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Emily Paulson

Marquette University



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Daniel B. Rowe

Marquette University/Medical College of Wisconsin



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375 – Contributed Oral Poster Presentations: Section on Statistics in Imaging

Induced Correlation Resulting from Respiration and Motion Correction Processing Operations in fMRI

Sponsor: Section on Statistics in Imaging
Keywords: MRI, fMRI, Motion correction, induced correlation

Emily Paulson

Marquette University

Daniel B. Rowe

Marquette University/Medical College of Wisconsin

Slight movements of a subject cause the function magnetic resonance imaging (fMRI) signal to be affected, thus causing errors in the data. This can include small head movements or systematic movement from respiration. However, these movements can be edited out of the time series. Respiration and motion correction processing operations induce correlation of no biological origin. The goal of this project is to represent these processing operations in a matrix framework. The matrix form will help determine the induced correlation structure, in order to remove artificial correlations, and identify the true biological signal of interest.

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