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The diverse club
M A Bertolero1,2, B T T Yeo3,4,5,6, M D'Esposito7
1Helen Wills Neuroscience Institute and Department of Psychology, University of California Berkeley, 132 Barker Hall Berkeley, Berkeley, CA, 94720, USA. mbertolero@me.com.
Nature Communications
|November 4, 2017
Summary
The study identifies a "diverse club" of network nodes crucial for global integration, outperforming the previously known "rich club" in network connectivity and efficiency. These clubs may evolve through different selection pressures.
Area of Science:
- Network science
- Systems biology
- Computational neuroscience
Background:
- Complex systems are often analyzed as networks, with nodes representing units and edges representing connections.
- The
- rich club
- nodes, highly interconnected among themselves, are traditionally thought to support global network integration.
Purpose of the Study:
- To identify and characterize alternative node sets in complex networks that contribute to global integration.
- To compare the integrative properties of the proposed
- diverse club
- with the established
- rich club
- .
Main Methods:
- Network analysis of complex systems.
- Identification of node sets based on edge distribution patterns.
- Comparative analysis of network integration properties.
Main Results:
- A novel set of nodes, termed the
- diverse club
- , was identified, characterized by a diverse distribution of edges across the network.
- The
- diverse club
- demonstrated superior properties for global network integration compared to the
- rich club
- .
- Nodes in the
- diverse club
- were more interconnected and their edges were more critical for efficient global integration.
Conclusions:
- The
- diverse club
- plays a significant role in global network integration, potentially exceeding that of the
- rich club
- .
- Distinct evolutionary pressures may have shaped the formation and function of both the
- rich club
- and the
- diverse club
- .
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