Projection Patterns of Corticofugal Neurons Associated with Vibrissa Movement
Rodents actively whisk their vibrissae, which, when they come in contact with surrounding objects, enables rodents to gather spatial information about the environment. Cortical motor command of whisking is crucial for the control of vibrissa movement. Using awake and head-fixed rats, we investigated the correlations between axonal projection patterns and firing properties in identified layer 5 neurons in the motor cortex, which are associated with vibrissa movement. We found that cortical neurons that sent axons to the brainstem fired preferentially during large-amplitude vibrissa movements and that corticocallosal neurons exhibited a high firing rate during small vibrissa movements or during a quiet state. The differences between these two corticofugal circuits may be related to the mechanisms of motor-associated information processing.
| Errataetall: | |
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| Medienart: |
E-Artikel |
| Erscheinungsjahr: |
2018 |
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| Erschienen: |
2018 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:5 |
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| Enthalten in: |
eNeuro - 5(2018), 5 vom: 20. Sept. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Shibata, Ken-Ichi [VerfasserIn] |
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| Links: |
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| Themen: |
Intratelencephalic neuron |
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| Anmerkungen: |
Date Completed 19.04.2019 Date Revised 19.04.2019 published: Electronic-eCollection ErratumIn: eNeuro. 2019 Oct 18;6(5):. - PMID 31628209 Citation Status MEDLINE |
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| doi: |
10.1523/ENEURO.0190-18.2018 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM290390052 |
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| 520 | |a Rodents actively whisk their vibrissae, which, when they come in contact with surrounding objects, enables rodents to gather spatial information about the environment. Cortical motor command of whisking is crucial for the control of vibrissa movement. Using awake and head-fixed rats, we investigated the correlations between axonal projection patterns and firing properties in identified layer 5 neurons in the motor cortex, which are associated with vibrissa movement. We found that cortical neurons that sent axons to the brainstem fired preferentially during large-amplitude vibrissa movements and that corticocallosal neurons exhibited a high firing rate during small vibrissa movements or during a quiet state. The differences between these two corticofugal circuits may be related to the mechanisms of motor-associated information processing | ||
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| 700 | 1 | |a Furuta, Takahiro |e verfasserin |4 aut | |
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