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ShareScore release 0.9.0
Dataset results
16 results for “signals and cues”
Collective synchrony of mating signals modulated by ecological cues and social signals in bioluminescent sea fireflies
<p><span>Individuals often employ simple rules that can emergently synchronise behaviour. Some collective behaviours are intuitively beneficial, but others like mate signalling in leks occur across taxa despite theoretical individual costs. Whether disparate instances of synchronous signalling are similarly organised is unknown, largely due to challenges observing many individuals simultaneously. Recording field collectives and <em>ex situ</em> playback experiments, we describe principles of synchronous bioluminescent signals produced by marine ostracods (Crustacea; Luxorina) that seem behaviorally convergent with terrestrial fireflies, and with whom they last shared a common ancestor over 500 mya. Like synchronous fireflies, groups of signalling males use visual cues (intensity and duration of light) to decide when to signal. Individual ostracods also modulate their signal based on the distance to nearest neighbours. During peak darkness, luminescent "waves" of synchronous displays emerge and ripple across the sea floor every ~60 seconds, but such periodicity decays within and between nights after the full moon. Our data reveal these bioluminescent aggregations are sensitive to both ecological and social light sources. Because the function of collective signals is difficult to dissect, evolutionary convergence, like in the synchronous visual displays of diverse arthropods, provides natural replicates to understand the generalities that produce emergent group behaviour.</span></p>
Collective synchrony of mating signals modulated by ecological cues and social signals in bioluminescent sea fireflies
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Data from: The evolutionary origins of natural pedagogy: Rhesus monkeys show sustained attention following nonsocial cues versus social communicative signals
<p>The natural pedagogy hypothesis proposes that human infants preferentially attend to communicative signals from others, facilitating rapid cultural learning. In this view, sensitivity to such signals are a uniquely human adaptation and as such nonhuman animals should not produce or utilize these communicative signals. We test these evolutionary predictions by examining sensitivity to communicative cues in 206 rhesus monkeys (<i>Macaca mulatta</i>) using an expectancy looking time task modeled on prior work with infants. Monkeys observed a human actor who either made eye contact and vocalized to the monkey (<i>social cue</i>), or waved a fruit in front of her face and produced a tapping sound (<i>nonsocial cue</i>). The actor then either looked at an object (<i>referential look</i>) or looked towards empty space (<i>look away</i>). We found that, unlike human infants in analogous situations, rhesus monkeys looked longer at events following nonsocial cues, regardless of the demonstrator's subsequent looking behavior. Moreover, younger and older monkeys showed similar patterns of responses across development. These results provide support for the natural pedagogy hypothesis, while also highlighting evolutionary changes in human sensitivity to communicative signals.</p>
Identifying potential cues of species identity in complex animal signals
<p>Communication signals are often key for encoding information on species identity, but determining the features important in conveying those cues is challenging. This is especially the case when attempting to compare across closely related sympatric taxa, where the need for accurate species recognition is critical. We developed an analytical framework to comprehensively quantify the complex movement displays used by male lizards to advertise territory ownership in 11 taxa of Puerto Rican <em>Anolis</em>, many of which were sympatric. Our analyses were able to assign the majority of individuals to the correct population of a given species based on only a handful of displays, showing ample information exists in these displays for species recognition. Instances where lizards were misassigned appeared to have occurred because of similarities in display design resulting from local adaptation to similar environments or recent shared evolutionary history. Our analyses also revealed there was no common ('magic') display characteristic for recognition across the 11 taxa. Instead, lizards likely assess the entire display or a combination of different display cues. Taken together, we illustrate a powerful approach that offers a rigorous statistical and holistic evaluation of complex animal signals for elucidating features likely to be important in species recognition. We provide a guide for implementing this analytical framework in R, with associated code and worked examples. Information obtained from these analyses can then be used to design experiments testing the utility of identifying cues or comparative studies investigating how those cues contribute to reproductive isolation among populations and ultimately speciation.</p>
Data from: The evolutionary origins of natural pedagogy: Rhesus monkeys show sustained attention following nonsocial cues versus social communicative signals
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Identifying potential cues of species identity in complex animal signals
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Dopamine axon population Ca signals in the striatum during odor cue- and reward-based choice tasks in mice
<p>Dopamine axon activity in the ventral, dorsomedial, and dorsolateral striatum was recorded, while mice performed a perceptual and value-based decision-making task. In one experiment, thirsty mice performed a perceptual decision-making task using mixtures of odor A and B (100/0, 90/10, 65/35, 35/65, 10/90, 0/100), in which identity of a dominant odor determined an available water port, and odor C which signaled no outcome. A fixed amount of water was always delivered with a correct choice. In the next experiment, mice performed a perceptual and value-based decision-making task using mixtures of odor A and B (100/0, 65/35, 35/65, 0/100), in which identity of a dominant odor determined an available water port, with probabilistic water reward. In this task, a fixed amount of water was delivered in block 1, and then in block 2, one water port delivered big or medium size of water in a pseudo-random order, and another water port delivered medium or small size of water in a pseudo-random order. In both tasks, odor-water port (left or right) rule was held constant throughout training and recording in each animal.</p>
Data from: A novel alarm signal in aquatic prey: Familiar minnows coordinate group defences against predators through chemical disturbance cues
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Dopamine axon population Ca signals in the striatum during odor cue- and reward-based choice tasks in mice
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Data from: Multimodal signals: ultraviolet reflectance and chemical cues in stomatopod agonistic encounters
Complex signals are commonly used during intraspecific contests over resources to assess an opponent's fighting ability and/or aggressive state. Stomatopod crustaceans may use complex signals when competing aggressively for refuges. Before physical attacks, stomatopods assess their opponents using chemical cues and perform threat displays showing a coloured patch, the meral spot. In some species, this spot reflects UV. However, despite their complex visual system with up to 20 photoreceptor classes, we do not know if stomatopods use chromatic or achromatic signals in contests. In a field study, we found that Neogonodactylus oerstedii meral spot luminance varies with sex, habitat and, more weakly, body length. Next, we conducted an experimental manipulation which demonstrated that both chemical cues and chromatic signals are used during contests. In the absence of chemical cues, stomatopods approached an occupied refuge more quickly and performed offensive behaviours at a lower rate. When UV reflectance was absent, stomatopods performed offensive behaviours more frequently and contest duration trended towards shorter fights. These results provide new evidence that UV reflectance and/or visible spectrum luminance is used to amplify threat displays. Our results are the first to demonstrate that chemical and chromatic cues comprise a multimodal signal in stomatopod contests.
Data from: Multimodal signals: ultraviolet reflectance and chemical cues in stomatopod agonistic encounters
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Identification of differential signaling cues in insulin/IGF1 signaling pathways in breast cancer
GEO Series GSE80233. Homo sapiens. 945 samples. Type: Protein profiling by protein array.
Axon guidance signal ensures neurite growth pace while sensitizing repulsive cues through induction of a dual function facilitator
GEO Series GSE196558. Mus musculus. 8 samples. Type: Expression profiling by high throughput sequencing.
Activation of a singlet oxygen signaling pathway by competition cues in Arabidopsis thaliana
GEO Series GSE213185. Arabidopsis thaliana. 9 samples. Type: Expression profiling by high throughput sequencing.
Afferent Neurocardiac Signals, Cue Reactivity, and Cognitive Control
ClinicalTrials.gov study NCT05369169. IPD Sharing: YES. Countries: 1. Publications: 0.
Toxoplasma gondii dictates placental trophoblast lineage specification through induction of decidual signaling cues [single nuclei multiome]
GEO Series GSE276786. Homo sapiens. 8 samples. Type: Expression profiling by high throughput sequencing; Genome binding/occupancy profiling by high throughput sequencing.
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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.