期刊
NEURON
卷 97, 期 3, 页码 698-+出版社
CELL PRESS
DOI: 10.1016/j.neuron.2017.12.037
关键词
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资金
- EU-H grant [668863-SyBil-AA]
- NIH [RO1 EY022090, R01MH060974]
- McDonnell Center for Systems Neuroscience grant [22-3920-26239J]
- LABEX CORTEX of the Universite de Lyon [ANR-11-LABX-0042, ANR-11-IDEX-0007, ANR-14-CE13-0033-ARCHI-CORE, ANR-15-CE32-0016-CORNET, ANR-17-NEUC-0004-A2P2MC]
- Federation des Aveugles de France
- National Science Foundation (NSF) [IIS-1724297, ANR-17-FLAG-ERA-HBP-CORTICITY]
- Agence Nationale de la Recherche (ANR) [ANR-17-NEUC-0004] Funding Source: Agence Nationale de la Recherche (ANR)
The inter-areal wiring pattern of the mouse cerebral cortex was analyzed in relation to a refined parcellation of cortical areas. Twenty-seven retrograde tracer injections were made in 19 areas of a 47-area parcellation of the mouse neocortex. Flat mounts of the cortex and multiple histological markers enabled detailed counts of labeled neurons in individual areas. The observed log-normal distribution of connection weights to each cortical area spans 5 orders of magnitude and reveals a distinct connectivity profile for each area, analogous to that observed in macaques. The cortical network has a density of 97%, considerably higher than the 66% density reported in macaques. A weighted graph analysis reveals a similar global efficiency but weaker spatial clustering compared with that reported in macaques. The consistency, precision of the connectivity profile, density, and weighted graph analysis of the present data differ significantly from those obtained in earlier studies in the mouse.
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