rat race The discovery by Edvard Moser and colleagues that rats and mice possess an orientation map of their surroundings, produced and updated by a network of cerebral cortex neurons known as 'grid cells' was one of the most exciting neuroscientific findings in recent...
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| Published in | Nature (London) Vol. 463; no. 7281; p. 586 |
|---|---|
| Format | Journal Article |
| Language | English |
| Published |
London
Nature Publishing Group UK
04.02.2010
Nature Publishing Group |
| Subjects | |
| Online Access | Get full text |
| ISSN | 0028-0836 1476-4687 |
| DOI | 10.1038/7281586b |
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| Abstract | On the grid for the rat race
The discovery by Edvard Moser and colleagues that rats and mice possess an orientation map of their surroundings, produced and updated by a network of cerebral cortex neurons known as 'grid cells' was one of the most exciting neuroscientific findings in recent years. These cells provide a strikingly periodic representation of self-location. The question naturally arises, does a similar mechanism operate in humans? The answer is provided in a paper by Christian Doeller, Caswell Barry and Neil Burgess in which single-unit recordings of grid cells in freely moving rats were combined with whole-brain functional magnetic resonance imaging (fMRI) in humans navigating within virtual environments. Doeller
et al
. were able to detect a macroscopic fMRI signal representing a subject's position in a virtual reality environment that met the criteria for defining grid-cell encoding. Thus, humans appear to represent position and support spatial cognition in a manner very like that used by rodents. |
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| AbstractList | LAST AUTHOR Rats have innate mapping ablities - scientists discovered in 2005 that the rodents maintain a grid-like map of their location by means of a network of brain neurons dubbed 'grid cells'. On the grid for the rat race The discovery by Edvard Moser and colleagues that rats and mice possess an orientation map of their surroundings, produced and updated by a network of cerebral cortex neurons known as 'grid cells' was one of the most exciting neuroscientific findings in recent years. These cells provide a strikingly periodic representation of self-location. The question naturally arises, does a similar mechanism operate in humans? The answer is provided in a paper by Christian Doeller, Caswell Barry and Neil Burgess in which single-unit recordings of grid cells in freely moving rats were combined with whole-brain functional magnetic resonance imaging (fMRI) in humans navigating within virtual environments. Doeller et al . were able to detect a macroscopic fMRI signal representing a subject's position in a virtual reality environment that met the criteria for defining grid-cell encoding. Thus, humans appear to represent position and support spatial cognition in a manner very like that used by rodents. |
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| Copyright | Springer Nature Limited 2010 Copyright Nature Publishing Group Feb 4, 2010 |
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| Snippet | On the grid for the rat race
The discovery by Edvard Moser and colleagues that rats and mice possess an orientation map of their surroundings, produced and... LAST AUTHOR Rats have innate mapping ablities - scientists discovered in 2005 that the rodents maintain a grid-like map of their location by means of a network... |
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| Title | Abstractions |
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