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105 results for “entrainment”
Parametric effects of light acting via multiple photoreceptors contribute to circadian entrainment in Drosophila melanogaster
<p>Circadian rhythms in physiology and behavior have near 24-hour periodicities that must adjust to the exact 24-hour geophysical cycles on earth to ensure adaptive daily timing. Such adjustment is called entrainment. One major mode of entrainment is via the continuous modulation of circadian period by the prolonged presence of light. Although <em>Drosophila melanogaster</em> is a prominent insect model of chronobiology, there is little evidence for such continuous effects of light in the species. In this study, we demonstrate that prolonged light exposure at specific times of the day shapes the daily timing of activity in flies. We also establish that continuous blue- and UV-blocked light lengthens the circadian period of <em>Drosophila</em> and provide evidence that this is produced by the combined action of multiple photoreceptors which, includes the cell autonomous photoreceptor <em>cryptochrome</em>. Finally, we introduce ramped light cycles as an entrainment paradigm that produces light entrainment that lacks the large light-driven startle responses typically displayed by flies and requires multiple days for entrainment to shifted cycles. These features are reminiscent of entrainment in mammalian models systems and make possible new experimental approaches to understanding the mechanisms underlying entrainment in the fly.</p>
Entrainment-Based Mechanical Ventilation
ClinicalTrials.gov study NCT03512067. IPD Sharing: Not stated. Countries: 1. Publications: 10.
Data for: Plastic vasomotion entrainment in eLife
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Data from: Moist heatwaves intensified by entrainment of dry air that limits deep convection
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Circadian rhythm entrainment of the jewel wasp, Nasonia vitripennis, by antagonistic interactions of multiple spectral inputs
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Data for: Intracranial entrainment reveals statistical learning across levels of abstraction
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Parametric effects of light acting via multiple photoreceptors contribute to circadian entrainment in Drosophila melanogaster
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Raw data for the article: A Cryptochrome adopts distinct moon- and sunlight states and functions as sun- versus moonlight interpreter in monthly oscillator entrainment
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Data from: Sporadic feeding regulates robust food entrainable circadian clocks in blind cavefish
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Forward entrainment in pitch discrimination (data analysis)
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Confirming an antiphasic bicyclic pattern of forward entrainment in signal detection: a reanalysis of Sun et al. (2021)
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Data from: The rhythm of attention: perceptual modulation via rhythmic entrainment is lowpass and attention mediated
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Estimates of surface layer net community production based on underway Lagrangian measurements of the dissolved O2/Ar ratio using Equilibrator Inlet Mass Spectrometry (EIMS), based on both steady-state and non-steady-state assumptions of the mixed-layer biological oxygen budget. Also included are estimates of the potential contribution of vertical fluxes: advection, eddy diffusion, and entrainment.
The ratio of dissolved oxygen to argon in surface seawater is frequently employed to estimate rates of net community production (NCP) in the oceanic mixed layer. The in situ O2/Ar-based method accounts for many physical factors that influence oxygen concentrations in the surface ocean, permitting isolation of the biological oxygen signal produced by the balance of photosynthesis and respiration. However, this technique traditionally relies upon several assumptions when calculating the mixed layer O2/Ar budget, most notably the absence of vertical fluxes of O2/Ar and the existence of a steady-state balance between net productivity and the air-sea gas exchange of biological oxygen. Employing a Lagrangian study design and leveraging data outputs from a regional physical oceanographic model, we conducted in situ measurements of O2/Ar in the California Current Ecosystem in spring 2016 and summer 2017 to evaluate these assumptions within a ‘worst-case’ field environment. Quantifying the magnitude of vertical fluxes and comparing NCP estimates obtained using steady-state versus non-steady-state assumptions, we find the importance of the non-steady-state term to be considerable, also observing significant potential effects from vertical flux terms, particularly advection. Additionally, we observe strong diel variability in O2/Ar and calculated NCP rates at multiple stations. Our results reemphasize the importance of accounting for vertical fluxes when interpreting O2/Ar-derived NCP data as well as the potentially large effect of non-steady-state conditions, including diel cycles in surface O2/Ar that can bias interpretation of NCP data based on local productivity and the time of day at which measurements were made.
Dataset for: Entrainment of mammalian motile cilia in the brain with hydrodynamic forces
<p>Please read the README.md for information on how to handle the dataset.</p>
Wind Tunnel Measurements of Aerodynamic Entrainment Rate of Particles
<p>This dataset is related to a wind tunnel experiment of aerodynamic entrainment rate of particles. Wind profiles are measured by pitot tube, for calibrating surface shear stress measured by Irwin sensors. Aerodynamic entrainment rate is measured through the mass difference weighting before and after the erosion event. Each case is repeated three times to find the average value and the error. The experimental setup is showed in figure 1.</p>
Supplementary data for "Transient wave activity in snow avalanches is controlled by entrainment and topography"
<p>We are releasing the data of Figs. 2,4&5 in our manuscript submitted to Communications Earth & Environment.</p>
The influence of bedrock river morphology and alluvial cover on gravel entrainment: Datasets
<p>These datasets accompany the following papers:</p> <p>Buechel MEH, Hodge RA and Kenmare S. The influence of bedrock river morphology and alluvial cover on gravel entrainment: Part 1. Pivot angles and surface roughness. Under revision for ESPL.</p> <p>Hodge RA and Buechel MEH. The influence of bedrock river morphology and alluvial cover on gravel entrainment: Part 2. Modelling critical shear stress. Under revision for ESPL.</p> <p>The aim of these papers was to investigate the impact of bedrock surface topography on critical shear stress. Three datasets are provided:</p> <p>1. surface DEMs: point clouds of all experimental surface topography</p> <p>2. pivot angle data: pivot angles measured using the experimental surfaces</p> <p>3. entrainment modelling data: results of the entrainment modelling</p> <p>Further information on each dataset is provided in a read_me file in each folder.</p>
Dataset for: Motile cilia hydrodynamics: Entrainment versus synchronisation when coupling through flow
<p>This archive contains the dataset for the article "Motile cilia hydrodynamics: Entrainment versus synchronisation when coupling through flow".</p> <p>We gathered videos of cilia dynamics from different sources. For each animal/microorganism we upload the videos in different formats depending on the source:</p> <p>- .tiffs usually in a directory, it is composed by a series of images</p> <p>- .movie a format that we use in our lab and that it is combatible with our software in Matlab to tack cilium waveform</p> <p>- .avi </p> <p>For each video we also have the results from the tracking with our software. The resuts from a single video are all in a Matlab variable that has the same name but with the extension .clclk_force</p> <p>for example for the video "filename", the results are in "filename.clclk_force".<br> In Matlab these can be loaded as force = load('filename.clclk_force','-mat');<br> For all the videos these can be directly be found in the directory cilium waveforms force files.</p>
Data for "Online Learning of Entrainment Closures in a Hybrid Machine Learning Parameterization"
<p>Calibration data and visualization tools for "Online Learning of Entrainment Closures in a Hybrid Machine Learning Parameterization".</p>
Supplementary videos for "Transient wave activity in snow avalanches is controlled by entrainment and topography"
<p>Movie 1. Field avalanche happened at the Vallée de la Sionne test site on 3 February 2015.</p> <p>Movie 2. Numerical simulation of the 2015 VdlS avalanche. The color in the video shows the flow velocity, and the colorbar can be found in Fig. 3 of the manuscript.</p> <p>Movie 3. Roll-waves in the simulated avalanche, where the particles ahead of the wave are eroded and the particles at the wave tail are not deposited. The color in the video shows the flow velocity, and the colorbar can be found in Fig. 3 of the manuscript.</p> <p>Movie 4. Erosion-deposition waves in the simulated avalanche, where the particles ahead of the wave are eroded and the particles at the wave tail are deposited. The color in the video shows the flow velocity, and the colorbar can be found in Fig. 3 of the manuscript.</p>
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
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.