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41 results for “Avoidance behavior”
Avoiding sedentary behaviors requires more cortical resources than avoiding physical activity
<p><strong>Dataset related to the paper entitled "Avoiding sedentary behaviors requires more cortical resources than avoiding physical activity". </strong></p> <p>This dataset includes:</p> <p>1) A workbook</p> <p>2) Raw data ("raw_data_eprime_zen.csv") of the behavioral outcomes of the manikin task</p> <p>3) Self-reported data ("data_self_report_R_subset_zen.csv").</p> <p>4) Electroencephalography data ("ERP_by_subject_by_condition_data.zip").</p> <p>5) R script for the data management of the behavioral outcomes (i.e., from the raw data to data ready to be analyzed)</p> <p>6) Images used in the manikin task</p> <p>7) Eprime script for the manikin task</p>
Figures 1-2 in Optimal foraging or predator avoidance: why does the Amazon spider Hingstepeira folisecens (Araneae: Araneidae) adopt alternative foraging behaviors?
Figures 1-2. Hingstepeira folisecens orb web in an area of the Amazon forest, Brazil: (1) vertical orb web with the rolled dry leaf used as a shelter by the spider attached to the hub; (2) shelter's detail showing the entrance oriented just downwards and the spider leaving it. Scale bars: 1 = 10 mm, 2 = 5 mm.
Nonaggressive behavior: A strategy employed by an obligate nest invader to avoid conflict with its host species
<p>In addition to its builders, termite nests are known to house a variety of secondary opportunistic termite species so‐called inquilines, but little is known about the mechanisms governing the maintenance of these symbioses. In a single nest, host and inquiline colonies are likely to engage in conflict due to nestmate discrimination, and an intriguing question is how both species cope with each other in the long term. Evasive behaviour has been suggested as one of the mechanisms reducing the frequency of host‐inquiline encounters, yet, the confinement imposed by the nests' physical boundaries suggests that cohabiting species would eventually come across each other. Under these circumstances, it is plausible that inquilines would be required to behave accordingly to secure their housing. Here, we show that once inevitably exposed to hosts individuals, inquilines exhibit nonthreatening behaviours, displaying hence a less threatening profile and preventing conflict escalation with their hosts. By exploring the behavioural dynamics of the encounter between both cohabitants, we find empirical evidence for a lack of aggressiveness by inquilines towards their hosts. Such a nonaggressive behaviour, somewhat uncommon among termites, is characterised by evasive manoeuvres that include reversing direction, bypassing and a defensive mechanism using defecation to repel the host. The behavioural adaptations we describe may play an important role in the stability of cohabitations between host and inquiline termite species: by preventing conflict escalation, inquilines may improve considerably their chances of establishing a stable cohabitation with their hosts.</p>
Data from: Seasonal variation in behavioral thermoregulation and predator avoidance in a small mammal
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Data from: Why have multiple plastic responses? Interactions between color change and heat avoidance behavior in Battus philenor larvae
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Nonaggressive behavior: A strategy employed by an obligate nest invader to avoid conflict with its host species
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Data from: No geographic variation in thermoregulatory color plasticity and limited variation in heat-avoidance behavior in Battus philenor caterpillars
Phenotypic plasticity can help organisms cope with variation in their current environment, including temperature variation, but not all environments are equally variable. In the least variable or extreme environments, plasticity may no longer be used. In this case, the plasticity could be lost all together, or it could persist with either the same or an altered reaction norm, depending on factors such as the plasticity's costs. In the pipevine swallowtail caterpillar (Battus philenor), I tested for changes in two forms of heat-avoidance plasticity, color change and refuge-seeking behavior, across the species' range in the United states, including the cooler eastern parts of its range where color change has not been observed and is unlikely to be needed. I found that both heat-avoidance behavior and color change persisted in all surveyed populations. Indeed, the reaction norm for color change remained nearly unaltered, while the threshold for refuge-seeking only changed slightly across populations. These results suggest that the costs of these plastic traits are low enough for them to be maintained by whatever minimal gene flow the population receives. I show that plasticity can be maintained unaltered in populations where it is not used and discuss the potential consequences of this persistence for both the ecology and evolution of plasticity.
Data from: Urbanization alters predator avoidance behaviors
1. Urbanization is considered the fastest growing form of global land use change and can dramatically modify habitat structure and ecosystem function. While ecological processes continue to operate within cities, urban ecosystems are profoundly different from their more natural counterparts. Thus, ecological predictions derived from more natural ecosystems are rarely generalizable to urban environments. 2. In this study we used data from a large-scale and long-term camera trapping project in Chicago IL, USA to determine whether urbanization alters predator avoidance behavior of urban prey species. 3. We studied three behavioral mechanisms often induced by the fear of predation (spatial distribution, daily activity patterns, and vigilance) of white-tailed deer (Odocoileus virginianus) and eastern cottontail (Sylvilagus floridanus) when coyote (Canis latrans) – an urban apex predator – was present in the same habitat patch. 4. We found no evidence of spatial segregation between coyote and either prey species. Furthermore, neither white-tailed deer nor eastern cottontail changed their daily activity or increased vigilance in urban areas when coyotes were present. Eastern cottontail, however, had their uppermost level of vigilance in highly urban sites when coyotes were absent. 5. Our study demonstrates that predator-prey dynamics might be modified in urban ecosystems – moving from what is traditionally thought of as a two-player system (predator and prey) to a three-player system (predator, prey, and people).
Data from: Interspecific analysis of vehicle avoidance behavior in birds
Among the most widespread forms of anthropogenic modification of the natural landscape is road construction, with vehicle mortality a major issue affecting amphibians, reptiles, mammals, and birds. Why some species are more susceptible to vehicle collision than others, however, is poorly understood. We examine how roadside vegetation patterns, road size, vehicle speed, and brain size influence vehicle avoidance behavior using more than 3700 individuals of 11 species of European birds. We find that on larger roads and at higher vehicle speeds, birds were more likely to fly away from the road than to cross it. Moreover, species with a larger relative brain size flew away from the road more often than species with a small brain size, something that may in part explain interspecies differences in vehicle collision mortality rates. Our results provide important insights into factors that influence vehicle avoidance behavior in birds and show that brain size can be an important trait for adjusting to novelties in their environment.
Ranavirus infection-induced avoidance behavior in wood frog juveniles: Do amphibians socially distance?
<p>Hosts may limit exposure to pathogens through changes in behavior, such as avoiding infected individuals or contaminated areas. Here, we tested for a behavioral response to ranavirus infection in juvenile wood frogs (<em>Rana sylvatica</em>) because the majority of dispersal between populations occurs during this life stage. We hypothesized that if infections are transmissible and detectable at this life stage, then susceptibles would display avoidance behaviors when introduced to an infected conspecific. Despite no apparent signs of infection, we observed a greater distance between susceptible-infected pairs, compared to pairs of either two infected or two susceptible animals. Further, distances between susceptible-infected pairs were positively related to the infection intensity of the focal exposed frog, suggesting the cue to avoid infected conspecifics may become more detectable with more intense infections. Although we did not quantify whether transmission was affected by their distancing, our findings suggest that juvenile frogs have the potential to reduce terrestrial transmission of ranaviruses through avoidance behaviors.</p>
Zebrafish capable of generating future state prediction error show improved active avoidance behavior in virtual reality [Dataset]
<p>The calcium imaging data of the telencephalon of head-tethered adult zebrafish during GO/NOGO tasks in the virtual reality environment and the behavior data were deposited.</p> <p>The codes to process the neural activity data by calcium imaging to perform Non-negative Matrix Factorization </p> <p>For details, see "Zebrafish capable of generating future state prediction error show improved active avoidance behavior in virtual reality" Torigoe et al., Nature Communications in press.</p>
Data for: Effects of domestication and captive breeding on reaction to moving objects: Implications for avoidance behaviors of obstacles and predators by masu salmon Oncorhynchus masou
<p>Domestication and captive breeding can compromise obstacle- and predator-avoidance of animals in the wild. Whereas previous studies only examined these effects in combination, here we examine them individually by comparing the abilities of wild, F1 (offspring of wild parents), and captive-bred (approx. F15) masu salmon (<em>Oncorhynchus</em> <em>masou</em>) to avoid a falling object under experimental conditions. Rates of avoidance failure were low (wild, 12.5%; F1, 10.7%; captive-bred, 8%) under light conditions but increased under dark conditions (wild, 11.1%; F1, 32.1%; captive-bred, 60.0%). We attribute the elevated avoidance-failure rate among F1 fish to the lack of learning opportunities in hatchery environments, and the further elevation of avoidance-failure rate among captive-bred fish to the degradation of sensory organ function. These results imply reduced survival rates for F1 and captive-bred fish in the wild and are consistent with the low stocking efficiencies reported for captive-bred masu salmon.</p>
Pain Avoidance Behavior and Its Relation to Risk for Opioid Use in Chronic Pain Patients
ClinicalTrials.gov study NCT04603417. IPD Sharing: NO. Countries: 1. Publications: 3.
Approach-Avoidance, Computational Framework for Predicting Behavioral Therapy Outcome (AAC-BeT)
ClinicalTrials.gov study NCT04426461. IPD Sharing: YES. Countries: 1. Publications: 2.
Empowering Anxious Parents to Manage Child Avoidance Behaviors
ClinicalTrials.gov study NCT04453865. IPD Sharing: UNDECIDED. Countries: 1. Publications: 18.
Excessive Avoidance Behaviors in Anorexia Nervosa: the Role of Reward
ClinicalTrials.gov study NCT04405440. IPD Sharing: NO. Countries: 1. Publications: 7.
Data from: Vegetation structure mediates a shift in predator avoidance behavior in a range-edge population
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Data from: Urbanization alters predator avoidance behaviors
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Data from: No geographic variation in thermoregulatory color plasticity and limited variation in heat-avoidance behavior in Battus philenor caterpillars
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Ranavirus infection-induced avoidance behavior in wood frog juveniles: Do amphibians socially distance?
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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.