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Visualization of Human Brain Network for the Analysis of Alzheimer's Disease Alzheimer Hastalığının Analizi için Beyin Ağlarının Görselleştirilmesi
Date
2024-01-01
Author
Değirmendereli, Gönül Günal
Aydın, Ulaş Sedat
Ahmadkhan, Abdulla
Türnüklü, Barış
Yarman Vural, Fatoş Tunay
Metadata
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In this study, we propose a new model for visualizing brain networks of brain using functional Magnetic Resonance Imaging (fMRI). In this model, we estimate the probability density functions of the regions by considering the voxel time series in the anatomical regions as random variables. Using these probability density functions, we estimate the Kullback-Leibler divergences between anatomical region pairs to assess the connection strength between regions. Using KL divergence values as the connection weights, we construct dynamic brain networks that illustrate information exchange among brain regions. The nodes of this network correspond to anatomical region indices, while the edge weights are defined as KL divergences. Finally, the brain networks developed for early and advanced-stage Alzheimer's disease patients and healthy individuals were visualized with BrainNet Viewer software.
Subject Keywords
Alzheimer Disease
,
Brain Networks
,
Entropy
,
fMRI
,
Kullback-Leibler Divergence
,
Visualization
URI
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85200829060&origin=inward
https://hdl.handle.net/11511/110783
DOI
https://doi.org/10.1109/siu61531.2024.10600913
Conference Name
32nd IEEE Conference on Signal Processing and Communications Applications, SIU 2024
Collections
Department of Computer Engineering, Conference / Seminar
Citation Formats
IEEE
ACM
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BibTeX
G. G. Değirmendereli, U. S. Aydın, A. Ahmadkhan, B. Türnüklü, and F. T. Yarman Vural, “Visualization of Human Brain Network for the Analysis of Alzheimer’s Disease Alzheimer Hastalığının Analizi için Beyin Ağlarının Görselleştirilmesi,” presented at the 32nd IEEE Conference on Signal Processing and Communications Applications, SIU 2024, Mersin, Türkiye, 2024, Accessed: 00, 2024. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85200829060&origin=inward.