Modeling of region-specific fMRI BOLD neurovascular response functions in rat brain reveals residual differences that correlate with the differences in regional evoked …
The response of the rat visual system to flashes of blue light has been studied by blood
oxygen level-dependent (BOLD) functional magnetic resonance imaging (fMRI). The BOLD …
oxygen level-dependent (BOLD) functional magnetic resonance imaging (fMRI). The BOLD …
Analysis of time and space invariance of BOLD responses in the rat visual system
CJ Bailey, BG Sanganahalli, P Herman… - Cerebral …, 2013 - academic.oup.com
Neuroimaging studies of functional magnetic resonance imaging (fMRI) and
electrophysiology provide the linkage between neural activity and the blood oxygenation …
electrophysiology provide the linkage between neural activity and the blood oxygenation …
Light stimulus frequency dependence of activity in the rat visual system as studied with high-resolution BOLD fMRI
N Van Camp, M Verhoye… - Journal of …, 2006 - journals.physiology.org
The neurophysiology of the rodent visual system has mainly been investigated by invasive
and ex-vivo techniques providing fragmented data. This area of research has been deprived …
and ex-vivo techniques providing fragmented data. This area of research has been deprived …
Spatial and temporal differentiation of fMRI BOLD response in primary visual cortex of human brain during sustained visual simulation
WEI Chen, XH Zhu, T Kato, P Andersen… - Magnetic resonance …, 1998 - Wiley Online Library
The blood oxygenation level dependent (BOLD) response during sustained visual
stimulation has been studied by several groups using fMRI with controversial conclusions …
stimulation has been studied by several groups using fMRI with controversial conclusions …
Temporal dynamics of the BOLD fMRI impulse response
Using computer simulations and high-resolution fMRI experiments in humans (n= 6) and rats
(n= 8), we investigated to what extent BOLD fMRI temporal resolution is limited by dispersion …
(n= 8), we investigated to what extent BOLD fMRI temporal resolution is limited by dispersion …
High-resolution fMRI reveals laminar differences in neurovascular coupling between positive and negative BOLD responses
J Goense, H Merkle, NK Logothetis - Neuron, 2012 - cell.com
The six cortical layers have distinct anatomical and physiological properties, like different
energy use and different feedforward and feedback connectivity. It is not known if and how …
energy use and different feedforward and feedback connectivity. It is not known if and how …
Contribution of excitatory and inhibitory neuronal activity to BOLD fMRI
The BOLD fMRI response in the cortex is often assumed to reflect changes in excitatory
neural activity. However, the contribution of inhibitory neurons to BOLD fMRI is unclear …
neural activity. However, the contribution of inhibitory neurons to BOLD fMRI is unclear …
Determining excitatory and inhibitory neuronal activity from multimodal fMRI data using a generative hemodynamic model
Hemodynamic responses, in general, and the blood oxygenation level-dependent (BOLD)
fMRI signal, in particular, provide an indirect measure of neuronal activity. There is strong …
fMRI signal, in particular, provide an indirect measure of neuronal activity. There is strong …
Investigating the source of BOLD nonlinearity in human visual cortex in response to paired visual stimuli
Several studies have demonstrated significant nonlinearity in the blood-oxygenation-level-
dependent (BOLD) signal. Completely understanding the nature of this nonlinear behavior is …
dependent (BOLD) signal. Completely understanding the nature of this nonlinear behavior is …
Hemodynamic nonlinearities affect BOLD fMRI response timing and amplitude
The interpretation of functional magnetic resonance imaging (fMRI) studies based on blood
oxygen-level dependent (BOLD) contrast generally relies on the assumption of a linear …
oxygen-level dependent (BOLD) contrast generally relies on the assumption of a linear …