The Useful Side of Motion: Using Head Motion Parameters to Correct for Respiratory Confounds in BOLD fMRI

Abdoljalil Addeh, G. Bruce Pike, M. Ethan MacDonald
10/16/2024
eess.IVcs.LG

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Abstract

Acquiring accurate external respiratory data during functional Magnetic Resonance Imaging (fMRI) is challenging, prompting the exploration of machine learning methods to estimate respiratory variation (RV) from fMRI data. Respiration induces head motion, including real and pseudo motion, which likely provides useful information about respiratory events. Recommended notch filters mitigate respiratory-induced motion artifacts, suggesting that a bandpass filter at the respiratory frequency band isolates respiratory-induced head motion. This study seeks to enhance the accuracy of RV estimation from resting-state BOLD-fMRI data by integrating estimated head motion parameters. Specifically, we aim to determine the impact of incorporating raw versus bandpass-filtered head motion parameters on RV reconstruction accuracy using one-dimensional convolutional neural networks (1D-CNNs). This approach addresses the limitations of traditional filtering techniques and leverages the potential of head motion data to provide a more robust estimation of respiratory-induced variations.

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Cite this paper

@article{addeh2024useful,
  title  = {The Useful Side of Motion: Using Head Motion Parameters to Correct for Respiratory Confounds in BOLD fMRI},
  author = {Abdoljalil Addeh and G. Bruce Pike and M. Ethan MacDonald},
  year   = {2024},
  eprint = {2410.19802},
  archivePrefix = {arXiv},
  url    = {http://arxiv.org/abs/2410.19802v1}
}

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