Cerebral blood flow assay refers to the measurement and quantification of blood perfusion through brain tissue, providing a functional readout of cerebrovascular supply, autoregulation, and metabolic demand. Cerebral blood flow describes the volume of blood delivered to a given mass of brain per unit time, and its a…
Cerebral blood flow assay refers to the measurement and quantification of blood perfusion through brain tissue, providing a functional readout of cerebrovascular supply, autoregulation, and metabolic demand. Cerebral blood flow describes the volume of blood delivered to a given mass of brain per unit time, and its assessment is central to understanding how neural tissue maintains oxygen and glucose supply under varying physiological and pathological conditions. Techniques span transcranial Doppler ultrasonography, perfusion magnetic resonance and computed tomography, single-photon and positron emission imaging, near-infrared spectroscopy, and functional neuroimaging that infers activity from hemodynamic change. A related measure, cerebrovascular reactivity, gauges the vasculature's capacity to dilate or constrict in response to stimuli such as carbon dioxide, breath-holding, or pharmacological challenge. These assays inform the study of stroke and ischemia, headache and tension-type pain mechanisms, neurodegeneration, traumatic injury, and extreme physiological states. By linking regional perfusion to function, cerebral blood flow assessment helps localize activated brain areas, characterize endothelial and microvascular health, evaluate disease progression, and monitor therapeutic response. Accurate interpretation requires attention to spatial and temporal resolution, baseline conditions, and confounders such as systemic blood pressure and partial-pressure changes in respiratory gases.
5 peer-reviewed articles, ranked by relevance. Each links to its DOI.
The 5 articles above have been cited 11 times in the scholarly literature. Citation data via OpenAlex and Crossref, updated Jun 2026.
A sample of recent works citing this journal's research on Cerebral Blood Flow Assay, linking to each citing work.