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Quantifying information flow in fMRI using the Kullbakc-Leibler divergence

Seghouane, Abd-Krim

Description

Extracting the directional interaction between activated brain areas from functional magnetic resonance imaging (fMRI) time series measurements of their activity is a significant step in understanding the process of brain functions. In this paper, the directional interaction between fMRI time series characterizing the activity of two neuronal sites is quantified using a measure derived from the Kullback-Leibler divergence. A parametric approach based on the autoregressive (AR) and...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Conference paper
URI: http://hdl.handle.net/1885/63390
Source: From Nano to Macro
DOI: 10.1109/ISBI.2011.5872701

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