Source of nonlinearity of the BOLD response revealed by simultaneous fMRI and NIRS

The nonlinearity of the blood oxygenation level-dependent (BOLD) response to stimuli of different duration, particularly those of short duration, has been well studied by functional magnetic resonance imaging (fMRI). This nonlinearity is assumed to be due to neural adaptation and the nonlinearity of...

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Veröffentlicht in:	NeuroImage (Orlando, Fla.) Fla.), 2008-02, Vol.39 (3), p.997-1013
Hauptverfasser:	Toyoda, Hiroshi, Kashikura, Kenichi, Okada, Tomohisa, Nakashita, Satoru, Honda, Manabu, Yonekura, Yoshiharu, Kawaguchi, Hideo, Maki, Atsushi, Sadato, Norihiro
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult BOLD Brain Cerebrovascular Circulation - physiology Deoxyhemoglobin Electroencephalography Female fMRI Functional magnetic resonance imaging Hemodynamic response Hemoglobins - metabolism Humans Image Processing, Computer-Assisted - statistics & numerical data Magnetic Resonance Imaging - methods Male Medical imaging Near-infrared spectroscopy NIRS NMR Nonlinear Dynamics Nonlinearity Nuclear magnetic resonance OEF Oxygen - blood Oxygen extraction fraction Photic Stimulation Reference Values Spectroscopy, Near-Infrared - methods Studies
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