| Issue |
EPL
Volume 79, Number 3, August 2007
|
|
|---|---|---|
| Article Number | 38004 | |
| Number of page(s) | 5 | |
| Section | Interdisciplinary Physics and Related Areas of Science and Technology | |
| DOI | https://doi.org/10.1209/0295-5075/79/38004 | |
| Published online | 16 July 2007 | |
Complex networks in brain electrical activity
1
Starlab Barcelona - Barcelona, Spain
2
Department of Physics, Saint Mary's College - Moraga, CA, USA
3
Department of Neuropsychology, Otto von Guericke Universität-Magdeburg - Germany
4
Neurodynamics Laboratory, Department of Psychiatry and Clinical Psychobiology, University of Barcelona - Spain
Received:
5
January
2007
Accepted:
19
June
2007
This letter reports a method to extract a functional network of the human brain from electroencephalogram measurements. A network analysis was performed on the resultant network and the statistics of the cluster coefficient, node degree, path length, and physical distance of the links, were studied. Even given the low electrode count of the experimental data the method was able to extract networks with network parameters that clearly depend on the type of stimulus presented to the subject. This type of analysis opens a door to studying the cerebral networks underlying brain electrical activity, and links the fields of complex networks and cognitive neuroscience.
PACS: 87.18.Sn – Neural networks / 87.19.Nn – Electrophysiology / 89.75.-k – Complex systems
© Europhysics Letters Association, 2007
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