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912 results for “bilateral”
Somatosensory phase-encoded bilateral full-body light touch stimulation
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French domestic bilateral transport costs between districts c. 1789
<p>Downloading the data will provide you with a .zip file.</p> <p>The data include bilateral transport costs between French districts around 1789, as computed for the paper See Daudin, G. (2010). Domestic Trade and Market Size in Late-Eighteenth-Century France. <em>The Journal of Economic History,</em> 70(3), 716-743. doi:10.1017/S0022050710000598</p>
Fig. 3 in Bilateral Asymmetry In Asterisci Otoliths Of Cyprinion Kais And C. Macrostomum (Cypriniformes, Cyprinidae) Collected From Tigris River, Şirnak Region, Türkiye
Fig. 3. Asteriscus otolith of A, Cyprinion kais, 179 mm TL; B, C. macrostomum, 190 mm TL. OL = otolith; OW = otolith width.
EEG dataset of unilateral and bilateral movement executions
<p>This dataset includes EEG data from 8 subjects who were performing self-intended unilateral and bilateral movement executions. </p><p>The dataset is structured as follows. The <i>EEG_dataset</i> folder contains an <i>EEG</i> and <i>Metadata</i> folder. The <i>Metadata</i> folder contains text files for each of the measured subjects identified by an individual pseudo-code with general meta information. Also, a short description of the experiment is provided in an additional text file. The <i>EEG</i> folder contains the EEG measurements separated into the unilateral and bilateral conditions of the study as well as a readme (text file) including useful information about the data recording. In each subfolder of the measurement conditions (unilateral and bilateral) the measurements are stored for each of the subjects. The data is stored in the BrainVision format (see https://www.brainproducts.com/support-resources/brainvision-core-data-format-1-0/ for more information regarding the data format). </p>
Multiple motor tasks while walking in patients with chronic bilateral and unilateral vestibulopathy
<p><em><span>This dataset contains whole body movements (i.e. 3D trajectories) and 3D kinematics from 30 subjects (10 with bilateral vestibulopathy, 10 with unilateral vestibulopathy, and 10 healthy subjects) during multiple motor tasks while walking: change of speed, double task, gait with eyes closed, gait with head horizontal turns, gait with head vertical turn, step over an obstacle, gait and U-turn. Participants were instrumented with 35 reflective placed on the whole body according to the Convention Gait Model 1.0. </span></em><em><span>A 12-camera motion capture system (Oqus 7+, Qualisys, Göteborg, Sweden), set at a 100 Hz sampling frequency, was used to track cutaneous reflective markers. The marker trajectories were labeled using Qualisys Tracking Manager software (QTM 2019.3, Qualisys, Göteborg, Sweden) and exported in the C3D file format. Joint kinematics were calculated from the raw data of the marker trajectories and stored in C3D files.</span></em></p>
Bilateral integration in somatosensory cortex is controlled by behavioral relevance
<p><span><span>Sensory</span> <span>p</span><span>ercep</span><span>tion</span><span> naturally </span><span>requires</span> <span>processing</span> <span>stimuli </span><span>from</span> <span>both sides of the body</span><span>.</span> <span>Yet</span><span>, </span><span>how</span> <span>neurons</span> <span>bind stimulus</span> <span>features</span><span> across the hemispheres to </span><span>create</span><span> a unified </span><span>percept</span><span>ual</span><span> experience</span> <span>remains</span> <span>unknown.</span> <span>To </span><span>address this </span><span>question</span><span>, w</span><span>e </span><span>performed</span><span> large-scale</span> <span>recordings</span><span> from</span> <span>neurons in</span> <span>both</span><span> somatosensory cort</span><span>ices</span><span> (S1)</span> <span>while</span> <span>mice</span> <span>shared information between </span><span>their </span><span>hemispheres</span> <span>and</span><span> discriminate</span><span>d</span><span> between two categories of bilateral </span><span>stimuli</span><span>. </span><span>When </span><span>expert </span><span>mice </span><span>touched</span> <span>stimuli</span> <span>associated with reward</span><span>,</span> <span>they</span> <span>moved their whiskers</span><span> with greater bilateral symmetry</span><span>.</span> <span>During this period,</span> <span>synchronous spiking</span><span> and </span><span>enhanced </span><span>spike-field coupling</span> <span>emerged</span> <span>between</span> <span>the hemispheres</span><span>.</span> <span>This coordinated activity </span><span>was </span><span>absent</span><span> in</span> <span>stimulus</span><span>-matched</span><span> naïve animals</span><span>,</span> <span>indicating</span><span> that </span><span>interhemispheric </span><span>(IH)</span> <span>binding</span> <span>was</span> <span>controlled</span> <span>by</span> <span>a</span><span> goal-directed</span><span>,</span> <span>internal </span><span>process</span><span>.</span> <span>I</span><span>n</span> <span>S1 neurons,</span> <span>the addition of ipsilateral touch</span><span> primarily </span><span>facilitate</span><span>d</span> <span>the </span><span>contralateral</span><span>, principal whisker</span><span> response. </span><span>Th</span><span>is</span> <span>facilitation</span> <span>primarily </span><span>emerged</span><span> for</span><span> reward-associated </span><span>stimuli</span> <span>and </span><span>was lost on trials </span><span>where</span> <span>expert </span><span>mice </span><span>failed to</span><span> re</span><span>spond</span><span>.</span> <span>Taken together</span><span>, t</span><span>hese </span><span>results</span><span> reveal </span><span>a</span> <span>novel</span> <span>state-dependent l</span><span>ogic</span> <span>underlying</span> <span>bilateral </span><span>integration</span><span> in S1</span><span>,</span><span> where</span> <span>stimulus</span> <span>binding</span><span> and</span><span> facilitation are controlled by </span><span>behavioral relevance</span><span>. </span></span></p>
Replication data for: Bilateral flows and rates of international migration of scholars for 210 countries and areas for the period 1998-2020
<h3>Data and code for performing analyses and plotting figures for "Bilateral flows and rates of international migration of scholars for 210 countries and areas for the period 1998-2020"</h3> <p>The code and data can also be found at https://github.com/MPIDR/Global-flows-and-rates-of-international-migration-of-scholars/</p> <p><strong>Abstract</strong>: A lack of comprehensive migration data is a major barrier for understanding the causes and consequences of migration processes, including for specific groups like high-skilled migrants. We leverage large-scale bibliometric data from Scopus and OpenAlex to trace the global movements of scholars. Based on our empirical validations, we develop pre-processing steps and offer best practices for the measurement and identification of migration events. We have prepared a publicly accessible dataset that shows a high level of correlation between the counts of scholars in Scopus and OpenAlex for most countries. Although OpenAlex has more extensive coverage of non-Western countries, the highest correlations with Scopus are observed in Western countries. We share aggregated yearly estimates of international migration rates and of bilateral flows for 210 countries and areas worldwide for the period 1998-2020 and describe the data structure and usage notes. We expect that the publicly shared dataset will enable researchers to further study the causes and the consequences of migration of scholars to forecast the future mobility of global academic talent.</p>
Fig. 2 in Un ginandromorfo bilateral de Plebejus argus (Linnaeus, 1758) de Galicia (N.O. Península Ibérica). (Lepidoptera: Lycaenidae).
Fig. 2.- Aparato genital del ejemplar ginandromorfo de Plebejus argus (Prep. 2831 de la colección del autor). Con una flecha se señala la malformación en la parte distal del vinculum. Foto del autor.
Fig. 1 in Un ginandromorfo bilateral de Glaucopsyche alexis (Poda, 1761) de Galicia (N.O. Península Ibérica). (Lepidoptera: Lycaenidae).
Fig. 1.- Ejemplares de Glaucopsyche alexis (Poda 1761) procedentes de Chorén, Santiso (A Coruña), 18-V-1985, Eliseo H. Fernández Vidal leg. Comparación fenotípica (anversos alares): a.- ♂; b.- ♀; c.- Ginandromorfo bilateral. Foto: Miguel López Caeiro.
Figures 11–13 in A record of bilateral gynandromorphism in Epeolus (Hymenoptera: Apidae: Nomadinae)
Figures 11–13. Epeolus flavofasciatus Smith terminalia of a female, male, and the newly discovered gynander (removed and cleared in KOH). 11. Female sting apparatus (in lateral view). 12. Male genitalia (in dorsal view). 13. Genitalia of the gynander (with ♀ portion on the left [specimen's right] side and ♂ portion on the right [specimen's left]) side. Scale bars = 0.5 mm.
Figures 5–10 in A record of bilateral gynandromorphism in Epeolus (Hymenoptera: Apidae: Nomadinae)
Figures 5–10. Epeolus flavofasciatus Smith apical segments of a female, male, and the newly discovered gynander (removed and cleared in KOH). 5. Female S6 with T7 hemitergites atached. 6. Male S6. 7. S6 of the gynander (with ♀ and ♂ portions fused). 8. T7 of the gynander (♂ portion in dorsal view). 9. Male S7 and S8. 10. S7 and S8 of the gynander (♂ portion). Scale bars = 0.5 mm.
Fig. 5 in The youngest ctenocystoids from the Upper Ordovician of the United Kingdom and the evolution of the bilateral body plan in echinoderms
Fig. 5. Reconstructions of two possible modes of life of Conollia. A. A semi-infaunal mode of life. B. An infaunal mode of life. Adapt- ed from Domínguez Alonso (2004).
Fig. 2 in The youngest ctenocystoids from the Upper Ordovician of the United Kingdom and the evolution of the bilateral body plan in echinoderms
Fig. 2. Stratigraphical position (A) and geographical location (B) of the site where Conollia sporranoides sp. nov. was collected. Adapted from Ingham (1992).
Fig. 3 in The youngest ctenocystoids from the Upper Ordovician of the United Kingdom and the evolution of the bilateral body plan in echinoderms
Fig. 3. Ctenocystoid echinoderm Conollia sporranoides sp. nov. from the Upper Ordovician of Scotland, UK. A. GLAHM 131255/1, partial specimen. B. GLAHM 131255/2, complete specimen. C. GLAHM 131255/3, partial ctenidium in lateral view. D. GLAHM 131255/4, partial ctenidium in adoral view. E. GLAHM 131255/5, partial ctenidium. F. GLAHM 131255/6, partial ctenidium. G. GLAHM 131255/7, complete ctenidium in anterior view. H. GLAHM 131255/8, partial ctenidium in anterior view. I. GLAHM 131255/9, partial ctenidium in anterior view. Photographs of original specimens (A, B), latex casts whitened with ammonium chloride sublimate (C–F), and virtual reconstructions (G–I). Abbreviations: as, articulations for serrated spines; cp, ctenoid plates; ss, serrated spines; ts, thecal spines.
Fig. 1. Representative Cambrian ctenocystoid echinoderms. A, B in The youngest ctenocystoids from the Upper Ordovician of the United Kingdom and the evolution of the bilateral body plan in echinoderms
Fig. 1. Representative Cambrian ctenocystoid echinoderms. A, B. Ctenocystis utahensis Robison and Sprinkle, 1969 from Cambrian Series 3 of the United States. USNM 163252 in dorsal (A 1) and anterior (A 2) views; USNM 595079 in right lateral view (B). C. Undescribed ctenocystoid (Ctenocystoid gen. et sp. nov 1 in Smith et al. 2013) from Cambrian Series 3 of Morocco. NHMUK EE 15428 in dorsal view. D. Courtessolea moncereti Domínguez Alonso, 2004 from Cambrian Series 3 of France. MNHN F.A45783 in dorsal view. E. Courtessolea sp. from Cambrian Series 3 of Spain. MPZ 2009/1234b in ventral view. F. Undescribed ctenocystoid (Ctenocystoid gen. et sp. nov 2 in Smith et al. 2013) from Cambrian Series 3 of Morocco. NHMUK EE 15317 in ventral view. G, H. Jugoszovia archaeocyathoides Dzik and Orłowski, 1995 from Cambrian Series 3 of Poland. ZPAL Ec1/9 in ventral view (G); ZPAL Ec1/1 in anterior view (H). All specimens are latex casts whitened with ammonium chloride sublimate.
Figure 2 Faxitron X in Description of a bilateral gynandromorph in Spodoptera frugiperda (Smith, 1797) (Lepidoptera: Noctuidae) from Brazil
Figure 2 Faxitron X-Ray of a gynandromorph adult of the fall armyworm (FAW)Spodoptera frugiperda. A. Faxitron X-Ray of a normal FAW male with a red circle showing the clasper; B. Faxitron X-Ray of a normal FAW female; C.Faxitron X-Ray of a gynandromorph FAW with a red circle with a zoom evidencing the clasper.
Figure 1 in Description of a bilateral gynandromorph in Spodoptera frugiperda (Smith, 1797) (Lepidoptera: Noctuidae) from Brazil
Figure 1 Gynandromorph adult of the fall armyworm (FAW) Spodoptera frugiperda. A.Habitus in dorsal view, with a male left side and a female right side, showing oblicular spot, reniform spot, white patch, and spot at M3 + CuA1; B. Habitus in ventral view; C. Detail of a dimorphism in the antennae, wings, head, and thorax; D. Detail of a dimorphism in the abdomen; E. Last abdominal segment; F. Last abdominal segment of a normal male FAW.
Bilateral hearing impaired children assessment of horizontal auditory localization accuracy in a virtual visual environment with free head movement
<p>Twenty-two hearing-impaired children (13 males and 9 females, mean age: 10.45 years, standard deviation 3.13 years) participated in an auditory localization experiment in a virtual visual environment. We investigated the contribution of head movements to localization along the interaural plane in absence of motor constraints and visual cues on a virtual scene, experienced by individuals wearing a head-mounted display while listening to stimuli coming from a circular loudspeaker array. Each session included multiple test conditions. In each condition, the stimulus was presented from loudspeaker positions that were randomly balanced across a sequence of 13 x 5 = 65 trials. Each participant performed the task first with both devices turned on ("On-On"), then with one device (either the left or right one) turned on and one off ("On-Off"), and finally with both devices turned off ("Off-Off"). The On-On condition was presented first during each test session because it provided an everyday listening context participants were accustomed to, and consequently confident with. The third condition was omitted if a patient's pure tone average threshold was above the stimulus level used for the test in the frequency range [0.5-4] kHz. Depending on this threshold, nine Bi HA listeners attended also the Off-Off condition. Two Bi HA listeners were unable to attend the On-Off test condition either, since their session had to be stopped as early as they reported annoyance or fatigue to the experimenter. Children were affected by non-syndromic hearing loss ("GEN NO SDR") in 8 cases (6 GJB2 gene mutations, 2 other gene mutations), syndromic hearing loss ("SDR") in 4 (2 Usher syndromes, 1 chromosomal instability, 1 Waardenburg syndrome), and 1 enlarged vestibular aqueduct (inner ear malformation, "IEM"). Other causes of hearing loss ("Other") were congenital cytomegalovirus infection in 2 cases, chemotherapy with platinum derivatives for neuroblastoma in 2, preterm delivery in 1, and prolonged neonatal intensive care unit stay in 1 case. The cause was not identified ("ND") in 3 cases. All participants were right-handed and had no diagnosis of motor impairment. Reported are: the participant's anonymous id ("Participant"), the age ("Age"), the cause of hearing impairment ("MacroCause"), the years of experience with each device ("Experience DX", "Experience SX"), the left and right pure-tone individual hearing thresholds at 500 Hz, 1000 Hz, 2000 Hz, and 4000 Hz, without and with devices ("Threshold w/o 500 DX" is the right threshold at 500 Hz without devices, and the others are named accordingly), the group ("Group", an example is "Bi CI On-Off" identifying the group of listeners with two cochlear implants, one turned on and the other turned off, and the others are named accordingly), the test condition ("Condition", an example is "NOICSX_ICDX", identifying the listening condition with the left cochlear implant turned off and the right cochlear implant turned on, and the others are named accordingly), the target ("Target", angle in sexagesimal degrees), the signed error ("Signed_error", the difference between the target angle and the pointed angle in sexagesimal degrees), the unsigned error ("Unsigned_error", the absolute difference between the target angle and the pointed angle in sexagesimal degrees), the difference between the target and head orientation angle in the moment when the target was hit ("Head_rotation", in sexagesimal degrees), the head covered distance during a single trial ("Head_distance", in meters). Here are presented only sessions including the complete set of 65 trials, except seven sessions attended by Bi-CI listeners, each missing one trial (six in the On-Off condition and one in the On-On condition) that was not recorded due to a technical problem.</p>
Fig. 2 in A new R package and web application for detecting bilateral asymmetry in parasitic infections
Fig. 2. Histogram showing distribution of fold differences in abundance of Diplostomum spp. metacercariae between left and right eyes (excluding lenses). For each host the number of parasites in the right eye was divided by the number of parasites in the left eye, and the result was binary log transformed. The log 2 ratio will be negative if there are more parasites in the left than right eye, and positive if there are more parasites in the right than left eye. A log 2 ratio of one corresponds to a one-fold difference, i.e. double the number of parasites. Perfect symmetry is a log 2 ratio of zero.
Fig. 1 in A new R package and web application for detecting bilateral asymmetry in parasitic infections
Fig. 1. Screenshot of the web application. The panel on the left contains the controls for the application, including file upload, selection of test, choice of multiplicity correction and significance threshold. Results are displayed on the four tabbed pages of the main panel: summary, individual hosts, histogram and volcano plot.
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.