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Kalen Riley

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Coupling of Low Frequency Hemodynamic Oscillations Between the Brain and Spinal Cord

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By Vidhya V Nair, Brianna Kish, Andrew John Frels, Kalen Riley
| Wiley Online Library Verified
1 Introduction In Functional Magnetic Resonance Imaging (fMRI), the primary contrast is the Blood Oxygen Level Dependent (BOLD) signal, which reflects the changes in blood-related parameters such as deoxy-hemoglobin concentration, blood flow, and volume, etc. BOLD signal is widely used to study neuronal activation through neurovascular coupling but can also be influenced by physiological processes that alter these blood parameters (Fox and Raichle 2007).
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