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Abstract #2069

Analysis of Sampling Rate (TR) Dependence of Hurst Exponent of FMRI BOLD Time Series

Muhammad Kaleem 1 and Dietmar Cordes 2

1 Ryerson University, Toronto, Ontario, Canada, 2 Lou Ruvo Center for Brain Health, Las Vegas, Nevada, United States

The abstracts presents a study of the Hurst exponent of fMRI BOLD time-series acquired at different sampling rates (TR). The Hurst exponent is related to the spectral characteristics of a time-series, and the change in the Hurst exponent value at different TRs due to frequency aliasing is demonstrated.

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