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Figure 5 in Comparative anatomical studies on the cranial nerves of the fully formed embryos of the Nile tilapia Oreochromis niloticus (Ostiechthyes-Cichlidae). I. Nervus glossopharyngeus
Figure 5. Photomicrograph of part of a transverse section of Oreochromis niloticus passing through the postotic region showing the petrosal ganglion and the origin of the rami pretrematic and posttrematic of nervus glossopharyngeus from the ganglion. The sympathetic nerve and sympathetic branch are also shown. X60.
Figure 2 in Comparative anatomical studies on the cranial nerves of the fully formed embryos of the Nile tilapia Oreochromis niloticus (Ostiechthyes-Cichlidae). I. Nervus glossopharyngeus
Figure 2. Photomicrograph of part of a transverse section of Oreochromis niloticus passing through the postorbital region showing the origin of the root of nervus glossopharyngeus. X40.
Figure 4 in Comparative anatomical studies on the cranial nerves of the fully formed embryos of the Nile tilapia Oreochromis niloticus (Ostiechthyes-Cichlidae). I. Nervus glossopharyngeus
Figure 4. Photomicrograph of part of a transverse section of Oreochromis niloticus through the postotic region showing the position of the glossopharyngeal nerve extracranially. X60. AU.C. Auditory capsule.EXO. Exooccipital bone.F.GP. Glossopharyngeal foramen. IJV.internal jugular vein.G.EB.X 1 The epibranchial ganglion of the 1st branchial vagal trunk.G.EB.X The epibranchial ganglion 2 of the 2nd branchial vagal trunk. MO. Medulla Oblongata. N.CSY. Cranial sympathetic nerve. N.IX Nervus glossopharyngeus RO.IX Glossopharyngeal root.
◂Fig. 6 Gynoecial development, fruit and seedling of C. crenata %yellow frames), C. cf. grandicalyx %blue frames) and C. sinensis %pink frames; A–F light microscopy, G–K stereo microscopy of endocarp, mesocarp removed; L–O field images; TS in horizontal orientation). A, B TS of anthetic flower %note two to three abortive ovules and strongly stained, peripheral tissue). C, D TS of anthetic flower %note two to three abortive ovules and lignifying portions of prospective mesocarp). E Young fruit %note developing endocarp and flashily pink portions of the mesocarp). F TS of postanthetic flower %note three abortive ovules and lignifying portions of prospective mesocarp). G TS of endocarp, with three developed embryos removed %note scanty endosperm). H Endocarp. J TS of endocarp. K Endocarp. L Immature fruits. M Mature fruits. N Seedlings %note short hypocotyl and long petioles of cotyledons). O Seedlings %note long hypocotyl and short petioles of cotyledons; image taken from cultivated plant, accession number 2012–0005, in the Botanical Garden Munich) %LS, longisection; TS, transverse section; ao, abortive ovule; cot, cotyledon; db, dorsal bundle; c, calyx; ec, endocarp; ens, endosperm; ex, exocarp; fr, fruit; h, hypocotyl; int, integument; lb, lateral bundle; mc, mesocarp; o, ovule; pet, petiolus; sty, style; ut, peripheral tissue; vs, ventral slit) in Observations on flower and fruit anatomy in dioecious species of Cordia (Cordiaceae, Boraginales) with evolutionary interpretations
◂Fig. 6 Gynoecial development, fruit and seedling of C. crenata %yellow frames), C. cf. grandicalyx %blue frames) and C. sinensis %pink frames; A–F light microscopy, G–K stereo microscopy of endocarp, mesocarp removed; L–O field images; TS in horizontal orientation). A, B TS of anthetic flower %note two to three abortive ovules and strongly stained, peripheral tissue). C, D TS of anthetic flower %note two to three abortive ovules and lignifying portions of prospective mesocarp). E Young fruit %note developing endocarp and flashily pink portions of the mesocarp). F TS of postanthetic flower %note three abortive ovules and lignifying portions of prospective mesocarp). G TS of endocarp, with three developed embryos removed %note scanty endosperm). H Endocarp. J TS of endocarp. K Endocarp. L Immature fruits. M Mature fruits. N Seedlings %note short hypocotyl and long petioles of cotyledons). O Seedlings %note long hypocotyl and short petioles of cotyledons; image taken from cultivated plant, accession number 2012–0005, in the Botanical Garden Munich) %LS, longisection; TS, transverse section; ao, abortive ovule; cot, cotyledon; db, dorsal bundle; c, calyx; ec, endocarp; ens, endosperm; ex, exocarp; fr, fruit; h, hypocotyl; int, integument; lb, lateral bundle; mc, mesocarp; o, ovule; pet, petiolus; sty, style; ut, peripheral tissue; vs, ventral slit)
◂Fig. 3 Gynoecium of C. crenata %yellow frames), C. cf. grandicalyx %blue frames) and C. sinensis %pink frames; A, B stack shot images; C–K light microscopy; G polarised light; TS in horizontal orientation). A, B Anthetic female flower, calyx and corolla partly removed. B LS of gynoecium. C LS of functionally female flower %note strongly stained peripheral tissue of corolla, anther and gynoecium). D LS of gynoecium. E, F TS of functionally female flower %note strongly stained, peripheral tissue). G TS of functionally female flower %note crystal deposition). H LS of ovule %note stalked embryo sac). J TS of functionally male flower with non-functional ovules. K LS of functionally male flower %style lacking, original position indicated by an asterisk) %LS, longisection; TS, transverse section; a,anther; bs, basal septum; c, calyx; car, carpel; co, corolla; db, dorsal bundles; es, embryo sac; fs, false septum; lb, lateral bundles; o, ovule; stg, stigma; sty, style; t, trichomes; tt, transmission tissue; ut, peripheral, strongly stained tissue; vb, ventral bundles; vs, ventral slit) in Observations on flower and fruit anatomy in dioecious species of Cordia (Cordiaceae, Boraginales) with evolutionary interpretations
◂Fig. 3 Gynoecium of C. crenata %yellow frames), C. cf. grandicalyx %blue frames) and C. sinensis %pink frames; A, B stack shot images; C–K light microscopy; G polarised light; TS in horizontal orientation). A, B Anthetic female flower, calyx and corolla partly removed. B LS of gynoecium. C LS of functionally female flower %note strongly stained peripheral tissue of corolla, anther and gynoecium). D LS of gynoecium. E, F TS of functionally female flower %note strongly stained, peripheral tissue). G TS of functionally female flower %note crystal deposition). H LS of ovule %note stalked embryo sac). J TS of functionally male flower with non-functional ovules. K LS of functionally male flower %style lacking, original position indicated by an asterisk) %LS, longisection; TS, transverse section; a,anther; bs, basal septum; c, calyx; car, carpel; co, corolla; db, dorsal bundles; es, embryo sac; fs, false septum; lb, lateral bundles; o, ovule; stg, stigma; sty, style; t, trichomes; tt, transmission tissue; ut, peripheral, strongly stained tissue; vb, ventral bundles; vs, ventral slit)
Fig. 2. Kaplan-Meier survival curve for Trophon geversianus embryos. Temperature treatments were 13 in Positive association between PTN polymorphisms and schizophrenia in Northeast Chinese Han population.
Fig. 2. Kaplan-Meier survival curve for Trophon geversianus embryos. Temperature treatments were 13°C, 18°C and 22°C versus the experiment duration, 90 days (N = 150, 50 egg capsules for each experimental temperature). Log-rank test: 13°C vs 18°C p <0.0001; 13°C vs 22°C p <0.0001; 18°C vs 22°C p <0.0001.
Updated spiny mouse transcriptome assembly (now includes embryo-specific transcripts)
<p><strong>Summary</strong></p> <p>Updated spiny mouse transcriptome. Embryo-specific contigs generated from BioProject PRJNA436818 were added to the Trinity_v2.3.2 spiny mouse <em>de novo </em>transcriptome assembly (https://doi.org/10.5281/zenodo.808870).</p> <p> </p> <p><strong>Methods</strong></p> <p>Embryos were collected from female spiny mice (n=12) in accordance with the Australian Code of Practice for the Care and Use of Animals for Scientific Purposes with approval from the Monash Medical Centre Animal Ethics Committee. Female dams were staged from delivery of their previous litter (spiny mice conceive their next litter approximately 12h postpartum) and culled at specific time-points for embryo retrieval at the required stage: 2-cell at 48h postpartum (n=4), 4-cell at 52h postpartum ('early' 4-cell; n=2) or at 68h postpartum ('late 4-cell'; n=2), and 8-cell at 72h postpartum (n=4). Embryos were snap frozen in cell lysis solution per the Nugen SoLo protocol (version M01406v3; available from NuGEN). After ligation of cDNA, qPCR was performed on all samples to determine the number of amplification cycles required to ensure that amplification was in the linear range. Based on these results, each sample was amplified using 24 cycles. Final libraries were quantitated by Qubit and size profile determined by the Agilent Bioanalyzer. All libraries were in the expected size range (~320-360 bp). Custom 'AnyDeplete' rRNA depletion probes were designed and produced by NuGEN Technologies, Inc (San Carlos, CA, USA) using rRNA sequences from our reference transcriptome (Mamrot et al., 2017; https://doi.org/10.5281/zenodo.808870). Prior to use, efficacy and off-target effects of the rRNA depletion probes were examined <em>in silico</em> by NuGEN. Samples were loaded using c-Bot (200pM per library pool) and run on 2 lanes of an Illumina HiSeq 3000 8-lane flow-cell. PhiX spike-in was not used directly due to incompatibility with the custom rRNA depletion probes, however it was incorporated into other lanes of the same HiSeq 3000 run. RNA-Seq data (100bp, paired-end reads) are available from the NCBI as Bioproject PRJNA436818.</p> <p>The quality of RNA-Seq reads was assessed using FastQC v0.11.6 (<a href="https://github.com/s-andrews/FastQC">https://github.com/s-andrews/FastQC</a>; 50f0c26), with MultiQC v1.4 (<a href="https://github.com/ewels/MultiQC">https://github.com/ewels/MultiQC</a>; baefc2e) reports available from Github (<a href="https://github.com/jpmam1">https://github.com/jpmam1</a>) (Ewels et al., 2016). Adapter sequences were trimmed from the reads using trim-galore v0.4.2 (<a href="https://github.com/FelixKrueger/TrimGalore">https://github.com/FelixKrueger/TrimGalore</a>; d6b586e), implementing cutadapt v1.12 (<a href="https://github.com/marcelm/cutadapt">https://github.com/marcelm/cutadapt</a>; 98f0e2f). Reads with a quality scores lower than 20 and read pairs in which either forward or reverse reads were trimmed to fewer than 35 nucleotides were discarded. Further trimming of poor quality reads was conducted using Trimmomatic v0.36 (<a href="http://www.usadellab.org/cms/index.php?page=trimmomatic">http://www.usadellab.org/cms/index.php?page=trimmomatic</a>) with settings "LEADING:3 TRAILING:3 SLIDINGWINDOW:4:20 AVGQUAL:25 MINLEN:35" (Bolger et al., 2014). Nucleotides with quality scores lower than 3 were trimmed from the 3’ and 5’ read ends. Reads with an average quality score lower than 25 or with a length of fewer than 35 nucleotides after trimming were removed. Error correction of reads was performed using Rcorrector v1.0.2 (<a href="https://github.com/mourisl/Rcorrector">https://github.com/mourisl/Rcorrector</a>; 144602f) (Song et al., 2015). FastQC was used to assess the improvement in read quality after trimming adapter removal; MultiQC reports are available from Github (<a href="https://github.com/jpmam1">https://github.com/jpmam1</a>).</p> <p>Error corrected reads were assembled using Trinity v2.4.0 (<a href="https://github.com/trinityrnaseq/trinityrnaseq">https://github.com/trinityrnaseq/trinityrnaseq</a>; 1603d80) with settings "--max_memory 400G, --CPU 32 and --full_cleanup" (Haas et al., 2013). Assembly statistics were computed using the TrinityStats.pl from the Trinity package, and summary statistics are provided in Table S1. All reads were aligned to this transcriptome assembly using Bowtie2 v2.2.5 (<a href="https://github.com/BenLangmead/bowtie2">https://github.com/BenLangmead/bowtie2</a>; e718c6f) with settings: "--end-to-end, --score-min L,-0.1,-0.1, --no-mixed, --no-discordant, -k 100, -X 1000, --time, -p 24" (Langmead & Salzberg, 2012).</p> <p>Read-supported contigs were identified within the embryo-specific Trinity <em>de novo </em>transcriptome assembly using samtools "idxstats" v1.5 (contigs with >=1 reads aligning were retained) (<a href="https://github.com/samtools/samtools">https://github.com/samtools/samtools</a>; f510fb1) (Li et al., 2009). The read-supported contigs from the embryo-specific assembly (n=54,660) were added to the reference spiny mouse transcriptome assembly previously described (Mamrot, J., Legaie, R., Ellery, S.J., Wilson, T., Seemann, T., Powell, D.R., Gardner, D.K., Walker, D.W., Temple-Smith, P., Papenfuss, A.T. and Dickinson, H., 2017. De novo transcriptome assembly for the spiny mouse (Acomys cahirinus). Scientific Reports, 7(1), p.8996).</p> <p>The updated transcriptome is comprised of 2,274,638 transcripts in total.</p>
Time-lapse (4D) volumetric fluorescence microscopy image sequence of a living zebrafish embryo
<p>The dataset contains a time-lapse (4D) volumetric fluorescence microscopy image sequence of a living zebrafish embryo (cxcr4aMO). The sequence has been captured with a confocal laser-scanning microscope during zebrafish gastrulation and shows endodermal cells that have been fluorescently labelled.</p> <p>The sequence is best viewed with Fiji (https://fiji.sc/) and can be loaded into Matlab with tiffread.m (http://www.cytosim.org/misc/index.html).</p> <p>For the treatment of the specimen see:</p> <p>S. Nair and T. F. Schilling. Chemokine signaling controls endodermal migration during zebrafish gastrulation. Science, 322(5898):89–92, October 2008.</p>
Images and supporting data for high-resolution μCT of a mouse embryo using a compact laser-driven x-ray betatron source
<p>A high resolution x-ray CT scan of an embryonic mouse sample was performed with the betatron x-ray source produced by a laser wakefield accelerator. This data deposition includes all of the raw images of the mouse sample, information regarding their indexing, featured slices of the tomogram and some further raw data regarding the x-ray source characterisation.</p>
HRAS_GFP zebrafish Embryo z-stack and 3D reconstruction visualized through LSFM
<p>A 2dpf zebrafish larvae is imaged through a custom developed LSFM setup developed at ICFO, at the Super-resolution Light microscopy and Nanoscopy (SLN) facility, with a resolution of 1 um, and with a double illumnation scheme.</p> <p>Pixel size is 0.43 um. Voxel depth is 2 um.</p> <p>The transgenic line is expressing HRAS_GFP labeling.</p> <p>The z-stack and corresponding 3D reconstruction are showed.</p> <p> </p> <p> </p>
Microscopy image sequences and annotated kymographs of laser ablation experiments in Drosophila embryos
<p><strong>Content</strong></p> <p>This dataset contains 15 2D time-lapse fluorescence microscopy image sequences recorded with confocal laser-scanning microscopy. Each movie shows an epithelial tissue laser nanoablation experiment conducted in a Drosophila embryo.</p> <p>For each sequence, the dataset contains kymographs (one-dimensional space-time plots) of a supracellular cable that is cut during the ablation, and manually created tracks of visible features, such as the resulting cut ends. These tracks allow to estimate, for instance, recoil velocities of the cut tissue and may be used to evaluate automated methods for estimating said velocities.</p> <p>This dataset is used in the manuscript to evaluate various variational approaches for joint motion estimation and source identification:</p> <p>L. F. Lang, N. Dutta, E. Scarpa, B. Sanson, C.-B. Schönlieb, and J. Étienne. Joint Motion Estimation and Source Identification using Convective Regularisation with an Application to the Analysis of Laser Nanoablations. 2019.</p> <p><strong>Description</strong></p> <p>The movies depict a square region of approximately <span class="math-tex">\(42.2 \times 42.2 \, \mathrm{\mu m}^{2}\)</span> at a spatial resolution of <span class="math-tex">\(250 \times 250\)</span> pixels. A typical sequence contains between 60 and 100 frames. They temporal interval between recorded frames was <span class="math-tex">\(727.67 \, \mathrm{ms}\)</span>.</p> <p>Each sequence features cell membranes labelled with E-cadherin:GFP and shows a single plasma-induced laser nanoablation. The destructed tissue region is roughly of <span class="math-tex">\(2 \, \mathrm{\mu m}\)</span> length. This ablation is expected to have a width of the order of the size of one pixel. During the ablation the acquisition is paused, resulting in a black image.</p> <p>For the used microscopy techniques and for the preparation of flies, as well as for the details of the laser ablation method, see the paper:</p> <p>E. Scarpa, C. Finet, G. B. Blanchard, and B. Sanson. Actomyosin-driven tension at compartmental boundaries orients cell division independently of cell geometry In Vivo. Dev. Cell, 47(6):727–740.e6, December 2018. URL: <a href="https://doi.org/10.1016/j.devcel.2018.10.029">https://doi.org/10.1016/j.devcel.2018.10.029</a></p> <p>The kymographs and the manually created annotations (tracks) of features were created using Fiji (<a href="https://fiji.sc/">https://fiji.sc/</a>).</p> <p><strong>Content</strong></p> <p>The dataset contains 15 sequences placed in the following folder structure:</p> <ul> <li>SqAX3_SqhGFP42_GAP43_TM6B <ul> <li>190216E4PSB1</li> <li>190216E5PSB1</li> <li>190216E5PSB2</li> <li>190216E6PSB1</li> <li>190216E8PSB1</li> <li>E2PSB1</li> <li>E5PSB2</li> <li>E8PSB1</li> <li>PSB1E1</li> <li>PSB4</li> </ul> </li> <li>SqhGFP40 <ul> <li>e1_PSB8</li> <li>e3_PSB9</li> <li>e3_PSB10</li> <li>e4_PSB11</li> <li>e4_PSB12</li> </ul> </li> </ul> <p>Each folder contains:</p> <ul> <li>The sequence itself in TIF format, e.g. "190216E4PSB1PMT - PMT [560-] _C1.ome.tif".</li> <li>A file "reslice.roi" that indicates the location/direction of the cut supracellular cable.</li> <li>3 different kymographs for each sequence obtained by taking avg/max/sum projections in Fiji orthogonal to the line specified in "reslice.roi", e.g. <ul> <li>"AVG_Reslice of 190216E4PSB1PMT.tif",</li> <li>"MAX_Reslice of 190216E4PSB1PMT.tif",</li> <li>"SUM_Reslice of 190216E4PSB1PMT.tif".</li> </ul> </li> <li>Text files that state the time/space coordinates of manually tracked features in the kymographs, e.g. <ul> <li>"cutend_L.txt" (coordinates of the left cut end after the ablation),</li> <li>"cutend_R.txt" (coordiantes of the right cut end),</li> <li>"feat_X.txt" (coordinates of additional features, where X is a number and L or R).</li> </ul> </li> <li>A ZIP file "manual_ROIs.zip" that contains all the coordinates of tracked features of the kymograph in ROI format (e.g. "cutend_L.roi").</li> </ul> <p><strong>Usage</strong></p> <p>The sequences, kymographs, and the tracks can be viewed using, for example, Fiji.</p> <p>For the automated analysis, see the Python code that accompanies the manuscript above. It is available at https://dx.doi.org/XXX</p> <p><strong>License information</strong></p> <p>This dataset is released under Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. See <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/">CC BY-NA-SC 4.0</a>.</p> <p><strong>How to cite this dataset</strong></p> <p>If you use this dataset in an academic publication, please consider citing the paper:</p> <p>L. F. Lang, N. Dutta, E. Scarpa, B. Sanson, C.-B. Schönlieb, and J. Étienne. Joint Motion Estimation and Source Identification using Convective Regularisation with an Application to the Analysis of Laser Nanoablations. 2019.</p> <p>To cite solely the dataset, please use:</p> <p>L. F. Lang, N. Dutta, E. Scarpa, B. Sanson, C.-B. Schönlieb, and J. Étienne. (2019). Microscopy image sequences and annotated kymographs of laser ablation experiments in Drosophila embryos [Data set]. Zenodo. <a href="https://doi.org/10.5281/zenodo.3257654">http://doi.org/10.5281/zenodo.3257654</a></p>
Fig. 4 in On the largest Ichthyosaurus: A new specimen of Ichthyosaurus somersetensis containing an embryo
Fig. 4. Right forefin of Ichthyosaurus somersetensis Lomax and Massare, 2017 (NLMH 106234) from the Lower Jurassic (lower Hettangian) of Doniford Bay, Watchet, Somerset, UK; in dorsal view (anterior to the right). Grey indicates plaster filler (elements are not genuine); black indicates crushed and displaced portion of humerus. Arrow points to bifurcation. Photograph (A), explanatory drawing (B).
Fig. 7 in On the largest Ichthyosaurus: A new specimen of Ichthyosaurus somersetensis containing an embryo
Fig. 7. Embryo of Ichthyosaurus somersetensis Lomax and Massare, 2017 (NLMH 106234) from the Lower Jurassic (lower Hettangian) of Doniford Bay, Watchet, Somerset, UK. A. Articulated vertebral column, isolated forefin, probable scapula (white arrow), ribs, and isolated centra. B. Close-up of the forefin. Arrows point to probable notching of the?radiale,?distal carpal, and?metacarpal.
Fig. 5 in On the largest Ichthyosaurus: A new specimen of Ichthyosaurus somersetensis containing an embryo
Fig. 5. Close-up of some mid-posterior dorsal vertebrae of Ichthyosaurus somersetensis Lomax and Massare, 2017 (NLMH 106234) from the Lower Jurassic (lower Hettangian) of Doniford Bay, Watchet, Somerset, UK; showing the unusual V-shape morphology of the neural spine apices. Note, the second, third, and fourth neural spine from the left are mostly reconstructed and the morphology is not genuine.
FIGURE 3 in Physiological parameters of Brazilian silverside, Atherinella brasiliensis, embryos exposed to different salinities
FIGURE 3 | Heartbeats of Atherinella brasiliensis embryos between 96hpf and 216hpf raised in salinities from 10 to 35 (p <0.05).
FIGURE 4 in Physiological parameters of Brazilian silverside, Atherinella brasiliensis, embryos exposed to different salinities
FIGURE 4 | Relative expression of cftr in Atherinella brasiliensis larvae exposed to salinities 10–35.
FIGURE 2 in Physiological parameters of Brazilian silverside, Atherinella brasiliensis, embryos exposed to different salinities
FIGURE 2 | Egg chorion of Atherinella brasiliensis seen in scanning electron microscope (SEM). A. The chorion of Brazilian silverside composed of several layers. B. Detail of the filament layers. C. Image of the filament of the chorion. D. Detail of the ring formation at the base of the filament.
FIGURE 1 in Physiological parameters of Brazilian silverside, Atherinella brasiliensis, embryos exposed to different salinities
FIGURE 1 | Number of eggs of Atherinella brasiliensis laid daily in a period of 52 days from adults maintained in salinity 20 ±1.
FIGURE 4 in Morphological variations in Cycloclypeus carpenteri: Multiple embryos and multiple equatorial layers
FIGURE 4. Relative position of embryos and secondary equatorial layers: 1) Specimen A2; 2) specimen A3; 3) specimen A6; 4) specimen A14.
FIGURE 1. Specimen A1 in Morphological variations in Cycloclypeus carpenteri: Multiple embryos and multiple equatorial layers
FIGURE 1. Specimen A1: 1) equatorial and axial sections of one specimen.; 2) equatorial view of the test; 3) lateral view of the test; 4) close-up to the nepiont and the first chambers in equatorial section; 5) segmentation of the entire nepiont. For more information, refer to text.
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.