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151 results for “complex signal”
Data from: Dialogues in colour and behaviour: Integration of complex signalling traits and physiology
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Data from: Why does the complexity of functionally equivalent signals vary across closely related species?
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Identifying potential cues of species identity in complex animal signals
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Data from: Multivariate phenotypic selection on a complex sexual signal
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Embryo survival in the oviduct not significantly influenced by major histocompatibility complex social signaling in the horse
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The role of secondary pollinators in the evolution of complex colour signals in a bimodal pollination system
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Data for: Sensory biases in response to novel complex acoustic signals in male and female gray treefrogs, Hyla chrysoscelis
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Data from: Increased signal complexity is associated with increased mating success
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Data from: Environmental conditions limit attractiveness of a complex sexual signal in the túngara frog
Animals choosing particular display sites often balance sexual and natural selection pressures. Here we assess how physical properties of display sites can alter this balance by influencing signal production and attractiveness of the túngara frog (Physalaemus pustulosus). Males that call from very shallow water bodies (few mm depth) benefit from reduced predation risk, but by manipulating water levels, we show that this comes at a cost of reduced attractiveness to females. Our data show that calling from shallower water reduces a male's ability to float, limits the inflation of his vocal sac, and consequently reduces signal conspicuousness in terms of amplitude and complexity. Our results demonstrate that display site properties can set limits on signal production and attractiveness and may hence influence signal evolution. Signallers may shift between sites or engineer their display location, which can play a crucial role in signal divergence and speciation, particularly in a rapidly changing world.
Data from: Major histocompatibility complex-linked social signalling affects female fertility
Genes of the major histocompatibility complex (MHC) have been shown to influence social signalling and mate preferences in many species, including humans. First observations suggest that MHC signalling may also affect female fertility. To test this hypothesis, we exposed 191 female horses (Equus caballus) to either a MHC-similar or a MHC-dissimilar stimulus male around the time of ovulation and conception. A within-subject experimental design controlled for non-MHC linked male characteristics, and instrumental insemination with semen of other males (N=106) controlled for potential confounding effects of semen or embryo characteristics. We found that females were more likely to become pregnant if exposed to a MHC-dissimilar than to a MHC-similar male, while overall genetic distance to the stimulus males (based on microsatellite markers on 20 chromosomes) had no effect. Our results demonstrate that early pregnancy failures can be due to maternal life-history decisions (cryptic female choice) influenced by MHC-linked social signalling.
Habitat complexity and complex signal function – exploring the role of ornamentation
<p>Animals often communicate in complex, heterogeneous environments, leading to hypothesized selection for increased detectability or discriminability in signaling traits. The extent to which secondary sexual ornaments have evolved to overcome the challenges of signaling in complex environments, however, remains understudied, especially in comparison to their role as indicator traits. This study tested the hypothesis that the condition-dependent secondary sexual ornamentation in the wolf spider Rabidosa rabida functions to increase detectability/discriminability in visually complex environments. We predicted that male ornamentation would interact with the complexity of the signaling environment to affect male mating success. In particular, we expected ornaments to confer a greater mating advantage when males courted in visually complex environments. To test this, we artificially manipulated male foreleg ornamentation (present/absent) and ran repeated-measures mating trials across laboratory microcosms that represented simple versus complex visual signaling environments. Microcosm visual complexity differed in their background pattern, grass stem color and grass stem placement. We found that ornamented males mated more often and more quickly than unornamented males across both environments, but we found no support for an ornament-by-environment interaction. Male courtship rate, however, did interact with the signaling environment. Despite achieving the same level of mating success across signaling environments, ornamented males courted less rapidly in complex versus simple environments, while environmental complexity had no influence on unornamented male courtship rates. Our results suggest that the visual complexity of the signaling environment influences the interactive influence of ornamentation and dynamic visual courtship on female mate choice.</p>
Signal propagation within the MCL-1/BIM protein complex - DATA
<p>Data supporting: "Signal propagation within the MCL-1/BIM protein complex"; Journal of Molecular Biology (JMB), February 2022 (DOI: 10.1016/j.jmb.2022.167499). </p>
Multiscale Entropy Analysis of Retinal Signals Reveals Reduced Complexity in a Mouse Model of Alzheimer's Disease
<p>MEA recordings from wild-type and 5xFAD mice retinas used for the analyses in the manuscript "Multiscale Entropy Analysis of Retinal Signals Reveals Reduced Complexity in a Mouse Model of Alzheimer's Disease".</p>
FIGURE 1 in The complex communication signals in the mating behavior of the tropical cricket Cranistus colliurides Stål, 1861 (Orthoptera: Grylloidea; Trigonidiidae: Phylloscyrtini)
FIGURE 1 Mating behavior sequence of Cranistus colliurides, (a) male/female antennation prior courtship, (b) courtship position, (c) male with exposed spermatophore, (d) copulation, (e) male displaying bursts of fast vibrations at post-copulation stage.
Structural Model of OSM-OSMRβ-gp130 Ternary Complex Reveals the Pathways of Allosteric Communication in OSM Signaling
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Data from: Major histocompatibility complex-linked social signalling affects female fertility
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Data from: Developmental timing of signals affects information content: song complexity but not consistency reflects innate immune strategy in male song sparrows
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Signal evolution and morphological complexity in hummingbirds (Aves: Trochilidae)
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Data from: Environmental conditions limit attractiveness of a complex sexual signal in the túngara frog
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Data from: Receiver discriminability drives the evolution of complex sexual signals by sexual selection
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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.