Science. Author manuscript; available in PMC May 1, 2014. PMCID: PMC3905047
Published in final edited form as: NIHMSID: NIHMS548001
Science. Nov 1, 2013; 342(6158): 1238406.
doi:
Cortical HighDensity Counterstream Architectures
Nikola T. Markov,1,2,3 Mária ErcseyRavasz,4 David C. Van Essen,5 h Knoblauch,#1,2 Zoltán Toroczkai,#6,7,† and Henry
Kennedy#1,2,†
1
Stem cell and Brain Research Institute, INSERM U846, 18 Avenue Doyen Lépine, 69500 Bron, France
2
Université de Lyon, Université Lyon I, 69003 Lyon, France
3
Yale University, Department of Neurobiology, New Haven, CT 06520, USA
4
Faculty of Physics, BabeşBolyai University, ClujNapoca, 400084 Romania
5
Department of Anatomy and Neurobiology, Washington University School of Medicine, St. Louis, MO 631101093, USA
6
Department of Physics and Interdisciplinary Center work Science and Applications, University of Notre Dame, Notre Dame, IN 46556, USA
7
Max Planck Institute for the Physics plex Systems, 01187 Dresden, Germany
#
Contributed equally.
†
Corresponding author. Email: henry.******@ (.); Email: ******@ (.)
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Abstract Go to:
Smallworks provide an appealing description of cortical architecture owing to their capacity for
integration and bined with an economy of connectivity. Previous reports of lowdensity interareal
graphs and apparent smallworld properties are challenged by data that reveal highdensity cortical graphs in which
economy of connections is achieved by weight heterogeneity and distanceweight correlations. These properties
define a model that predicts many binary and weighted features of the work including a coreperiphery,
a typical feature of anizing information processing systems. Feedback and feedforward pathways between
areas exhibit a dual
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