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67 results for “Time – delay”
Memory array locations, delay times, and participant response
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Delayed adaptive radiation among New Zealand stream fishes: joint estimation of divergence time and trait evolution in a newly delineated island species flock
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Data from: Phenological delay despite warming in wood frog (Rana sylvatica) reproductive timing: a 20-year study
<p>Across all taxa, amphibians exhibit some of the strongest phenological shifts in response to climate change. As climates warm, amphibians and other animals are expected to breed earlier in response to temperature cues. However, if species use fixed cues such as daylight, their breeding timing might remain fixed, potentially creating disconnects between their life history and environmental conditions. Wood frogs (<i>Rana </i>sylvatica) are a cold-adapted species that reproduce in early spring, immediately after breeding ponds are free of ice. We used long-term surveys of wood frog oviposition timing in 64 breeding ponds over 20 years to show that, despite experiencing a warming of 0.29 °C per decade in annual temperature, wood frog breeding phenology has shifted later by 2.8 days since 2000 (1.4 days per decade; 4.8 days per °C). This counterintuitive pattern is likely the result of changes in the timing of snowpack accumulation and melting. Finally, we used relationships between climate and oviposition between 2000 and 2018 to hindcast oviposition dates from climate records to model longer-term trends since 1980. Our study indicates that species can respond to fine-grained seasonal climate heterogeneity within years that is not apparent or counterintuitive when related to annual trends across years.</p>
Data from: How do habitat amount and habitat fragmentation drive time-delayed responses of biodiversity to land-use change?
<p><span>Land-use change is a root cause of the extinction crisis, but links between habitat change and biodiversity loss are not fully understood. While there is evidence that habitat loss is an important extinction driver, the relevance of habitat fragmentation remains debated. Moreover, while time-delays of biodiversity responses to habitat transformation are well-documented, time-delayed effects have been ignored in the habitat loss vs. fragmentation debate. Here, using a hierarchical Bayesian multi- species occupancy framework, we systematically tested for time-delayed responses of bird and mammal communities to habitat loss and to habitat fragmentation. We focused on the Argentine Chaco, where deforestation has been widespread recently. We used an extensive field dataset on birds and mammals, along with a time series of annual woodland maps from 1985-2016 covering recent and historical habitat transformations. Contemporary habitat amount explained bird and mammal occupancy better than past habitat amount. However, occupancy was affected more by past rather than recent fragmentation, indicating a time-delayed response to fragmentation. Considering past landscape patterns is therefore crucial for understanding current biodiversity patterns. Not accounting for land-use history ignores the possibility of extinction debt and can thus obscure impacts of fragmentation, potentially explaining contrasting findings of habitat loss vs. fragmentation studies.</span></p>
Data from: Effect of epistasis and environment on flowering time of barley reveals novel flowering-delaying QTL allele
Flowering time is a complex trait and has key role in crop yield and adaptation to environmental stressors such as heat and drought. The aim of this study was to better understand interconnected dynamic of epistasis and environment and look for novel regulators. For this purpose we investigated 534 spring barley MAGIC DH lines for flowering time at various environments. Analysis of QTL, epistatic interaction, QTL × environment (Q×E) and epistasis × environment (E×E) interactions were performed with single SNP and haplotype approaches. In total, 18 QTL and 2,420 epistatic interactions were detected including intervals harboring major genes such as Ppd-H1, Vrn-H1, Vrn-H3 and denso/swd1. Epistatic interactions found in field and semi-controlled conditions were distinctive. Q×E and E×E interactions revealed that temperature influenced flowering time by triggering different interactions between known and newly-detected regulators. A novel flowering-delaying QTL allele could be identified on chromosome 1H (named "HvHeading") that was shown to be engaged in epistatic and environment interactions. Results suggest that investigating epistasis, environment and their interactions, rather than only single QTL is an effective approach for detecting novel regulators. We assume that barley can adapt the time of flowering to the environment through alternative routes within the pathway.
Long-time Delays in Induced Earthquakes Caused by Low-Permeability Bodies: Insights from the Xinfengjiang Reservoir, China
<p>This version adds waveforms of the catalog earthquakes from 2014 to 2018.</p>
rOMT processed data: Cerebral amyloid angiopathy is associated with glymphatic transport reduction and time-delayed solute drainage along the neck arteries
<p>This dataset contains the speed map and Péclet map data processed by regularized optimal mass transport method (<a href="https://zenodo.org/record/5809635#.YczuJy2ZNBw">https://zenodo.org/record/5809635#.YczuJy2ZNBw</a>, <a href="https://github.com/xinan-nancy-chen/rOMT">https://github.com/xinan-nancy-chen/rOMT</a>).</p> <p>All files are in nifty format. This dataset contains in total 55 rat cases which are divided by age (3-month, 6-month and 12-month) and status of health ("WT" for wild-type and "CAA" for those who have developed Cerebral Amyloid Angiopathy).</p>
Influence of Feedback Phase on Time Delay Signature and Chaos Bandwidth in a Laser subject to Dual Optical Feedback
<p>This archive provides all the data and information needed to reproduce the simulation results from the paper titled "Influence of Feedback Phase on Time Delay Signature and Chaos Bandwidth in a Laser subject to Dual Optical Feedback". You can access the paper on ArXiv: https://arxiv.org/abs/2311.14449</p> <p> </p> <p> </p>
Exponential Synchronization of BAM Neural Networks with Delay on Arbitrary Time Domains
<p>Code to reproduce the plots presented in our manuscript ``Exponential Synchronization of BAM Neural Networks with Delay on Arbitrary Time Domains''. </p>
Optimal Delay Time to Initiate Anticoagulation After Ischemic Stroke in Atrial Fibrillation
ClinicalTrials.gov study NCT03021928. IPD Sharing: NO. Countries: 1. Publications: 16.
Dinner Time 2: Effect of Delayed Eating or Sleeping on Metabolism
ClinicalTrials.gov study NCT04671797. IPD Sharing: YES. Countries: 1. Publications: 1.
The Effect of Joint Hypermobility Syndrome on Delayed Onset of Muscle Soreness and Recovery Time
ClinicalTrials.gov study NCT04934267. IPD Sharing: NO. Countries: 1. Publications: 5.
Flashed Light Therapy for Adolescents With ADHD and Delayed Sleep Timing
ClinicalTrials.gov study NCT06036420. IPD Sharing: NO. Countries: 1. Publications: 1.
Data from: Delayed timing of breeding as a cost of reproduction
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Data from: How do habitat amount and habitat fragmentation drive time-delayed responses of biodiversity to land-use change?
Open the record for dataset details and reuse information.
Data from: Phenological delay despite warming in wood frog (Rana sylvatica) reproductive timing: a 20-year study
Open the record for dataset details and reuse information.
Data from: Effect of epistasis and environment on flowering time of barley reveals novel flowering-delaying QTL allele
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Data from: Delayed chemical defense: timely expulsion of herbivores can reduce competition with neighboring plants
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Data from: Public health and cost consequences of time delays to thrombectomy for acute ischemic stroke
<p><b>Objective: </b>To determine public health and cost consequences of time delays to EVT for patients, healthcare systems, and society, we estimated quality-adjusted life years (QALY) of EVT-treated patients and associated costs based on times to treatment.</p> <p><b>Methods: </b>The Markov model analysis was performed from United States healthcare and societal perspectives over a lifetime horizon. Contemporary data from seven trials within the HERMES collaboration served as data source. Aside from cumulative lifetime costs, we calculated the net monetary benefit (NMB) to determine the economic value of care. We used a contemporary willingness-to-pay threshold of $100,000 per QALY for NMB calculations.</p> <p><b>Results:</b><b> </b>Every 10 minutes of earlier treatment resulted in an average gain of 39 days (95% prediction interval: 23-53 days) of disability-free life. Overall, the cumulative lifetime costs for patients with earlier or later treatment were similar. Patients with later treatment had higher morbidity-related costs yet over a shorter time span due to their shorter life expectancy, resulting in similar lifetime costs as in patients with early treatment. Regarding the economic value of care, every 10 minutes of earlier treatment increased the NMB by $10,593 (95% prediction interval: $5,549-$14,847) and by $10,915 (95% prediction interval: $5,928-$15,356) taking healthcare and societal perspectives, respectively.</p> <p><b>Conclusions: </b>Any time delay to EVT reduces QALYs and decreases the economic value of care provided by this intervention. Healthcare policies to implement efficient pre-hospital triage and accelerate in-hospital workflow are urgently needed.</p>
Pre-analytical validity of arterial blood gas samples: A prospective experimental study on changes derived from time delay and mechanical stress
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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.