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2,206 results for “Communications”
Figure 2. from: Defining the Scholarly Commons - Reimagining Research Communication. Report of Force11 SCWG Workshop, Madrid, Spain, February 25-27, 2016 - Research Ideas and Outcomes 2: e9340 (26 May 2016) https://doi.org/10.3897/rio.2.e9340
Figure 2. - Opening night presentation by Maryann Martone (available as Google Slides)
Data from Bremmer et al. (2017) Heading representations in primates are compressed by saccades. Nature Communications
<p>1. Electrophysiology</p> <p>Experiments had previously been performed in three trained male macaque monkeys (C, H and R). Data, i.e. neural activity, come from the medial superior temporal area (area MST) in two hemispheres of monkeys R (Dataset #-1) and H (Dataset #-2) and from the ventral intraparietal area (area VIP) in two hemispheres of monkeys H (Dataset #-3) and C (Dataset #-4). Eye position was recorded at 500 Hz.</p> <p>Optic flow stimuli consisted of large-field computer generated sequences that were back projected via a video projector (Electrohome) onto a tangent screen, 48 cm in front of the monkey. The size of the projection covered the central 90° x 90° of the visual field. Optic flow sequences (15s – 20s) simulated self-motion of a virtual observer over an extended horizontal plane covered with a texture pattern, located 37cm below eye–level. Trials simulated self–motion in one of three directions: 30° to the left, straight-ahead, and 30° to the right. Data come from 71 neurons with a significant tuning for heading.</p> <p>In primates, self-motion stimuli induce reflexive, optokinetic like eye movements. For further data analysis, we determined periods of slow tracking and saccades. Tracking phases were temporally aligned to the onset of the preceding saccade (termed <strong>Trial</strong> in the following). Trial duration was 700 ms: from -200ms (i.e. 200 ms before the saccade) to 500 ms (i.e. 50 ms after the saccade. Eye-movement data are stored in the data files <strong>GrandAna1Data.mat</strong> (horizontal eye position) and <strong>GrandAna2Data.mat</strong> (vertical eye position). Neural activity in 20 ms bins was determined across these tracking phases for each trial for each of the three self-motion directions. Data come from single- or multi-electrode recordings. Activity from up to seven neurons could be recorded simultaneously. This data is stored in the data file <strong>PSTH.mat</strong>.</p> <p>2. Psychophysics</p> <p><strong>Data on perisaccadic perception of heading.</strong></p> <p>Files:</p> <p><strong>main_exp.zip</strong>, main experiment in which all subjects performed a vertical saccade in the center of the screen (x=0°)</p> <p><strong>head_15.zip</strong>, control using the same vertical saccade as main_exp.zip but with head turned 15 degrees to the left (-15°)</p> <p><strong>eye_15.zip</strong>, control using the vertical saccade at a position 15 degrees to the left (-15°) while the head is directed straight ahead (0°)</p> <p>Content of the files:</p> <p>Each subject is represented by one .mat file. In each file two variables are stored:</p> <p>Fix_Antwort: Control - heading perception during fixation. Column 1 presented heading, column 2 perceived heading</p> <p>Sacc_Antwort: Cell array containing data on perisaccadic perception.</p> <p>{1} presented heading = -30° (left)</p> <p>{2} presented heading = -15°</p> <p>{3} presented heading = 0°</p> <p>{4} presented heading = 15°</p> <p>{5} presented heading = 30° (right)</p> <p>In each cell, each line represents one single trial:</p> <p>Column 1: time of the onset of the heading stimulus relative to saccade onset (in ms)</p> <p>Column 2: perceived heading</p>
Multi-modal pose estimation in XR applications leveraging integrated sensing and communication: Dataset
<p>This dataset refers to paper Multi-modal pose estimation in XR applications leveraging integrated sensing and communication in workshop of ACM Mobicom. CSI of 3 people performing a set of 8 poses. This dataset contain discrete classes and corresponding CSI data. Kinect poses can be found here (https://github.com/nisarnabeel/multi-modal-pose-estimation-CSI-mmWave).</p> <p> </p> <p>Abstract: Mobile extended reality (XR) applications are anticipated to generate substantial traffic for 6G. Such applications not only require high data rate and low-latency transmissions, but also accurate and real-time pose estimation to enable interactive and immersive experiences. While sub-6 GHz signals have been exploited for pose estimation, they cannot cope up with multi-gigabit data rates required by XR applications. Instead, mobile communications at mmWave frequencies can potentially support data rates up to several giga-bits per second (Gbps) and, therefore, can be used to deliver XR content wirelessly to the Head-Mounted Display (HMD). Moreover, mmWave frequencies can offer improved sensing due to the large available bandwidth. Therefore, mmWave communications can play a crucial role in enabling device-free interactivity by offering both high-speed communication and accurate sensing capabilities. However, mmWave propagation characteristics are different from sub-6 GHz. Path loss plays a significant role, and can lead to degraded sensing performance. Therefore, our proposal supplements wireless sensing at mmWave frequencies with wireless electromyography (EMG) armbands. By capturing patterns of muscle activities, we can counteract the limitations of mmWave-based pose estimation, thereby enriching the granularity and precision of pose estimation. This paper proposes a conceptual architecture to achieve multi-modal pose estimation for XR applications. Early results highlight the shortcomings of mmWave-based sensing, and we identify future steps and opportunities on integration of both approaches.</p>
Plains zebra 2019 multimodal communication dataset
<p>Multimodality is a virtually ubiquitous feature of communication. With the increasing interest in how animals, including humans, use multimodal and multicomponent signals in social interactions, there is an acute need for standardized and rigorous tools that will allow us to visualize, and analyze these signals as they occur in naturalistic interactions as a complex, integrated system. Network theory is a powerful methodology for intuitively visualizing and investigating the relationships between entities. Here, we propose a new application of network theory for analyzing multimodal communication. Using a case study of natural multimodal interactions in wild plains zebras (<em>Equus quagga</em>), we introduce the descriptive power of network metrics by providing an objective set of metrics to: (a) describe the relationships between simultaneously produced signals within and between modalities; and (b) infer signal meaning and function. Here we make available the multimodal communication data collected during our 2019 field season.</p>
Experimental Validation video for paper "The Critical Role of Effective Communication in Human-Robot Collaborative Assembly"
<p>Experimental Validation video for paper "The Critical Role of Effective Communication in Human-Robot Collaborative Assembly".</p><p>The video shows a collaborative manipulator executing a collaborative assembly job with the user using a natural vocal communication architecture. The experiment compares the proposed framework with the state-of-art interaction and highlight the differences.</p>
Figs 139–152 in Taxonomy of the katydids (Orthoptera: Tettigoniidae) from East Asia and adjacent islands. Communication 16
Figs 139–152. Elbenia: 139 – E. (Elbenia) eudigitata sp. n.; 140–149 – E. (Aequapteron)
Figs 63–79 in Taxonomy of the katydids (Orthoptera: Tettigoniidae) from East Asia and adjacent islands. Communication 16
Figs 63–79. Elbenia (Elbenia), male: 63–68 – E. (E.) carinata sp. n.; 69 – E. (E.)
Figs 1–12 in Taxonomy of the katydids (Orthoptera: Tettigoniidae) from East Asia and adjacent islands. Communication 16
Figs 1–12. Elbenia, male: 1–3 – E. (Tamdaopteron) ryabovi sp. n.; 4–6 – E. (T.) daedala
Descriptive Study on Nursing Students' Interest in Using Digital Communication and Social Media in their Field after Covid-19
<p>This paper is about Descriptive study of nursing students' interest in using Digital communication in their field after Covid 19. Digital communication and social media have massive social interaction among community users that generate an extensive amount of data. The study was conducted in the faculty of nursing at Najran University, King Dome of Saudi Arabia (KSA). A descriptive correlational research design was followed in this study Sample: 300 nursing students. The first tool: is the interview sheet. Include two parts: Part (1) student personal data. Part (2) the nursing students' interest in Digital communication and social media. The second tool: - a questionnaire to Measure nursing students' knowledge about using Digital communication and social media in their field. Results: (74.7%) of nursing students were interested in Digital communication, and more than half (55.3 %) knew about Digital communication and social media, there's a statistical association between the academic level and students' interest. Provide special education about Digital communication to improve students' knowledge in the health field for using after covid 19, In-service Training for Various Digital communication and social media platforms. dissemination of the findings of this research study to the public and private healthcare organizations</p>
Condition dependence in the sexual communication system of the Tungara frog
<p>Sexual selection can result in the evolution of extreme armaments and ornaments, and the development and maintenance of these traits can come at a considerable cost. These costs have been implicated in enforcing an upper limit on trait divergence and promoting condition-dependent traits such that only individuals in sufficiently high condition can effectively wield these armaments and advertise these ornaments. Numerous studies demonstrate the condition-dependence of sexually selected traits, especially those used by males to advertise to females. In this study, we investigated condition-dependent mating calls in the túngara frog <em>Physalaemus</em> (<em>Engystomops</em>) <em>pustulosus</em>. We manipulated male condition in the laboratory over a nine-day period by restricting food availability. We then documented the relationship between male condition (the relative change in body mass from night 1 to night 9) and acoustic parameters of his mating call; how male condition influenced the male's responses to call playbacks; and finally, if male condition influenced the attractiveness of the male's calls to females. Males who were not fed during this period showed significant changes to acoustic parameters relating to frequency, duration, and amplitude. In response to playbacks, unfed males called less, and made fewer complex calls. Finally, in phonotaxis experiments, females were more attracted to the calls of unfed males on night 1 to the calls of the same males on night 9. Fed males, on the other hand, showed no significant differences between nights 1 and 9 in call parameters, calling effort, and call attractiveness. This study shows the pervasive effects of condition on three aspects of sexual communication: signal parameters, behavioral response to vocal competition, and mating call attractiveness.</p>
3-CO Infographic – Strengthening Bio-based Systems Through Concise Consumer Communication
<p><strong>The 3-CO Project</strong></p><p>Our everyday choices matter!<br>You as a consumer play an essential role in the successful transition of Europe`s economy. By making conscious purchasing decisions you can support the switch from fossil to bio-based feedstock and help transform the EU economy from a linear (i.e. production to waste) to a circular one (i.e. a production-waste-production circle).</p><p>By changing your buying behaviour, you can put pressure on companies to foster sustainable solutions. By choosing bio-based options instead of fossil-based products, you can help bio-based industries to become more competitive and unlock the bioeconomy's full potential.</p><p>To make smart, informed and conscious buying decisions, we often rely on labels and certifications schemes. But the jungle of currently available sustainability and ecolabels makes their interpretation difficult. The 3-CO project will support consumers' purchasing decisions towards more sustainable bio-based solutions by developing actionable guidelines for label designs that reflect the needs of consumers and other stakeholders.</p><p><a href="https://3co-project.eu">https://3co-project.eu</a></p>
Supporting data: Functional plasticity of the swim bladder as an acoustic organ for communication in a vocal fish
<div> <p>In this study, we show that the swim bladder of male plainfin midshipman fish (<em>Porichthys notatus</em>) exhibits reproductive state-dependent changes in morphology and function for sound production and reception. We quantified swim bladder morphometrics and utilized psuedolandmarking to identify differences in nonreproductive and reproductive male swim bladders. We utilized auditory evoked potential recordings, to measure the auditory sensitivity of saccular hair cells in response to sound pressure levels ranging from 97 - 154 dB re: 1 µPa to determine how the swim bladder contributes to midshipman auditory sensitivity. Finally, we used finite element modeling to explore the frequency response of nonreproductive and reproductive male swim bladders.</p> </div>
Fig. 4 in Social Behavior and Communication in the Neotropical Cicada Fidicina mannifera (Fabricius) (Homoptera: Cicadidae)
Fig. 4. Parallel walk display between two male Fidicina mannifera on the same tree trunk.
Blacklegged ticks, Ixodes scapularis, reduce predation risk by eavesdropping on communication signals of Formica oreas thatching ants
<p>Ticks spend most of their life inhabiting leaf litter and detritus where they are protected from sun but preyed upon by ants. Ants secrete chemical communication signals to coordinate group tasks such as nest defense. Ticks that avoid ant semiochemicals – as indicators of ant presence – would reduce predation risk by ants. We tested the hypotheses that (1) chemical deposits from the thatching ant <em>Formica</em> <em>oreas</em> deter blacklegged ticks,<em> Ixodes scapularis</em>, (2) deterrent semiochemicals originate from the ants' poison and/or Dufour's gland(s), and (3) tick-deterrent semiochemicals serve as alarm-recruitment pheromone components in <em>F. oreas</em>. In two-choice olfactometer bioassays, filter paper soiled with ant chemical deposits significantly deterred female and male ticks. Poison and Dufour's gland extracts deterred ticks in combination but not alone. Gas chromatographic-mass spectrometric analyses of gland extracts revealed formic acid as the major constituent in the poison gland and 8 hydrocarbons as constituents in the Dufour's gland. Synthetic formic acid and hydrocarbons deterred ticks only when combined. <em>F. oreas</em> workers sprayed both formic acid and hydrocarbons when distressed. A synthetic blend of these compounds elicited alarm-recruitment responses by <em>F. oreas</em> in behavioural bioassays. All results combined indicate that ticks eavesdrop on the ants' communication system.</p>
Dataset of "Experimental Implementation of Molecule Shift Keying for Enhanced Molecular Communication"
<p>Molecular communication is a paradigm inspired by biological systems, where chemical signals encode and transmit information. MoSK (Molecule Shift Keying) is proposed as a modulation technique that utilizes different signaling molecules to encode digital information. MoSK mimics natural molecular communication by leveraging the diversity of signaling molecules and their specific roles. Experimental testbeds have been developed using microfluidic systems, droplet-based platforms, and biological cells to validate MoSK. A prototype platform for MoSK was implemented, including a transmitter with infusion and selection valves, and a fluorescence-based receiver. The receiver detects and decodes fluorescence signals emitted by Graphene Quantum Dots (GQDs), which are water-soluble and fluorescent molecular messengers. The receiver acquires the fluorescence signals of blue-GQDs and cyan-GQDs, and the performance of the system can be evaluated in terms of synchronization, detection threshold, and symbol recognition using the provided dataset.</p> <p>Each file contains the signal related to 5 molecular messenger releases consisting of blue-GQDs or cyan-GQDs. The sequence of successive releases is given in the file MoSK-sequence.txt.</p> <p>The first row of the file contains the value of the emission wavelength, expressed in nanometers.</p> <p>The first column of the file contains the receive time value, expressed in seconds.</p> <p>The other values represent the emission intensities, expressed in arbitrary units.</p> <p> </p> <p>Please write to nunzio.tuccitto@unict.it for more information.</p> <p> </p>
Data and code for replication of: "Global warming and heat extremes to exacerbate inflationary pressures. M. Kotz, F. Kuik, E. Liz, C. Nickel. Nature Communications Earth & Environment (2023)."
<p>This repository contains secondary data and code necessary to reproduce the results of the manuscript:</p><p>Global warming and heat extremes to exacerbate inflationary pressures.</p><p>M. Kotz, F. Kuik, E. Liz, C. Nickel. Nature Communications Earth & Environment (2023).</p><p> </p><p>For further information please contact: maxkotz@pik-potsdam.de</p><p> </p><p>This document contains:</p><p>1. An outline of the data included in the repository.</p><p>2. An outline of the code included in the repository.</p><p> </p><p>See the README for further details.</p><p> </p><p>Credit and thanks go to Miles Parker, Chiara Osbat and Emanuele Franceschi for compiling the inflation data which is used in this study. Inflation data provided here has been anonymised (countries shuffled and names replaced by random letter combinations) to enable reproduction of our results, while limiting further use. Moreover, inflation in terms of the change in the logarithm of prices is included, whereas the level of price indices are excluded. For full inflation data please see the forthcoming publication by Miles Parker, Chiara Osbat,and Emanuele Franceschi (contact Miles.Parker@ecb.europa.eu for further enquiries into the raw inflation data).</p>
Strategic Environmental Messaging: Identifying the Most Impactful Communication Characteristics Through Cluster Analysis
<p>Datasets for study 1 & 2 for the manuscript Strategic Environmental Messaging: Identifying the Most Impactful Communication Characteristics Through Cluster Analysis</p>
Supplementary data for "Increasing risks of extreme salt intrusion events across European estuaries in a warming climate", published in Communications Earth & Environment
<p>This data repository contains python scripts and post-processed climate model and salt intrusion length data to reproduce figures in the paper below.</p> <p>====================</p> <p>Title: Increasing risks of extreme salt intrusion events across European estuaries in a warming climate (<a href="https://www.nature.com/articles/s43247-024-01225-w">Link to the full paper</a>)</p> <p>Author: Jiyong Lee, Bouke Biemond, Huib de Swart, and Henk A. Dijkstra</p> <p>Journal: Communications Earth & Environment</p> <p>Year: 2024</p> <p>Publisher: Nature</p> <p>====================</p>
Raw data and R code for statistical analyses from: Sensory trap leads to reliable communication without a shift in nonsexual responses to the model cue
<p>The sensory trap model of signal evolution suggests that males manipulate females into mating using traits that mimic cues used in a nonsexual context. Despite much empirical support for sensory traps, little is known about how females evolve in response to these deceptive signals. Female sea lamprey (<em>Petromyzon marinus</em>) evolved to discriminate a male sex pheromone from the larval odor it mimics and orient only towards males during mate search. Larvae and males release the attractant 3-keto petromyzonol sulfate (3kPZS), but spawning females avoid larval odor using the pheromone antagonist, petromyzonol sulfate (PZS), which larvae but not males, release at higher rates than 3kPZS. We tested the hypothesis that migratory females also discriminate between larval odor and the male pheromone and orient only to larval odor during anadromous migration, when they navigate within spawning streams using larval odor before they begin mate search. In-stream behavioral assays revealed that, unlike spawning females, migratory females do not discriminate between mixtures of 3kPZS and PZS applied at ratios typical of larval versus male odorants. Our results indicate females discriminate between the sexual and nonsexual sources of 3kPZS during but not outside of mating and show sensory traps can lead to reliable sexual communication without females shifting their responses in the original context.</p>
Raw data and outputs from: Sensory trap leads to reliable communication without a shift in nonsexual responses to the model cue
<p>The sensory trap model of signal evolution suggests that males manipulate females into mating using traits that mimic cues used in a nonsexual context. Despite much empirical support for sensory traps, little is known about how females evolve in response to these deceptive signals. Female sea lamprey (<em>Petromyzon marinus</em>) evolved to discriminate a male sex pheromone from the larval odor it mimics and orient only towards males during mate search. Larvae and males release the attractant 3-keto petromyzonol sulfate (3kPZS), but spawning females avoid larval odor using the pheromone antagonist, petromyzonol sulfate (PZS), which larvae but not males, release at higher rates than 3kPZS. We tested the hypothesis that migratory females also discriminate between larval odor and the male pheromone and orient only to larval odor during anadromous migration, when they navigate within spawning streams using larval odor before they begin mate search. In-stream behavioral assays revealed that, unlike spawning females, migratory females do not discriminate between mixtures of 3kPZS and PZS applied at ratios typical of larval versus male odorants. Our results indicate females discriminate between the sexual and nonsexual sources of 3kPZS during but not outside of mating and show sensory traps can lead to reliable sexual communication without females shifting their responses in the original context.</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.