Relationship between respiration, end-tidal CO2, and BOLD signals in resting-state fMRI

A significant component of BOLD fMRI physiological noise is caused by variations in the depth and rate of respiration. It has previously been demonstrated that a breath-to-breath metric of respiratory variation (respiratory volume per time; RVT), computed from pneumatic belt measurements of chest ex...

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Veröffentlicht in:	NeuroImage (Orlando, Fla.) Fla.), 2009-10, Vol.47 (4), p.1381-1393
Hauptverfasser:	Chang, Catie, Glover, Gary H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult BOLD signal Brain - physiology Brain Mapping - methods Carbon dioxide Carbon Dioxide - metabolism End-tidal CO2 End-tidal O2 Female fMRI Hemodynamic latency Humans Magnetic Resonance Imaging - methods Male Noise Oxygen Consumption - physiology Physiological noise Respiration Respiratory Mechanics - physiology Rest - physiology Resting state Statistics as Topic Tidal Volume - physiology Time series
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