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70 results for “Optical Flow”
The Effect of Optic Flow Speed Manipulation and the Level of Immersion on the Gait Pattern in People Post-stroke
ClinicalTrials.gov study NCT04521829. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Visual pursuit behavior in mice maintains the pursued prey on the retinal region with least optic flow
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Persistent firing and adaptation in optic-flow-sensitive descending neurons
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Data for the effect of optic flow cues on honeybee flight control in wind
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Eye saccades align optic flow with retinal specializations during object pursuit in freely moving ferrets
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Facilitation of neural responses to targets moving against optic flow
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Measurement of Absolute Retinal Blood Flow Using a Laser Doppler Velocimeter Combined with Adaptive Optics
<p><strong>Data set of measurements related to the following:</strong></p> <p><strong>Purpose: </strong>Development and validation of an absolute laser Doppler velocimeter (LDV) based on an adaptive optical fundus camera which provides simultaneously high definition images of the fundus vessels and absolute maximal red blood cells (RBCs) velocity in order to calculate the absolute retinal blood flow.</p> <p><strong>Methods: </strong>This new absolute laser Doppler velocimeter is combined with the adaptive optics fundus camera (rtx1, Imagine Eyes©,Orsay, France) outside its optical wavefront correction path. A 4 seconds recording includes 40 images, each synchronized with two Doppler shift power spectra. Image analysis provides the vessel diameter close to the probing beam and the velocity of the RBCs in the vessels are extracted from the Doppler spectral analysis. Combination of those values gives an average of the absolute retinal blood flow. An in vitro experiment consisting of latex microspheres flowing in water through a glass-capillary to simulate a blood vessel and in vivo measurements on six healthy human retinal venous junctions were done to assess the device.</p> <p><strong>Results: </strong>In the in vitro experiment, the calculated flow varied between 1.75 μl/min and 25.9 μl/min and was highly correlated (r2 = 0.995) with the imposed flow by a syringe pump. In the in vivo experiment, the error between the flow in the parent vessel and the sum of the flow in the daughter vessels was between −25% and 17% (mean±sd −2 ± 17%). Retinal blood flow in the main temporal retinal veins of healthy subjects varied between 1.3 μL/min and 28.7 μL/min</p> <p><strong>Conclusion: </strong>This adaptive optics LDV prototype (aoLDV) allows the measurement of absolute retinal blood flow derived from the retinal vessel diameter and the maximum RBCs velocity in that vessel.</p>
Data from: The need for speed: global optic flow speed influences steering
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The Validity of Retinal Blood Flow Measurements During Hyperoxia in Humans Using Fourier Domain Color Doppler Optical Coherence Tomography (CDOCT)
ClinicalTrials.gov study NCT00431600. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Vessel Imaging Using Optical Coherence Tomography for Plaque Morphology and Vessel Fractional Flow Reserve
ClinicalTrials.gov study NCT06844942. IPD Sharing: NO. Countries: 1. Publications: 0.
Effect of High-Dose Prednisolone (Solu Dacortin®) Treatment on Choroidal and Optic Nerve Head Blood Flow in Humans
ClinicalTrials.gov study NCT00312325. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Regulation of Optic Nerve Head Blood Flow During Combined Changes in Intraocular Pressure and Arterial Blood Pressure
ClinicalTrials.gov study NCT00914992. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Effects of Common Topical Glaucoma Therapy on Optic Nerve Head Blood Flow Autoregulation During Increased Arterial Blood Pressure and Artificially Elevated Intraocular Pressure in Healthy Humans
ClinicalTrials.gov study NCT00275756. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Regulation of Optic Nerve Head Blood Flow During Combined Changes in Intraocular Pressure and Arterial Blood Pressure
ClinicalTrials.gov study NCT00912665. IPD Sharing: Not stated. Countries: 1. Publications: 0.
The Effect of Optic Flow During Treadmill Walking on the Gait Pattern in People Post-stroke
ClinicalTrials.gov study NCT03898375. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Role of Endothelin-1 in Optic Nerve Head Blood Flow Regulation During Isometric Exercise in Healthy Humans
ClinicalTrials.gov study NCT00915070. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Optic Nerve Sheath Diameter in Low-flow and Normal-flow Rate Anesthesia
ClinicalTrials.gov study NCT05946200. IPD Sharing: NO. Countries: 1. Publications: 0.
Role of Endothelin- and Nitric Oxide-system in the Regulation of Optic Nerve Head Blood Flow During Changes in Ocular Perfusion Pressure
ClinicalTrials.gov study NCT00406731. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Non-invasive Measurement of Retinal Blood Flow Based on Vessel Analysis and Fourier Domain Optical Coherence Tomography in Patients With Hypertensive Retinopathy
ClinicalTrials.gov study NCT01753648. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Role of Nitric Oxide in Optic Nerve Head Blood Flow Regulation During Experimental Increase of Intraocular Pressure in Healthy Humans
ClinicalTrials.gov study NCT00914394. IPD Sharing: Not stated. Countries: 1. Publications: 0.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.