Miao, Peng Entropy analysis reveals a simple linear relation between laser speckle and blood flow. [electronic resource] - Optics letters Jul 2014 - 3907-10 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1539-4794 Standard No.: 10.1364/OL.39.003907 doi Subjects--Topical Terms: AnimalsBlood Flow Velocity--physiologyCerebrovascular CirculationContrast MediaEntropyFemaleHemorheologyInterferometryLasersLinear ModelsModels, CardiovascularOptical ImagingOptical PhenomenaRatsRats, Sprague-DawleyScattering, RadiationSomatosensory Cortex--blood supply