Hierarchical and graphical analysis of fMRI network connectivity in healthy and schizophrenic groups

Proceedings - International Symposium on Biomedical Imaging

Volumn , Issue , 2011, Pages 1031-1034

  Ma, Sai ^a   Eichele, Tom ^b   Correa, Nicolle M ^a   Calhoun, Vince D ^c   Adali, Tulay ^a  

^a UNIVERSITY OF MARYLAND BALTIMORE COUNTY   (United States)

^b UNIVERSITY OF BERGEN   (Norway)

^c UNIVERSITY OF NEW MEXICO   (United States)

Author keywords

fMRI; graph theory; hierarchical clustering; independent component analysis; network connectivity; schizophrenia; spatial dependence

Indexed keywords

FMRI; HIER-ARCHICAL CLUSTERING; INDEPENDENT COMPONENTS; NETWORK CONNECTIVITY; SCHIZOPHRENIA; SPATIAL DEPENDENCE;

DISEASES; GRAPH THEORY; MEDICAL IMAGING;

INDEPENDENT COMPONENT ANALYSIS;

EID: 80055036410     PISSN: 19457928     EISSN: 19458452     Source Type: Conference Proceeding    
DOI: 10.1109/ISBI.2011.5872577     Document Type: Conference Paper

References (12)

1. V. D. Calhoun and T. Adali, "Unmixing fMRI with independent component analysis," IEEE Eng. Med. Biol., vol. 25, no. 2, pp. 79-90, 2006.
2. M. Jafri, G. D. Pearlson, M. Stevens, et al., "A method for functional network connectivity among spatially independent resting state components in schizophrenia," NeuroImage, vol. 39, pp. 1666-1681, 2008.
3. S. M. Smith, et al., "Network modeling methods for FMRI," to appear in NeuroImage, 2010.
4. M. J. McKeown, et al., "Spatially independent activity patterns in functional magnetic resonance imaging data during the Stroop color-naming task," in Proc. Natl. Acad. Sci. USA, vol. 95, pp. 803-810, 1998.
5. S. Ma, X.-L. Li, N. M. Correa, and T. Adalć, "Independent subspace analysis with prior information for fMRI data," in Proc. ICASSP '10, Dallas, TX, March 2010.
6. E. Bullmore and O. Sporns, "Complex brain networks: graph theoretical analysis of structural and functional systems," Nature, vol. 10, pp. 186-198, 2009.
7. A. Dionisio, R. Menezes, D. A. Mendes, "Mutual information: a measure of dependency for nonlinear time series," Physica A, vol. 344, pp. 326-329, 2004.
8. V. D. Calhoun, K. A. Kiehl, G. D. Pearlson, "Modulation of temporally coherent brain networks estimated using ICA at rest and during cognitive tasks," Hum. Brain Mapp., vol. 29, pp. 828-838, 2008.
9. A. J. Bell and T. J. Sejnowski, "An information-maximization approach to blind separation and blind deconvolution," Neural Comput., vol. 7, no. 6, pp. 1129-1159, 1995.
10. Y.-I. Moon, B. Rajagopalam, U. Lall, et al., "Estimation of mutual information using kernel density estimators," Physical Review, vol. 52, no. 3, pp. 2318-2321, 1995.
11. A. Zalesky, A. Fornito, E. T. Bullmore, "Network-based statistic: Identifying differences in brain networks," NeuroImage, vol. 53, pp. 1197-1207, 2010.
12. Y. Liu, et al., "Disrupted small-worlds networks in schizophrenia," Brain, vol. 131, pp. 945-961, 2008.