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2,960 results for “elements”
Eight Mile Lake Research Watershed, Thaw Gradient: Foliar mineral element concentrations, stocks and annual litterfall fluxes estimated for July 2017
In this study, we are asking the question: how permafrost degradation may influence foliar mineral element cycling with changing subarctic tundra vegeatation? We are answering this question by using a combination of field measurements (aboveground biomass, foliar biomass, foliar net primary productivity (NPP)) and laboratory measurements (mineral element foliar concentration: Al, Ca, Fe, K, Mn, P, S, Si, and Zn) to evaluate the mineral element foliar stocks and the mineral element foliar fluxes upon annual litterfall. We covered 7 vascular plant species and 2 groups of non-vascular species (mosses and lichens) from an established tundra field site near Healy, Alaska in the foothills of the Alaska Range. Field measurements center on a natural experiment where permafrost has been observed to warm and thaw over the past several decades. This area represents a gradient of sites each with a different degree of change (active layer, water table depth, and vegetation composition) due to permafrost thawing. As such, this area is unique for addressing questions at the time and spatial scales relevant for change in arctic ecosystems. Elemental analyses of plant species typical from a moist acidic tundra, combined with aboveground biomass and NPP measurements, brought key information on the influence of the vegetation composition on the litter elemental composition, and thereby the plant nutrient cycling across the subarctic tundra.
Climate Change Across Seasons Experiment (CCASE) at the Hubbard Brook Experimental Forest; concentrations of foliar metabolites: polyamines, amino acids, chlorophyll, carotenoids, soluble proteins, soluble elements, sugars, and total nitrogen and carbon in red maple (Acer rubrum) trees.
Foliage was collected in 2015 and 2017 from red maple trees at the Climate Change Across Seasons Experiment (CCASE) as part of the Hubbard Brook Ecosystem Study (HBES). Analyses of foliar metabolites include polyamines, amino acids, chlorophylls, carotenoids, soluble proteins, soluble inorganic elements, sugars, and total nitrogen and carbon. There are six (11 x 14m) plots in total in this study; two control (plots 1 and 2), two warmed 5 degrees (°) Celsius (C) above ambient throughout the growing season (plots 3 and 4), and two warmed 5 °C in the growing season, with snow removal during the winter to induce soil freezing and then warmed with buried heating cables to create a subsequent thaw (plots 5 and 6). Each soil freeze/thaw cycle includes 72 hours of soil freezing followed by 72 hours of thaw. Four kilometers (km) of heating cable are buried in the soil to warm these four plots. Together, these treatments led to warmer growing season soil temperatures and an increased frequency of soil freeze-thaw cycles (FTCs) in winter. Our goal was to determine how these changes in soil temperature affect foliar nitrogen (N) and carbon metabolism of red maple trees. These data were gathered as a collaborative effort at the Hubbard Brook Experimental Forest, which is operated and maintained by the USDA Forest Service, Northern Research Station.
Data supplement for Wind Energy Science Paper 'Implementation of the blade element momentum model on a polar grid and its aeroelastic load impact'
<p>Contains the data for most figures in the article, as well as a plotting file written in python that generates the figures.</p>
Index and biological spectrum of accessible DNA elements in the human genome
<p>Data associated with the manuscript titled<br> "Index and biological spectrum of accessible DNA elements in the human genome"<br> <a href="https://doi.org/10.1101/822510">https://doi.org/10.1101/822510</a></p> <p>Code repositories for these data are available here:</p> <ul> <li>https://github.com/Altius/Index</li> <li>https://github.com/Altius/Vocabulary</li> </ul> <p><br> Tab-separated file with DNase I Hypersensitive Site (DHS) coordinates,<br> including DHS summits and core regions and assignments to regulatory components.<br> A separate legend file describes the contents of each column in more detail.</p> <ul> <li>DHS_Index_and_Vocabulary_hg38_WM20190703.txt.gz</li> <li>DHS_Index_and_Vocabulary_hg19_WM20190703.txt.gz (mapped using liftOver, not ideal)</li> <li>DHS_Index_and_Vocabulary_legend.txt</li> </ul> <p> </p> <p>Metadata files describing biosample characteristics and annotations,<br> provided in HTML, PDF, TSV and Excel formats:</p> <ul> <li>DHS_Index_and_Vocabulary_metadata.html</li> <li>DHS_Index_and_Vocabulary_metadata.pdf</li> <li>DHS_Index_and_Vocabulary_metadata.tsv</li> <li>DHS_Index_and_Vocabulary_metadata.xlsx</li> </ul> <p> </p> <p>Presence/absence matrix of DHSs (rows) versus biosamples (columns),<br> provided in RData, MatrixMarket and raw formats:</p> <ul> <li>dat_bin_FDR01_hg38.RData</li> <li>dat_bin_FDR01_hg38.mtx.gz</li> <li>dat_bin_FDR01_hg38.txt.gz</li> <li>dat_bin_FDR01_hg19.RData (mapped using liftOver, not ideal)</li> <li>dat_bin_FDR01_hg19.txt.gz (mapped using liftOver, not ideal)</li> </ul> <p> </p> <p>Normalized DNase-seq signal matrix of DHSs (rows) versus biosamples (columns),<br> provided in RData and raw formats:</p> <ul> <li>dat_FDR01_hg38.RData</li> <li>dat_FDR01_hg38.txt.gz</li> </ul> <p>The order of DHSs (rows) is the same as in the DHS Index file(s) above,<br> and the order of biosamples (columns) is the same as in the metadata files.</p> <p> </p> <p>Non-negative Matrix Factorization (NMF) results, decomposing the presence/absence matrix (hg38) into 16 components:</p> <ul> <li>2018-06-08NC16_NNDSVD_Mixture.npy.gz</li> <li>2018-06-08NC16_NNDSVD_Basis.npy.gz</li> </ul> <p> </p> <p>Putative transcription factor-specific regulatory elements,<br> identified using DHS Vocabulary components, TF motif databases and biosample-specific footprinting data:</p> <ul> <li>TF_associated_DHSs_hg38.tar.gz</li> </ul>
Finite Element model of the upper lumbar and lower thoracic spine
<p>Finite element method (FEM) model of the lumbar spine, stored in <a href="https://code-aster.org/">code_aster</a> med-file format.</p> <p>The dataset is used to develop the SODALITE virtual clinical trial use-case. It contains a FEM-model of a part of the lumbar spine. Modelled are a part of the vertebra L2, the vertebra L1 and the intervertebral disc between them. The model is generated based on the coresponding computer tomographic imaging <a href="https://doi.org/10.5281/zenodo.3959070">volume dataset</a> and <a href="https://doi.org/10.5281/zenodo.3961270">iso-surface</a>.</p> <p>The datasets' content is illustrated by the attached png image which shows a shaded surface rendering of the dataset.</p> <p> </p>
Fruit flies can learn non-elemental olfactory discriminations
Associative learning allows animals to establish links between stimuli based on their concomitance. In the case of Pavlovian conditioning, a single stimulus A (the conditional stimulus, CS) is reinforced unambiguously with an unconditional stimulus (US) eliciting an innate response. This conditioning constitutes an 'elemental' association enabling to elicit a learnt response from A+ without US presentation after learning. However, associative learning may involve a 'complex' CS composed of several components. In that case, the compound may predict a different outcome than the components taken separately, leading to an ambiguity and requiring the animal to perform a so-called 'non-elemental' discrimination. Here we focus on such a non-elemental task, the negative patterning (NP) problem, and provide the first evidence of NP solving in Drosophila. We show that Drosophila learn to discriminate a simple component (A or B) associated to electric shocks (+) from an odour mixture composed either partly (called 'feature-negative discrimination' A+ vs. AB-) or entirely (called 'NP' A+B+ vs. AB-) of the shock associated components. Furthermore, we show that conditioning repetition results in a transition from an elemental to a configural representation of the mixture required to solve the NP task, highlighting the cognitive flexibility of Drosophila.
Supplementary material for "A Partitioned Finite Element Method for power-preserving discretization of open systems of conservation laws"
<p>This archive contains supplementary material for the paper "A Partitioned Finite Element Method for power-preserving discretization of open systems of conservation laws", containing the source codes for the numerial results presented in the paper. An arXiv pre-print version of the paper is available <a href="https://arxiv.org/abs/1906.05965">here</a>.</p> <p>The following codes are provided:</p> <ul> <li> <p><code>codes/simulation1D_small.jl</code>: small amplitudes (linear) 1D simulation</p> </li> <li> <p><code>codes/simulation1D_large.jl</code>: large amplitudes (nonlinear) 1D simulation</p> </li> <li> <p><code>codes/simulation1D_analytical_gradient</code>: large amplitudes 1D simulation, but using an analytical nonlinear Hamiltonian gradient expression</p> </li> <li> <p><code>codes/simulation2D.jl</code>: large amplitudes (nonlinear) 2D simulation</p> </li> <li> <p><code>codes/convergence1D.jl</code>: convergence analysis of the 1D linear case</p> </li> <li> <p><code>codes/convergence2D.m</code>: convergence analysis of the 2D linear case</p> </li> </ul> <p>A GitHub with the codes and a few instructions on usage is available <a href="http://github.com/flavioluiz/PFEM-article-supplementary-material">here</a>.</p> <p><strong>Acknowledgements</strong></p> <p>This work has been performed in the frame of the Collaborative Research DFG and ANR project INFIDHEM, entitled "Interconnected of Infinite-Dimensional systems for Heterogeneous Media", nº ANR-16-CE92-0028. Further information is available <a href="http://websites.isae-supaero.fr/infidhem/the-project">here</a>.</p>
Comparative analyses of the Hymenoscyphus fraxineus and Hymenoscyphus albidus genomes reveals potentially adaptive differences in secondary metabolite and transposable element repertoires
<p><strong>Background </strong>The dieback epidemic decimating common ash (<em>Fraxinus excelsior</em>) in Europe is caused by the invasive fungus <em>Hymenoscyphus fraxineus</em>. In this study we analyzed the genomes of <em>H. fraxineus</em> and <em>H. albidus</em>, its native but, now essentially displaced, non-pathogenic sister species, and compared them with several other members of <em>Helotiales</em>. The focus of the analyses was to identify signals in the genome that may explain the rapid establishment of <em>H. fraxineus</em> and displacement of <em>H. albidus</em>.</p> <p><strong>Results</strong> The genomes of <em>H. fraxineus</em> and <em>H. albidus </em>showed a high level of synteny and identity. The assembly of <em>H. fraxineus </em>is 13 Mb longer than that of <em>H. albidus’, </em>most of this difference can be attributed to higher dispersed repeat content ((i.e transposable elements [TEs]) in <em>H. fraxineus</em>. In general, TE families in <em>H. fraxineus</em>showed more signals of repeat-induced point mutations (RIP) than in <em>H. albidus</em>, especially in Long-terminal repeat (LTR)/Copia and LTR/Gypsy elements. Comparing gene family expansions and 1:1 orthologs, relatively few genes show signs of positive selection between species. However, several of those that did appeared to be associated with secondary metabolite genes families, including gene families containing two of the genes in the <em>H. fraxineus-</em>specific, <em>hymenosetin </em>biosynthetic gene cluster (BGC).</p> <p><strong>C</strong><strong>onclusion </strong>The genomes of <em>H. fraxineus</em> and <em>H. albidus</em> show a high degree of synteny, and are rich in both TEs and BGCs, but the genomic signatures also indicated that <em>H. albidus</em> may be less well equipped to adapt and maintain its ecological niche in a rapidly changing environment. </p> <p><strong>Data included</strong></p> <p>This post contains the alternate structural and functional annotations of the genomes of Helotealean fungi used in the study.</p>
Discrete Element Model for subglacial till: code and data
<p>This is a permanent archive of the code and data for the Discrete Element Model, Sphere, developed by Anders Damsgaard, and used for simulations of deforming subglacial till. File is compressed in the tar.bz2 format.</p> <p>The Sphere code and documentation can be found at <a href="https://src.adamsgaard.dk/sphere/">https://src.adamsgaard.dk/sphere/</a> .</p> <p>Run sphere/python/MyVisualization.py to generate the figures in sphere/Images/.</p>
Data for the article "Commensurability between element symmetry and the number of skyrmions governing skyrmion diffusion in confined geometries"
<p>Data for the article "Commensurability between element symmetry and the number of skyrmions governing skyrmion diffusion in confined geometries" (<a href="https://arxiv.org/abs/2009.03995">[2009.03995] Commensurability governing skyrmion diffusion in confined geometries (arxiv.org)</a>)</p>
Multiple sequence alignments of full-length L1 elements with evidence of retrotransposition activity.
<p>DNA sequences for full-length L1 elements showing evidence of retrotransposition activity were aligned using MUSCLE v3.8 with default number of iterations. Manual inspection of the multiple alignments was performed with Jalview v2.11 in order to remove upstream and downstream spurious sequences.</p> <ul> <li><em>selected_active_L1sOK_aligned_trimmed.fa</em> file includes aligned DNA sequences for 86 full-length L1Hs with medium-high activity and for 1 active L1Pt (outgroup).</li> <li><em> all_active_L1sOK_aligned_trimmed.fa</em> file includes aligned DNA sequences for 143 active L1Hs and for 1 active L1Pt (outgroup).</li> </ul>
Data from: Conodont size, trophic level and the evolution of platform elements.
Conodonts are among the first vertebrates to have evolved mineralized tooth-like structures. Among these, the so-called P1 elements are known to have been used to break down food, and display a wide variety of morphologies. In particular, the repeated independent evolution of platform-like P1 elements have been suggested to correspond to similar functional constraints linked to diet. To test this hypothesis of convergence, we measured size (as element length) for various conodont taxa, and used it as a proxy for trophic level. We then tested the correlation between size and platform presence/absence, both on raw data and in a phylogenetic context. Retaining or excluding the platform traits from the character matrix has limited impact on the resulting phylogeny. Contrary to platform presence/absence, size shows no phylogenetic signal. Using the raw data, size and platform presence appear positively correlated. That correlation however is no longer significant if one corrects for the phylogeny. We conclude that platform presence cannot be explained by an enlargement of the conodont element, be it via a trophic level change or developmental constraints. This suggests that conodonts as a whole, and in particular platform-bearing conodonts, were an ecologically diverse group and that the various known platform types are likely to reflect different, rather than convergent, ecological niches.
Data from: Diversity and evolution of the transposable element repertoire in arthropods with particular reference to insects
Background: Transposable elements (TEs) are a major component of metazoan genomes and are associated with a variety of mechanisms that shape genome architecture and evolution. Despite the ever-growing number of insect genomes sequenced to date, our understanding of the diversity and evolution of insect TEs remains poor. Results: Here, we present a standardized characterization and an order-level comparison of arthropod TE repertoires, encompassing 62 insect and 11 outgroup species. The insect TE repertoire contains TEs of almost every class previously described, and in some cases even TEs previously reported only from vertebrates and plants. Additionally, we identified a large fraction of unclassifiable TEs. We found high variation in TE content, ranging from less than 6 % in the antarctic midge (Diptera), the honey bee and the turnip sawfly (Hymenoptera) to more than 58 % in the malaria mosquito (Diptera) and the migratory locust (Orthoptera), and a possible relationship between the content and diversity of TEs and the genome size. Conclusion: While most insect orders exhibit a characteristic TE composition, we also observed intraordinal differences, e.g., in Diptera, Hymenoptera, and Hemiptera. Our findings shed light on common patterns and reveal lineage-specific differences in content and evolution of TEs in insects. We anticipate our study to provide the basis for future comparative research on the insect TE repertoire.
Wide spectrum and high frequency of genomic structural variation, including transposable elements, in large double stranded DNA viruses
Our knowledge of the diversity and frequency of genomic structural variation segregating in populations of large double stranded (ds) DNA viruses is limited. Here we sequenced the genome of a baculovirus (AcMNPV) purified from beet armyworm (Spodoptera exigua) larvae at depths >195,000X using both short-read (Illumina) and long-read (PacBio) technologies. Using a pipeline relying on hierarchical clustering of structural variants (SVs) detected in individual short- and long-reads by six variant callers, we identified a total of 1,141 SVs in AcMNPV, including 464 deletions, 443 inversions, 160 duplications and 74 insertions. These variants are considered robust and unlikely to result from technical artifacts because they were independently detected in at least three long reads as well as at least three short reads. SVs are distributed along the entire AcMNPV genome and may involve large genomic regions (30,496 bp on average). We show that no less than 39.9% of genomes carry at least one SV in AcMNPV populations, that the vast majority of SVs (75%) segregate at very low frequency (<0.01%) and that very few SVs persist after 10 replication cycles, consistent with a negative impact of most SVs on AcMNPV fitness. Using short-read sequencing datasets, we then show that populations of two iridoviruses and one herpesvirus are also full of SVs, as they contain between 426 and 1102 SVs carried by 52.4 to 80.1% of genomes. Finally, AcMNPV long reads allowed us to identify 1,757 transposable elements (TEs) insertions, 895 of which are truncated and occur at one extremity of the reads. This further supports the role of baculoviruses as possible vectors of horizontal transfer of TEs. Altogether, we found that SVs, which evolve mostly under rapid dynamics of gain and loss in viral populations, represent an important feature in the biology of large dsDNA viruses.
Data from: The fire ant social supergene is characterized by extensive gene and transposable element copy number variation
In the fire ant Solenopsis invicta, a supergene composed of ~600 genes and having two variants, SB and Sb, regulates colony social form. In single queen colonies all individuals carry only the SB allele, while in multiple queen colonies, some individuals carry the Sb allele. In this study we characterized genes with copy number variation between SB and Sb-carrying individuals. We showed extensive acquisition of gene duplicates in Sb genome, with some likely involved in polygyne-related phenotypes. We found 260 genes with differences in copy number between SB and Sb, of which 239 are in greater copy number in Sb. We observed TE accumulation on Sb, likely due to the accumulation of repetitive elements on the non-recombining chromosome. We found a weak correlation between TE copy number and differential expression, suggesting some TEs may still be proliferating in Sb, however many of the duplicated TEs were already silenced. Among the 115 non-TE genes with higher copy in Sb, enzymes responsible for cuticular hydrocarbon synthesis were highly represented. These include a desaturase and an elongase; both potentially responsible for differential queen odor and likely beneficial for polygyne ants. These genes seem to have translocated into the supergene from other chromosomes and proliferated by multiple duplication events. While the presence of transposable elements (TEs) in supergenes is well documented, little is known about duplication of non-TE genes and their possible adaptive role. Overall, our results suggest that gene duplications may be an important factor leading to monogyne and polygyne ant societies.
Data from: A stable phylogenomic classification of Travunioidea (Arachnida, Opiliones, Laniatores) based on sequence capture of ultraconserved elements
Molecular phylogenetics has transitioned into the phylogenomic era, with data derived from next-generation sequencing technologies allowing unprecedented phylogenetic resolution in all animal groups, including understudied invertebrate taxa. Within the most diverse harvestmen suborder, Laniatores, most relationships at all taxonomic levels have yet to be explored from a phylogenomics perspective. Travunioidea is an early-diverging lineage of laniatorean harvestmen with a Laurasian distribution, with species distributed in eastern Asia, eastern and western North America, and south-central Europe. This clade has had a challenging taxonomic history, but the current classification consists of ~77 species in three families, the Travuniidae, Paranonychidae, and Nippononychidae. Travunioidea classification has traditionally been based on structure of the tarsal claws of the hind legs. However, it is now clear that tarsal claw structure is a poor taxonomic character due to homoplasy at all taxonomic levels. Here, we utilize DNA sequences derived from capture of ultraconserved elements (UCEs) to reconstruct travunioid relationships. Data matrices consisting of 317–677 loci were used in maximum likelihood, Bayesian, and species tree analyses. Resulting phylogenies recover four consistent and highly supported clades; the phylogenetic position and taxonomic status of the enigmatic genus Yuria is less certain. Based on the resulting phylogenies, a revision of Travunioidea is proposed, now consisting of the Travuniidae, Cladonychiidae, Paranonychidae (Nippononychidae is synonymized), and the new family Cryptomastridae Derkarabetian & Hedin, fam. n., diagnosed here. The phylogenetic utility and diagnostic features of the intestinal complex and male genitalia are discussed in light of phylogenomic results, and the inappropriateness of the tarsal claw in diagnosing higher-level taxa is further corroborated.
Distal and proximal hypoxia response elements cooperate to regulate organ-specific erythropoietin gene expression
<p>While it is well-established that distal hypoxia response elements (HREs) regulate hypoxia-inducible factor (HIF) target genes such as erythropoietin (Epo), an interplay between multiple distal and proximal (promoter) HREs has not been described so far. Hepatic Epo expression is regulated by a HRE located downstream of the <i>EPO</i> gene, but this 3' HRE is dispensable for renal <i>EPO</i> gene expression. We previously identified a 5' HRE and could show that both HREs direct exogenous reporter gene expression. Here, we show that whereas in hepatic cells the 3' but not the 5' HRE is required, in neuronal cells both the 5' and 3' HREs contribute to endogenous Epo induction. Moreover, two novel putative HREs were identified in the <i>EPO</i> promoter. In hepatoma cells HIF interacted mainly with the distal 3' HRE, but in neuronal cells HIF most strongly bound the promoter, to a lesser extent the 3' HRE, and not at all the 5' HRE. Interestingly, mutation of either of the two distal HREs abrogated HIF binding to the 3' and promoter HREs. These results suggest that a canonical functional HRE can recruit multiple, not necessarily HIF, transcription factors to mediate HIF binding to different distant HREs in an organ-specific manner.</p>
Elemental vacancy diffusion database from high-throughput first-principles calculations for fcc and hcp structures
<p><br /> This work demonstrates how databases of diffusion-related properties can be developed from high-throughput ab initio calculations. The formation and migration energies for vacancies of all adequately stable pure elements in both the face-centered cubic (fcc) and hexagonal close packing (hcp) crystal structures were determined using ab initio calculations. For hcp migration, both the basal plane and z-direction nearest-neighbor vacancy hops were considered. Energy barriers were successfully calculated for 49 elements in the fcc structure and 44 elements in the hcp structure. These data were plotted against various elemental properties in order to discover significant correlations. The calculated data show smooth and continuous trends when plotted against Mendeleev numbers. The vacancy formation energies were plotted against cohesive energies to produce linear trends with regressed slopes of 0.317 and 0.323 for the fcc and hcp structures respectively. This result shows the expected increase in vacancy formation energy with stronger bonding. The slope of approximately 0.3, being well below that predicted by a simple fixed bond strength model, is consistent with a reduction in the vacancy formation energy due to many-body effects and relaxation. Vacancy migration barriers are found to increase nearly linearly with increasing stiffness, consistent with the local expansion required to migrate an atom. A simple semi-empirical expression is created to predict the vacancy migration energy from the lattice constant and bulk modulus for fcc systems, yielding estimates with errors of approximately 30%.</p> <p>Files:</p> <p>figure_excel_files.zip:</p> <p>Excel files for figures in the publication, and excel files of main data tables for FCC and HCP vacancy formation energies and vacancy migration energies.</p> <p>fcc_hvf_hvm.tar.gz and hcp_hvf_hvm.tar.gz:</p> <p>Raw VASP files corresponding to FCC and HCP vacancy formation energies and vacancy migration energies.<br /> <br /> bulk_modulus.tar.gz:</p> <p>Raw VASP files corresponding to FCC bulk modulus calculations.<br /> </p>
Data and plotting scripts used in "High level implementation of geometric multigrid solvers for finite element problems: applications in atmospheric modelling"
<p>Raw performance data and plotting scripts used to generate the figures in the paper "High level implementation of geometric multigrid solvers for finite element problems: applications in atmospheric modelling"</p>
Data and plotting scripts used in "High level implementation of geometric multigrid solvers for finite element problems: applications in atmospheric modelling"
<p>Raw performance data and plotting scripts used to generate the figures in the paper "High level implementation of geometric multigrid solvers for finite element problems: applications in atmospheric modelling"</p> <p>A previous version of this dataset (corresponding to an earlier revision of the paper) is available as https://doi.org/10.5281/zenodo.50533.</p>
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.