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Relating Neuronal Firing Patterns to Functional Differentiation of Cerebral Cortex
It has been empirically established that the cerebral cortical areas defined by Brodmann one hundred years ago solely on the basis of cellular organization are closely correlated to their function, such as sensation, association, and motion. Cytoarchitectonically distinct cortical areas have differe...
Autores principales: | , , , , , , , , , , , , , , , , , , , , |
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Formato: | Texto |
Lenguaje: | English |
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Public Library of Science
2009
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2701610/ https://www.ncbi.nlm.nih.gov/pubmed/19593378 http://dx.doi.org/10.1371/journal.pcbi.1000433 |
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author | Shinomoto, Shigeru Kim, Hideaki Shimokawa, Takeaki Matsuno, Nanae Funahashi, Shintaro Shima, Keisetsu Fujita, Ichiro Tamura, Hiroshi Doi, Taijiro Kawano, Kenji Inaba, Naoko Fukushima, Kikuro Kurkin, Sergei Kurata, Kiyoshi Taira, Masato Tsutsui, Ken-Ichiro Komatsu, Hidehiko Ogawa, Tadashi Koida, Kowa Tanji, Jun Toyama, Keisuke |
author_facet | Shinomoto, Shigeru Kim, Hideaki Shimokawa, Takeaki Matsuno, Nanae Funahashi, Shintaro Shima, Keisetsu Fujita, Ichiro Tamura, Hiroshi Doi, Taijiro Kawano, Kenji Inaba, Naoko Fukushima, Kikuro Kurkin, Sergei Kurata, Kiyoshi Taira, Masato Tsutsui, Ken-Ichiro Komatsu, Hidehiko Ogawa, Tadashi Koida, Kowa Tanji, Jun Toyama, Keisuke |
author_sort | Shinomoto, Shigeru |
collection | PubMed |
description | It has been empirically established that the cerebral cortical areas defined by Brodmann one hundred years ago solely on the basis of cellular organization are closely correlated to their function, such as sensation, association, and motion. Cytoarchitectonically distinct cortical areas have different densities and types of neurons. Thus, signaling patterns may also vary among cytoarchitectonically unique cortical areas. To examine how neuronal signaling patterns are related to innate cortical functions, we detected intrinsic features of cortical firing by devising a metric that efficiently isolates non-Poisson irregular characteristics, independent of spike rate fluctuations that are caused extrinsically by ever-changing behavioral conditions. Using the new metric, we analyzed spike trains from over 1,000 neurons in 15 cortical areas sampled by eight independent neurophysiological laboratories. Analysis of firing-pattern dissimilarities across cortical areas revealed a gradient of firing regularity that corresponded closely to the functional category of the cortical area; neuronal spiking patterns are regular in motor areas, random in the visual areas, and bursty in the prefrontal area. Thus, signaling patterns may play an important role in function-specific cerebral cortical computation. |
format | Text |
id | pubmed-2701610 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2009 |
publisher | Public Library of Science |
record_format | MEDLINE/PubMed |
spelling | pubmed-27016102009-07-10 Relating Neuronal Firing Patterns to Functional Differentiation of Cerebral Cortex Shinomoto, Shigeru Kim, Hideaki Shimokawa, Takeaki Matsuno, Nanae Funahashi, Shintaro Shima, Keisetsu Fujita, Ichiro Tamura, Hiroshi Doi, Taijiro Kawano, Kenji Inaba, Naoko Fukushima, Kikuro Kurkin, Sergei Kurata, Kiyoshi Taira, Masato Tsutsui, Ken-Ichiro Komatsu, Hidehiko Ogawa, Tadashi Koida, Kowa Tanji, Jun Toyama, Keisuke PLoS Comput Biol Research Article It has been empirically established that the cerebral cortical areas defined by Brodmann one hundred years ago solely on the basis of cellular organization are closely correlated to their function, such as sensation, association, and motion. Cytoarchitectonically distinct cortical areas have different densities and types of neurons. Thus, signaling patterns may also vary among cytoarchitectonically unique cortical areas. To examine how neuronal signaling patterns are related to innate cortical functions, we detected intrinsic features of cortical firing by devising a metric that efficiently isolates non-Poisson irregular characteristics, independent of spike rate fluctuations that are caused extrinsically by ever-changing behavioral conditions. Using the new metric, we analyzed spike trains from over 1,000 neurons in 15 cortical areas sampled by eight independent neurophysiological laboratories. Analysis of firing-pattern dissimilarities across cortical areas revealed a gradient of firing regularity that corresponded closely to the functional category of the cortical area; neuronal spiking patterns are regular in motor areas, random in the visual areas, and bursty in the prefrontal area. Thus, signaling patterns may play an important role in function-specific cerebral cortical computation. Public Library of Science 2009-07-10 /pmc/articles/PMC2701610/ /pubmed/19593378 http://dx.doi.org/10.1371/journal.pcbi.1000433 Text en Shinomoto et al. http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited. |
spellingShingle | Research Article Shinomoto, Shigeru Kim, Hideaki Shimokawa, Takeaki Matsuno, Nanae Funahashi, Shintaro Shima, Keisetsu Fujita, Ichiro Tamura, Hiroshi Doi, Taijiro Kawano, Kenji Inaba, Naoko Fukushima, Kikuro Kurkin, Sergei Kurata, Kiyoshi Taira, Masato Tsutsui, Ken-Ichiro Komatsu, Hidehiko Ogawa, Tadashi Koida, Kowa Tanji, Jun Toyama, Keisuke Relating Neuronal Firing Patterns to Functional Differentiation of Cerebral Cortex |
title | Relating Neuronal Firing Patterns to Functional Differentiation of Cerebral Cortex |
title_full | Relating Neuronal Firing Patterns to Functional Differentiation of Cerebral Cortex |
title_fullStr | Relating Neuronal Firing Patterns to Functional Differentiation of Cerebral Cortex |
title_full_unstemmed | Relating Neuronal Firing Patterns to Functional Differentiation of Cerebral Cortex |
title_short | Relating Neuronal Firing Patterns to Functional Differentiation of Cerebral Cortex |
title_sort | relating neuronal firing patterns to functional differentiation of cerebral cortex |
topic | Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2701610/ https://www.ncbi.nlm.nih.gov/pubmed/19593378 http://dx.doi.org/10.1371/journal.pcbi.1000433 |
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