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Application Of Bootstrap Resampling In Fmri, Arthika Bappal
Application Of Bootstrap Resampling In Fmri, Arthika Bappal
Theses
This thesis demonstrates the use of the bootstrap resampling technique considering temporal dependency in the fMRI data to determine the reliability and confidence interval of fMRI parameters. Traditionally, the test-retest method has been used to reliably detect active voxels in the fMRI image of the brain, which is based on repetitive experimentation. The main concern with the test-retest method is the reproducibility of data over these multiple repetitions. Fatigue, habituation, motion artifacts, and repositioning errors are few of the factors, which can affect the reproducibility of data.
The conventional bootstrap resampling technique is based on the assumption that the dataset …