Origin of Negative Blood Oxygenation Level—Dependent fMRI Signals
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Summary
The results support the notion that reallocation of cortical blood resources could overcome a local demand for increased cerebral blood flow induced by increased neural activity and imply that caution should be taken when interpreting the negative BOLD signals as a decrease in neuronal activity.
- Type
- article
- Published
- 2002-08-01
- Cited by
- 380
- References
- 55
- Access
- Open access
- OpenAlex
- https://openalex.org/W2029120044
- Semantic Scholar
- https://api.semanticscholar.org/CorpusID:4091809
Keywords
Functional magnetic resonance imaging, Gyrus, Blood-oxygen-level dependent, Neuroscience, Blood oxygenation
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Cited by
- Hemispheric Asymmetry of Frequency-Dependent Suppression in the Ipsilateral Primary Motor Cortex During Finger Movement: A Functional Magnetic Resonance Imaging Study
- Pain fMRI in rat cervical spinal cord: An echo planar imaging evaluation of sensitivity of BOLD and blood volume-weighted fMRI
- Negative BOLD signal changes in ipsilateral primary somatosensory cortex are associated with perfusion decreases and behavioral evidence for functional inhibition
- Functional imaging of auditory cortex in adult cats using high-field fMRI.
- The brain's code and its canonical computational motifs. From sensory cortex to the default mode network: A multi-scale model of brain function in health and disease.
- Functional Electrical Impedance Tomography of adult and neonatal brain function
- Neurovascular and neuroimaging effects of the hallucinogenic serotonin receptor agonist psilocin in the rat brain
- An investigation of positive and inverted hemodynamic response functions across multiple visual areas
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- Magnetic Resonance Imaging
- Reading vascular changes in brain imaging: is dendritic calcium the key?
- BOLD signal changes preceding negative responses in EEG‐fMRI in patients with focal epilepsy
- Investigation of brain tissue water NMR response by optimised quantitative single-voxel proton magnetic resonance spectroscopy
- Brain processes in discounting: consequences of adolescent methylphenidate exposure.
- Models and image: reconstruction in electrical impedance tomography of human brain function
- Specific and Somatotopic Functional Magnetic Resonance Imaging Activation in the Trigeminal Ganglion by Brush and Noxious Heat
- Electrophysiological correlates of the BOLD signal for EEG-informed fMRI
- Using physiological MRI to estimate dynamic cerebral autoregulation metrics: functional MRI feasibility study
- Reading, listening and memory-related brain activity in children with early-stage temporal lobe epilepsy of unknown cause-an fMRI study.
- Individual differences in excitation and inhibition in visual cortex
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