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Identification of directed influence: Granger causality, Kullback-Leibler divergence, and complexity.

Seghouane, Abd-Krim; Amari, Shun-ichi

Description

Detecting and characterizing causal interdependencies and couplings between different activated brain areas from functional neuroimage time series measurements of their activity constitutes a significant step toward understanding the process of brain functions. In this letter, we make the simple point that all current statistics used to make inferences about directed influences in functional neuroimage time series are variants of the same underlying quantity. This includes directed transfer...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
URI: http://hdl.handle.net/1885/68652
Source: Neural Computation (online)
DOI: 10.1162/NECO_a_00291

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