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50 results for “sensory organ”
Modular organization of the murine locomotor pattern in the presence and absence of sensory feedback from muscle spindles
<p>In this study, we made use of non-negative matrix factorization (NMF) to extract muscle synergies from electromyographic (EMG) data. We implemented the NMF algorithm in R version 3.5.1 (R Foundation for Statistical Computing, R Core Team, Vienna, Austria), a programming language available in a free software environment. However, even if the software does not require a paid license, often researchers are either not confident with or prefer not to spend time writing the code required to perform NMF. We make available, as we recently did with human data (Santuz <em>et al.</em>, 2018), an example open access data set of EMG and muscle synergy data for murine walking and swimming. The data presented in this supplementary information part is available in three formats: 1) the raw EMG of two example trials (one recorded during walking and the other during swimming in a wild type animal, six muscles), unprocessed together with the touchdown and lift-off timings of the recorded limb for walking and the cycle timings for swimming; 2) the filtered and time-normalized EMG and 3) the muscle synergies extracted via NMF. Moreover, we provide the R code for obtaining the results described in the previous three points. We do not report any metadata, since trials are relative to a single representative animal. The R code is profusely commented.</p>
The subapical labial sensory organ of spotted lanternfly Lycorma delicatula
<p>Deciphering how the spotted lanternfly (SLF), an invasive polyphagous planthopper in North America, engages with its environment is a pressing issue with fundamental biological significance and economic importance. This interaction primarily depends on olfaction. However, the cellular basis of olfaction in SLF remains elusive. Here we investigate the neuronal and functional organization of the subapical labial sensory organ using scanning electron microscopy and electrophysiological recordings. This organ is believed to supply planthoppers with crucial sensory information that influences their subsequent feeding behavior. We find in SLF that this organ comprises two identical placoid sensilla, each housing two distinct neurons. The A neuron displays a remarkable sensitivity to changes in airflow speed. Importantly, the same neuron also exhibits robust excitatory responses exclusively to three aldehydes out of a diverse pool of 85 tested odorants and inhibitory responses to 62 other odorants. By contrast, the B neuron solely serves as an olfactory detector, showing strong excitatory responses to 17 odorants and inhibitory responses to only three. The results provide a potential cellular basis for the behavioral responses of SLF to its ecologically relevant stimuli. Our study also identifies new odorants that may be useful for managing this serious pest.</p>
Dataset on the characterization of the flavor of two red wine varieties using sensory descriptive analysis, volatile organic compounds quantitative analysis by GC-MS and odorant composition by GC-MS-O
<p>The dataset contains data that were collected on 2 sets of 8 French red wines from two grape varieties, Pinot Noir (PN) and Cabernet Franc (CF). It provides, for the 16 wines, (i) sensory descriptive data obtained with a trained panel, (ii) volatile organic compounds (VOC) quantification data obtained by Gas Chromatography–Mass Spectrometry (GC-MS) and (iii) odorant composition obtained by Gas Chromatography–Mass Spectrometry–Olfactometry (GC-MS-O).</p> <p> </p> <p>The dataset is a Microsoft Excel Worksheet containing 8 sheets.</p> <p>- Sheet 1: Information</p> <p>Gives information about the sheets contained in this .xlsx file</p> <p>- Sheet 2: Experimental_factors</p> <p>Each row represents a wine</p> <p>Each column corresponds to an experimental factors of the wines (Grape variety, Vintage and Protected Designation of Origin)</p> <p>- Sheet 3: List_sensory_descriptors</p> <p>Lists the 33 sensory descriptors used for the sensory descriptive analysis of the wines</p> <p>- Sheet 4: Sensory_descriptive_analysis</p> <p>Each row represents a wine</p> <p>Each column corresponds to a condition (2640 columns)</p> <p>Senso_(ortho or retro)_(Panelist1 to Panelist 16)_(1 to 33 Sensory descriptors)_(1 to 3 repetitions for ortho and 1 to 2 repetitions for retro)</p> <p>For the ortho (orthonasal) measurements, there is 16 panelists, 33 sensory descriptors and 3 repetitions = 1584 columns</p> <p>For the retro (retronasal) measurements, there is 16 panelists, 33 sensory descriptors and 2 repetitions = 1056 columns</p> <p>Each cell contains a sensory measurement for the corresponding condition in the corresponding wine</p> <p>- Sheet 5: List_VOC</p> <p>Lists the 45 VOC quantified in the wines with their corresponding CAS number</p> <p>VOC: Volatil Organic Compounds</p> <p>- Sheet 6: VOC_quantification</p> <p>Each row represents a wine</p> <p>Each column corresponds to a VOC (45 columns)</p> <p>Each cell contains the quantification of the corresponding VOC in the corresponding wine</p> <p>- Sheet 7: List_GC-MS-O</p> <p>Lists the 49 odor-active compounds identified with their corresponding CAS number and the 34 compounds identified by their apex indice</p> <p>- Sheet 8: GC-MS-O</p> <p>Each row represents a wine</p> <p>Each column corresponds to an odor-active compound identified by its CAS number or by its Apex indice if the compound was not identify (81 odor-active compounds) + the number of judges who smelled the compound and its description (by 8 judges) = 9 columns per odor-active compound for a total of 729 columns</p>
Data for "Layer 4 of mouse neocortex differs in cell types and circuit organization between sensory areas"
<p>Data for "Layer 4 of mouse neocortex differs in cell types and circuit organization between sensory areas". Preprint: https://www.biorxiv.org/content/10.1101/507293v2.</p> <p>Raw sequencing data is available at https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE134378.</p>
The subapical labial sensory organ of spotted lanternfly Lycorma delicatula
Open the record for dataset details and reuse information.
Fig. 10 in New Insights Into the Brain, Braincase, and Ear Region of Tyrannosaurs (Dinosauria, Theropoda), with Implications for Sensory Organization and Behavior
Fig. 10. Pneumatic sinuses in the braincase of tyrannosaurs in right rostroventrolateral view (left column) and caudal view (right column). Bone is rendered semitransparent, revealing pneumatic recesses, cranial endocast, vascular elements, and the endosseous labyrinth. A, Tyrannosaurus rex (AMNH FR 5117); B, Gorgosaurus libratus (ROM 1247); and C, the Cleveland skull (CMNH 7541). Scale bars = 5 cm.
Fig. 8 in New Insights Into the Brain, Braincase, and Ear Region of Tyrannosaurs (Dinosauria, Theropoda), with Implications for Sensory Organization and Behavior
Fig. 8. Endosseous labyrinths (left sides). Left four columns are stereopairs of left lateral and dorsal views. Right two columns are rostral and caudal views, respectively. A–D, Tyrannosaurus rex (AMNH FR 5029); E–H, T. rex (AMNH FR 5117); I–L, Gorgosaurus libratus (ROM 1247, composite of both sides); M–P, Cleveland skull (CMNH 7541, composite of both sides, restored parts in yellow); Q–T, Struthiomimus altus (AMNH FR 5355); and U–X, Allosaurus fragilis (UMNH VP 18050, right side reversed). All are to the same scale (Scale bar = 1 cm).
Fig. 2 in New Insights Into the Brain, Braincase, and Ear Region of Tyrannosaurs (Dinosauria, Theropoda), with Implications for Sensory Organization and Behavior
Fig. 2. Stereopairs of articulated braincase of Tyrannosaurus rex (AMNH FR 5117) derived from reconstructed CT scans and shown in the following views: A, right lateral; B, dorsal; C, caudal.
Fig. 1 in New Insights Into the Brain, Braincase, and Ear Region of Tyrannosaurs (Dinosauria, Theropoda), with Implications for Sensory Organization and Behavior
Fig. 1. Stereopairs in F, right lateral; G, left lateral; H, dorsal; I, ventral; J, caudal; and K, rostral views. Scale bars = 4 cm.
Fig. 2. D in New Insights Into the Brain, Braincase, and Ear Region of Tyrannosaurs (Dinosauria, Theropoda), with Implications for Sensory Organization and Behavior
Fig. 2. D, left lateral; E, ventral; F, rostral. Bone is rendered semitransparent, revealing pneumatic recesses, cranial endocast, vascular elements, and the endosseous labyrinth. For detailed labeling of the cranial endo- cast, bony braincase, and endosseous labyrinth, see Figs. 1, 5, and 8, respectively. Scale bars = 10 cm.
FIGURE 6 in Antennal sensory organs of Scathophaga stercoraria (Linnaeus, 1758) (Diptera: Scathophagidae): ultramorphology and phylogenetic implications
FIGURE 6. Setigerous plaques of different families in Calyptratae (modified from Kutty et al. 2010).
FIGURE 5 in Antennal sensory organs of Scathophaga stercoraria (Linnaeus, 1758) (Diptera: Scathophagidae): ultramorphology and phylogenetic implications
FIGURE 5. SEM micrographs of sensory pit on the antennal funiculus of male Scathophaga stercoraria (Linnaeus, 1758). A. Overview of sensory pit. B. Section of sensory pit, showing basiconic sensilla III and microtrichiae in it. C. Magnification of one cluster of basiconic sensilla III. D. Magnification of basiconic sensilla III in sensory pit. (Abbreviations: Ar (arista); Ba III (basiconic sensillum III); Fn (funiculus); SP (sensory pit). Scale bars: A. 50 µm; B. 10 µm; C. 4 µm; D. 2.5 µm.)
FIGURE 2 in Antennal sensory organs of Scathophaga stercoraria (Linnaeus, 1758) (Diptera: Scathophagidae): ultramorphology and phylogenetic implications
FIGURE 2. SEM micrographs of setiferous plaque and pedicellar button on the antennal pedicel of male Scathophaga stercoraria (Linnaeus, 1758). A. Overview of pedicellar dorsal surface. B. Magnification of setiferous plaque. C. Details of antennal pedicel after removal of antennal funiculus. D. Magnification of pedicellar button. (Abbreviations: AR (annular ridge); Ch (chaetic sensillum); PB (pedicellar button); Pd (pedicel); Pl (plaque); Po (pore). Scale bars: A. 25 µm; B. 2.5 µm; C. 50 µm; D. 5 µm.)
FIGURE 4 in Antennal sensory organs of Scathophaga stercoraria (Linnaeus, 1758) (Diptera: Scathophagidae): ultramorphology and phylogenetic implications
FIGURE 4. SEM micrographs of coeloconic sensilla and clavate sensilla on the antennal funiculus of male Scathophaga stercoraria (Linnaeus, 1758). A. Distribution of coeloconic sensilla in the proximal region of antennal funiculus. B. Overview of distal region of antennal funiculus. C. Magnification of coeloconic sensillum. D. Magnification of clavate sensillum. E. Distal surface of clavate sensillum, showing pores on it. (Abbreviations: Ba I (basiconic sensillum I); Ba II (basiconic sensillum II); Co (coeloconic sensillum); Cl (clavate sensillum); Mt (microtrichia); Tr (trichoid sensillum). Scale bars: A–B. 15 µm; C–E. 2.5 µm.)
FIGURE 1 in Antennal sensory organs of Scathophaga stercoraria (Linnaeus, 1758) (Diptera: Scathophagidae): ultramorphology and phylogenetic implications
FIGURE 1. Antennal features of male Scathophaga stercoraria (Linnaeus, 1758). A. Lateral view of the male head with antennae located between compound eyes. B. Posteroventral and dorsolateral surface of antennal funiculus. C. Anterodorsal and dorsolateral surface of antennal funiculus. D. Anterodorsal surface of antennal pedicel and scape. E. Posteroventral surface of antennal pedicel and scape. F. Antennal arista. G. Magnification of mechanoreceptor on antennal pedicel. (Abbreviations: Ad (anterodorsal surface); Ar (arista); Ch (chaetic sensillum); Dl (dorsolateral surface); Fn (funiculus); Pd (pedicel); Pv (posteroventral surface); Sc (scape); SP (sensory pit). Scale bars: A. 1 mm; B–E. 100 µm; F. 250 µm; G. 100 µm.)
FIGURE 3 in Antennal sensory organs of Scathophaga stercoraria (Linnaeus, 1758) (Diptera: Scathophagidae): ultramorphology and phylogenetic implications
FIGURE 3. SEM micrographs of trichoid sensilla and basiconic sensilla on the antennal funiculus of male Scathophaga stercoraria (Linnaeus, 1758). A. Magnification of trichoid sensilla and basiconic sensilla within microtrichiae. B. Trichoid sensillum extending above the microtrichiae. C. Magnification of basiconic sensillum. I. D. Magnification of basiconic sensillum II. (Abbreviations: Ba I (basiconic sensillum I); Ba II (basiconic sensillum II); Mt (microtrichia); Tr (trichoid sensillum). Scale bars: A. 15 µm; B. 5 µm; C–D. 2.5 µm.)
Figure 10 in Evolution of the brain and sensory organs in Sphenisciformes: new data from the stem penguin Paraptenodytes antarcticus
Figure 10. Log-log plots of A, total endocranial volume and body size; B, cerebral volume and body size; C, cerebral volume and total endocranial volume. Closed circles indicate penguin taxa. Paraptenodytes is shown as a closed star. All other avian taxa are indicated by open circles. Dashed lines indicate 95% confidence intervals.
Figure 9 in Evolution of the brain and sensory organs in Sphenisciformes: new data from the stem penguin Paraptenodytes antarcticus
Figure 9. Computed tomography slices of the skull of A, Spheniscus humboldti and B, Paraptenodytes antarcticus in 1, sagittal and 2–3, coronal planes. Abbreviations: atr, anterior tympanic recess; cc, cranial carotid artery; pt, pituitary space; ta, tuba auditiva.
Figure 7 in Evolution of the brain and sensory organs in Sphenisciformes: new data from the stem penguin Paraptenodytes antarcticus
Figure 7. Virtual endocasts of the labyrinth of A, Gavia immer (common loon); B, Phoebastria immutabilis (Laysan albatross); C, Paraptenodytes antarcticus (fossil stem penguin); D, Spheniscus humboldti (Humboldt penguin); E, Aptenodytes patagonicus (king penguin); and F, Pygoscelis antarctica (chinstrap penguin) in posterior aspect. Abbreviations: aa, ampulla of anterior semicircular canal; asc, anterior semicircular canal; cc, common crus; ed, endolymphatic duct; ha, ampulla of horizontal semicircular canal; hsc, horizontal semicircular canal; lc, lagenar canal; pa, ampulla of posterior semicircular canal; psc, posterior semicircular canal; vf, vestibular foramen.
Figure 8 in Evolution of the brain and sensory organs in Sphenisciformes: new data from the stem penguin Paraptenodytes antarcticus
Figure 8. Virtual endocasts of the brain and labyrinth of A, Paraptenodytes antarcticus (fossil stem penguin) and B, Aptenodytes patagonicus (king penguin) in lateral aspect, illustrating relative size of the labyrinth.
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.