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Dataset results
268 results for “pyramiding”
POWER PYRAMID OF THE CALUSA TRIBE TO THE MID-XVI CENTURY
<p>Power pyramid of the Calusa (Caluza) tribe to the mid-16th (mid-XVI) century was created by Dr. Ashrafyan K. for the monograph about history of Calusa tribe</p>
Ultrafast imaging recordings from the axon initial segment of neocortical layer-5 pyramidal neurons.
<p>This dataset contains imaging and whole-cell electrophysiological recordings from neocortical layer-5 pyramidal neuron from brain slices of the mouse.</p> <p>Electrophysiological recordings (at 20 kHz) are from the soma. Imaging data (10 kHz) are from lines along the axon initial segment (distal>proximal) with 500 nm pixel resolution. These correspond to:</p> <ul> <li>Sodium imaging (Figures 1 and S6).</li> <li>Voltage imaging (Figures 2,4,5,S4,S7)</li> <li>Calcium imaging (Figures 3,S3,S8).</li> </ul> <p>This dataset is used in the paper available online:</p> <p>Filipis L, Blömer LA, Montnach J, De Waard M, Canepari M. Nav1.2 and BK channels interaction shapes the action potential in the axon initial segment. bioRxiv, 2022. doi: 10.1101/2022.04.12.488116.</p>
Example rainfall event for blended rainfall estimates to test PYRAMID
<p>Rainfall accumulations (mm) and average rainfall rates (mm/h) obtained from the different merged fields, for two 6 hour rainfall events occurring on 30-09-2022 at 12:00 and 06-09-2022 at 10:30. Data includes Met Office (Met) and Urban Observatory (UO) weather radars and Environment Agency (EA) and additional (Add) rain gauges.</p>
BK Channels activation by N-type Ca2+ channels in the dendrites of neocortical pyramidal neurons
<p>This dataset contains imaging and whole-cell electrophysiological recordings from neocortical layer-5 pyramidal neuron dendrites in brain slices of the mouse.</p><p>Somatic electrophysiological and dendritic imaging recordings were done at 20 kHz. Imaging recordings were done with ~2.5 µm nm pixel resolution. These correspond to:</p><ul><li>Voltage imaging (Figures 1 and 7)</li><li>Calcium imaging (Figures 2,3 and 4).</li></ul><p>This dataset is used in the paper:</p><p>Blömer LA, Giacalone E, Abbas F, Filipis L, Migliore M, Canepari M. Kinetics and functional consequences of BK Channels activation by N-type Ca2+ channels in the dendrite of mouse neocortical layer-5 pyramidal neurons. bioRxiv, 2023 (https://www.biorxiv.org/content/10.1101/2023.10.26.564136v1).</p>
Four-stages FAIR Roadmap - FAIR "Pyramid"
<p>On the basis of the experience of a community of practitioners, experts, engineers involved in the development of the EPOS Research Infrastructure, now with the ERIC status, involved in the ENVRI cluster and participating to the ENVRI-FAIR initiative, a common approach was observed, which is reflected into the re-organization FAIR principles into a four-stages roadmap which include: a) <em>data</em> stage, b) <em>metadata</em> stage, c) <em>access</em> stage and d) <em>use</em> stage.<br> These stages correspond to the actual conceptual approach driving day-to-day work of RI implementers in the solid Earth domain (EPOS). </p> <p>Data are usually the main business and wealth of scientists and data practitioners in RIs. As a consequence, the first conceptual step relates to data aspects (<em>Stage 1</em>). Once data is properly managed, RIs professional tend to conceptually tackle the challenge of data description and identification, in order to create the premises for data searchability and contextualization (<em>Stage 2</em>). Once data is properly managed, described and contextualized by means of metadata, then RIs practitioners approach the issue of making it accessible to users (<em>Stage 3</em>). In order to include functionalities that go beyond data access, for instance data analysis and processing, FAIR RIs and data stewardship systems should address a <em>fourth stage</em> concerned with services that <em>make use</em> of data (<em>Stage 1</em>) and metadata (<em>Stage 2</em>) FAIRly accessed (<em>Stage 3</em>) and produce new (meta)data as output.</p>
Dataset for "Stable attitude deorbiting using a simplified planar quasi-rhombic-pyramid sail"
<p>Dataset for the proceedings paper entitled</p> <p>"Stable attitude deorbiting using a simplified planar quasi-rhombic-pyramid sail"</p> <p>Presented in the 5th International Symposium on Solar Sails (ISSS2019).</p>
Tractostorm: Rater reproducibility assessment in tractography dissection of the pyramidal tract
<p>Segmentation of the 13 experts and 11 non-experts for the Tractostorm project. Contains the original dataset each participants received to perform their tasks.</p> <p>The tractography file format is *.trk and the image file format is *.nii.gz</p>
Analysis of AaH-II effect in the axon initial of neocortical pyramidal neurons
<p>This dataset contains data in HEK293 neurons expressing either human Na<sub>v</sub>1.2 or human Na<sub>v</sub>1.6 and whole-cell electrophysiological recordings and imaging data from neocortical layer-5 pyramidal neuron in brain slices of the mouse.</p> <p> </p> <p>This dataset is used in the paper:</p> <p>Abbas F, Blömer LA, Millet H, Montnach J, De Waard M, Canepari M. Analysis of the effect of the scorpion toxin AaH-II on action potential generation in the axon initial segment. bioRxiv, 2023. https://www.biorxiv.org/content/10.1101/2023.10.06.561226v1</p>
Data from: Theta oscillations coincide with sustained hyperpolarization in CA3 pyramidal cells, underlying decreased firing
<p>Brain-state fluctuations modulate membrane potential dynamics of neurons, influencing the functional repertoire of the network. Pyramidal cells (PCs) in hippocampal CA3 are necessary for rapid memory encoding, preferentially occurring during exploratory behavior in the high-arousal theta state. However, the relationship between the membrane potential dynamics of CA3 PCs and theta has not been explored. Here, we characterize the changes in the membrane potential of PCs in relation to theta using electrophysiological recordings in awake mice. During theta, most PCs behave in a stereotypical manner, consistently hyperpolarizing time-locked to the duration of theta. Additionally, PCs display lower membrane potential variance and reduced firing rate. In contrast, during large irregular activity, a low-arousal state, PCs show heterogeneous changes in membrane potential. This suggests coordinated hyperpolarization of PCs during theta, possibly caused by increased inhibition. This could lead to higher signal-to-noise ratio in the small population of PCs active during theta as observed in ensemble recordings.</p>
CL emission and absorption spectra of MoS2 pyramids
<p>Cathodoluminescence spectra of MoS2 pyramid on sapphire substrate. Extensive experimental data used for the publication: <a href="https://doi.org/10.1039/D1NR06041D">https://doi.org/10.1039/D1NR06041D</a> "Excitonic absorption and defect related emission in three-dimensional MoS2 pyramids"</p> <p>In the file the maps with the different areas highlighted. To each area corresponds an average spectrum.</p>
Raman and photoluminescence of MoS2 flakes and pyramids
<p>Raman and photoluminescence spectra of MoS2 flakes and pyramids.</p> <p>Data used for article entitled "Excitonic absorption and defect-related emission in three-dimensional MoS2 pyramids" <a href="https://doi.org/10.1039/D1NR06041D">https://doi.org/10.1039/D1NR06041D</a></p>
raw data for Optogenetic Stimulation of Prelimbic Pyramidal Neurons Maintains Fear Memories and Modulates Amygdala Pyramidal Neuron Transcriptome
<p>Figure Legend </p> <p>Modulation of cellular excitability of Prelimbic (PrL) pyramidal neurons by optogenetic stimulation. (<strong>A</strong>) Representative traces in current-clamp configuration reporting evoked firing activity triggered by a series of depolarizing current steps (0 to 400 pA) applied to PrL pyramidal neurons of SHAM FEAR (black, <em>n</em> = 8 neurons from 5 mice), OPTO FEAR (red, <em>n</em>= 8 neurons from 5 mice), and No-EX (green, <em>n</em> = 5 neurons from 3 mice) groups. The cumulative plot shows the changes in firing activity. (<strong>B</strong>) Representative traces of PrL pyramidal neurons of SHAM FEAR (black, <em>n</em> = 8 neurons from 5 mice), OPTO FEAR (red, <em>n</em>= 8 neurons from 5 mice), and No-EX (green, <em>n</em> = 5 neurons from 3 mice) groups showing the firing activity triggered by linear depolarization from 0 to 800 pA. Graph (on the right) reports the effects of optogenetic stimulation on rheobase value. Namely, PrL pyramidal neurons of OPTO FEAR and No-EX groups recorded after optogenetic stimulation showed a clear reduction in the rheobase value in comparison to neurons of SHAM FEAR group (* at least <em>p</em>= 0.01). (<strong>C</strong>) Representative traces of Excitatory Post-Synaptic Currents (EPSC) of PrL pyramidal neurons of SHAM FEAR (black, <em>n</em> = 8 neurons from 5 mice), OPTO FEAR (red, <em>n</em>= 8 neurons from 5 mice), and No-EX (green, <em>n</em> = 5 neurons from 3 mice) groups. Graph plot (in the middle) and cumulative curve (on the right) depict the clear increase in firing frequency in PrL pyramidal neurons of OPTO FEAR and No-EX groups (* at least <em>p</em> = 0.01). (<strong>D</strong>) Graphs and cumulative curves report no significant differences in cellular excitability in PrL pyramidal neurons of SHAM NOT FEAR (black) and OPTO NOT FEAR (blue) groups. Data are reported as median with interquartile range.</p>
Hippocampal CA1 pyramidal cell membrane voltage recorded in response to noise stimuli at two temperatures.
<p>Electrophysiological recording of the membrane voltage (whole-cell patch-clamp) of three hippocampal CA1 pyramidal cells. Cells are stimulated with a current step chosen to ensure a firing rate around 5-10Hz (amplitude of the current step is given in the filenames) and a noise stimulus with zero mean (Ornstein-Uhlenbeck process with 4ms timescale). Each CSV file contains three columns, the timepoints (saved at 10000Hz), the noise stimulus, and the voltage trace recorded in response to the given noise stimulus. Voltages are recorded at low temperatures (around 32 degrees Celsius) and at high temperatures (around 37 degrees Celsius for cell 1, around 40 degrees Celsius for cells 2 and 3), exact temperatures are given in the filenames. The file metadata.csv contains additional information.</p>
Figure1. Three-layer image decomposition with content protection-Access Management in Medical Image Databases Based on New Format and Contents Protection with Inverse Pyramid Decomposition
<p>The image preparation for the image database with layered access is shown on Fig. 1. The<br> image is archived layer by layer and the watermarks are inserted together with the image<br> processing. The ROI (if there is one in the image) is processed in such a way, that to permit direct<br> access for authorized users (separate pyramid is developed for the ROI representation).</p>
Correlative microscopy of rat cultured hippocampal pyramidal cell from 40x confocal imaging to super-resolution 93x 3D STED of dendritic spines
<p>This dataset contain multi-scale image of rat hippocampal pyramidal cell related to our paper "<em>From tissues to segmentation: a modular framework for multi-scale neuron isolation</em>" by Cauzzo et al. <strong>Nature Comm (2024).</strong></p>
Fig. 1 in Halyomorpha halys (Hemiptera: Pentatomidae) response to pyramid traps baited with attractive light and pheromonal stimuli
Fig. 1. Standard black pyramid trap with PHER lure (A) and modified pyramid trap with narrow blue fluorescent light (B).
Plate VIII: Figures 65-70. Fylgia amazonica lychnitina, male ultimate instar larva. (65) larva, dorsal view; (66) left antenna; (67) labium, ventral view; (68) apical portion of labium with right palp, dorsal view; (69) skyline of abdomen, left lateral view; (70) anal pyramid, dorsal view. in Dragonflies (Odonata) From The Sierras Of Tapirapeco And Unturan, In The Extreme South Of Venezuela
Plate VIII: Figures 65-70. Fylgia amazonica lychnitina, male ultimate instar larva. (65) larva, dorsal view; (66) left antenna; (67) labium, ventral view; (68) apical portion of labium with right palp, dorsal view; (69) skyline of abdomen, left lateral view; (70) anal pyramid, dorsal view.
Plate VII: Figures. 58-60. Anatya guttata, male anal appendages, left lateral view. (58) "normalis" form; (59) "guttata" form (both Base Camp); (60) intermediate specimen (Venezuela, Tachira, La Fria). Figures 61-64. Erythrodiplax amazonica, male ultimate instar exuviae (61), Exuviae, dorsal view; (62) left antenna; (63) labium with right palp, dorsal view; (64) anal pyramid, dorsal view. in Dragonflies (Odonata) From The Sierras Of Tapirapeco And Unturan, In The Extreme South Of Venezuela
Plate VII: Figures. 58-60. Anatya guttata, male anal appendages, left lateral view. (58) "normalis" form; (59) "guttata" form (both Base Camp); (60) intermediate specimen (Venezuela, Tachira, La Fria). Figures 61-64. Erythrodiplax amazonica, male ultimate instar exuviae (61), Exuviae, dorsal view; (62) left antenna; (63) labium with right palp, dorsal view; (64) anal pyramid, dorsal view.
Figure. Constrained ordination plot as produced from canonical correspondence analysis (CCA). The variability of environmental variables is summarized on Axis 1 and Axis 2 of the constrained biplot, explaining the variability of the trophic groups included in the red fox's diet. Trophic groups are shown with black line (unfilled) pyramids, whereas environmental variables are shown with black filled pyramids. Proximity and distance of response centroids to predictor centroids indicate positive and negative correlations between them, respectively. in Factors affecting the diet of the red fox (Vulpes vulpes) in a heterogeneous Mediterranean landscape
Figure. Constrained ordination plot as produced from canonical correspondence analysis (CCA). The variability of environmental variables is summarized on Axis 1 and Axis 2 of the constrained biplot, explaining the variability of the trophic groups included in the red fox's diet. Trophic groups are shown with black line (unfilled) pyramids, whereas environmental variables are shown with black filled pyramids. Proximity and distance of response centroids to predictor centroids indicate positive and negative correlations between them, respectively.
FIG. 12 in Animal Management, preparation and sacrifice: reconstructing burial 6 at the Moon Pyramid, Teotihuacan, México
FIG. 12. — Model of the life histories of the animals interred in Burial 6 divided into four stages; acquisition, management, preparation and sacrifice and/or deposition. Arrows and letters in grey indicate the zooarchaeological and archaeological indicators of these processes.
ScienceDex guides
Understand access before you commit
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.