Detecting functionally coherent networks in fMRI data of the human brain using 
replicator dynamics

Lohmann, G; von Cramon, DY

doi:10.1007/3-540-45729-1_23

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Detecting functionally coherent networks in fMRI data of the human brain using replicator dynamics

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Lohmann, G., & von Cramon, D. (2001). Detecting functionally coherent networks in fMRI data of the human brain using replicator dynamics. In M. Insana, & R. Leahy (Eds.), Information Processing in Medical Imaging: 17th International Conference, IPMI 2001 Davis, CA, USA, June 18–22 (pp. 218-224). Berlin, Germany: Springer.

Cite as: https://hdl.handle.net/21.11116/0000-0005-A886-6

Abstract

We present a new approach to detecting functional networks in fMRI time series data. Functional networks as defined here are characterized by a tight coherence criterion where every network member is closely connected to every other member. This definition of a network closely resembles that of a clique in a graph. We propose to use replicator dynamics for detecting such networks. Our approach differs from standard clustering algorithms in that the entities that are targeted here differ from the traditional cluster concept.