Comparing causality measures of fMRI data using PCA, CCA and vector autoregressive modelling
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Shah, Adnan; Khalid, Muhammad; 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 two measures; one derived based on univariate autoregressive and autoregressive exogenous (AR/ARX) and other derived based on...[Show more]
Collections | ANU Research Publications |
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Date published: | 2012 |
Type: | Conference paper |
URI: | http://hdl.handle.net/1885/71370 |
Source: | Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS |
DOI: | 10.1109/EMBC.2012.6347406 |
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01_Shah_Comparing_causality_measures_2012.pdf | 309.21 kB | Adobe PDF | Request a copy |
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