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Comment

. 2006 Dec 19;103(51):19219-20.

doi: 10.1073/pnas.0609523103. Epub 2006 Dec 11.

Small Worlds Inside Big Brains

Olaf Sporns¹, Christopher J Honey

Affiliations

PMID: 17159140
PMCID: PMC1748207
DOI: 10.1073/pnas.0609523103

Free PMC article

Comment

Small Worlds Inside Big Brains

Olaf Sporns et al. Proc Natl Acad Sci U S A. 2006.

Free PMC article

. 2006 Dec 19;103(51):19219-20.

doi: 10.1073/pnas.0609523103. Epub 2006 Dec 11.

Authors

Olaf Sporns¹, Christopher J Honey

Affiliation

¹ Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN 47405, USA. osporns@indiana.edu

PMID: 17159140
PMCID: PMC1748207
DOI: 10.1073/pnas.0609523103

Conflict of interest statement

The authors declare no conflict of interest.

Figures

Fig. 1. — Fig. 1.
Relationship of structural to functional connectivity networks. We built a demonstration model consisting of a set of 1,600 modeled neural mean field units arranged on a sphere and engaging in noise-driven spontaneous activity. (A) The anatomical connection pattern, shown only for a few randomly selected neural units, consists of a mix of mostly local (clustered) connections and a few connections made over longer distances. (B) A snapshot and an EEG-like recording trace of the dynamical neuronal activity pattern. Neuronal dynamics is characterized by complex spatial and temporal structure across multiple scales [supporting information (SI) Movie 1]. (C) A functional connectivity network obtained from a thresholded correlation matrix calculated from the dynamics shown in B. In this example, both structural and functional connectivity patterns exhibit small-world attributes.

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Comment on

Adaptive reconfiguration of fractal small-world human brain functional networks.
Bassett DS, Meyer-Lindenberg A, Achard S, Duke T, Bullmore E. Bassett DS, et al. Proc Natl Acad Sci U S A. 2006 Dec 19;103(51):19518-23. doi: 10.1073/pnas.0606005103. Epub 2006 Dec 11. Proc Natl Acad Sci U S A. 2006. PMID: 17159150 Free PMC article.

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