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4,028 results for “Behaviour”
Linked collectors and determiners for: Navigator, a new endemic genus of Cetoniinae (Coleoptera: Scarabaeidae) from Australia, with descriptions of two new species and behavioural studies.
Natural history specimen data linked to collectors and determiners held within, "Navigator, a new endemic genus of Cetoniinae (Coleoptera: Scarabaeidae) from Australia, with descriptions of two new species and behavioural studies". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/f9f36ad7-2af7-4b6f-bc33-37418b11470b">https://bionomia.net/dataset/f9f36ad7-2af7-4b6f-bc33-37418b11470b</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/f9f36ad7-2af7-4b6f-bc33-37418b11470b">https://gbif.org/dataset/f9f36ad7-2af7-4b6f-bc33-37418b11470b</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Tettigettalna josei (Boulard, 1982) (Hemiptera: Cicadoidea): first record in Spain, with notes on the distribution, genetic variation and behaviour of the species.
Natural history specimen data linked to collectors and determiners held within, "Tettigettalna josei (Boulard, 1982) (Hemiptera: Cicadoidea): first record in Spain, with notes on the distribution, genetic variation and behaviour of the species". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/88ce1fb7-0566-4486-bd63-9c1fbc422b30">https://bionomia.net/dataset/88ce1fb7-0566-4486-bd63-9c1fbc422b30</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/88ce1fb7-0566-4486-bd63-9c1fbc422b30">https://gbif.org/dataset/88ce1fb7-0566-4486-bd63-9c1fbc422b30</a>. Formatted as a Frictionless Data package.
Enhancing Smartphone Battery Life: A Deep Learning Model Based on User-Specific Application and Network Behaviour
<p>This work presents an analysis based on training AI models directly on devices to make personalized predictions tailored to individual usage patterns, ensuring that each user benefits from a personalized approach to battery management. By integrating these AI-based insights, mobile devices can proactively manage power consumption, improving battery performance and user satisfaction. This personalized, intelligent approach to battery management represents a significant advance in optimizing device efficiency and addresses the growing demand for longer-lasting mobile technology.</p>
Controls on post-seismic landslide behaviour in brittle rocks - Datasets
<p>Datasets summarising:</p> <p>1. DynBPS direct shear data;</p> <p>2. physical properties of the Tubul Sandstone analysed; and</p> <p>3. post-shear height profiles along samples, derived from Structure-from-Motion photogrammetry.</p>
A relative-motion method for parsing spatio-temporal behaviour of dyads using GPS relocation data
<p>In this paper, we introduce a novel method for classifying and computing the frequencies of movement modes of intra- and interspecific dyads, focusing in particular on distance-mediated approach, retreat, following and side by side movement modes. Besides distance, other factors such as time of day, season, sex, or age can be included in the analysis to assess if they cause frequencies of movement modes to deviate from random. By subdividing the data according to selected factors, our method allows us to identify those responsible for (or correlated with) significant differences in the behaviour of dyadic pairs. We demonstrate and validate our method using both simulated and empirical data. Our simulated data were obtained from a relative-motion, biased random-walk (RM-BRW) model with attraction and repulsion components. Our empirical data were GPS relocation data collected from African elephants in Etosha National Park, Namibia. The simulated data were primarily used to validate our method while the empirical data were used to illustrate the types of behavioural assessment that our methodology reveals. Our method facilitates automated, observer-bias-free analysis of the locomotive interactions of dyads using GPS relocation data, which are becoming increasingly ubiquitous as telemetry and related technologies improve. It should open up a whole new vista of behavioural-interaction type analyses to movement and behavioural ecologists.</p>
Longitudinal structural MRI and behavioural data for mice prenatally exposed to maternal immune activation either early or late in gestation
<p>Prenatal maternal immune activation (MIA) is a risk factor for neurodevelopmental disorders. How the gestational timing of MIA-exposure differentially impacts downstream development remains unclear. The data presented here includes longitudinal structural magnetic resonance imaging (MRI) data from weaning to adulthood, and behavioural testing in adolescence and adulthood on C57BL/6 mice exposed to MIA induced by the viral mimetic, polyinosinic:polycytidylic acid (poly I:C) either early (gestational day [GD]9) or late (GD17) in gestation. </p> <p>The data published here was collected and analyzed for the following publication, where more details can be found (Guma et al., 2021 https://doi.org/10.1016/j.biopsych.2021.03.017). Briefly, we found that early MIA-exposure was associated with accelerated brain volume increases in adolescence/early-adulthood that normalized in later adulthood, in regions including the striatum, hippocampus, and cingulate cortex. Similarly, alterations in anxiety-like, stereotypic, and sensorimotor gating behaviours observed in adolescence normalized in adulthood. In contrast, MIA-exposure in late gestation had less impact on anatomical and behavioural profiles. </p> <p>In addition to the univariate analyses described above, we also undertook a multivariate analysis (partial least squares) to relate imaging and behavioural variables for the time of greatest alteration, i.e. adolescence/early adulthood. We further explored the molecular underpinnings of region-specific alterations in early MIA-exposed mice in adolescence using RNA sequencing (data for differentially expressed genes in the anterior cingulate cortex, dorsal hippocampus, and ventral hippocampus are available via the original publication https://doi.org/10.1016/j.biopsych.2021.03.017 for a separate cohort of adolescent mice prenatally exposed to MIA or vehicle at GD9). </p> <p>In this dataset, you will find a total of <strong>376 preprocessed structural MRIs</strong> (in MINC format) acquired at postnatal day ~21, ~38, ~60, and ~90 in mice exposed to poly I:C or vehicle control (0.9% sterile saline) at GD9 or 17. These are T1-weighted, manganese enhanced (50mg/kg 24 hours pre-scan), structural images at 100 micron isotropic resolution acquired on a 7 Tesla Bruker Biospec 70/30; matrix size of 180 x 160 x 90; 14.5 minutes, 2 averages, using 5% isoflurane for induction, 1.5% for maintenance of anesthesia during the scan. T1-weighted scans were preprocessed by stripping native coordinates, flipping left-right to maintain fidelity, denoising, correcting inhomogeneities in the bias field using the N4 algorithm, and registering in LSQ6 alignment (i.e. 6 degrees of freedom are allowed for imagine alignment: translations and rotations along x, y, and z dimensions). The demographics information for each animal is included in the <strong>demographics.csv</strong> file. </p> <p>Behavioural tests were performed following the postnatal day 38 and 90 scans in all animals with a 2 day rest period. These include: open field test, marble burying test, three chambered social approach, and prepulse inhibition. The attentional set shifting task was also performed following the final behavioural test in the postnatal day 90 wave of behaviours. The data for all of these tests is presented in its own individual .csv spreadsheet and includes data for both the timepoints evaluated.</p> <p>Included in this data set are the structural MRIs in MINC format, the behavioural .csv data, and a <strong>readme.txt</strong> file providing further detail on the data structure and content, and on how to interpret the data column titles. DICOMS are also available for the structural MRI data, as are the raw (not-preprocessed) MINC files, available upon request to the authors. </p> <p>Finally, the authors would like to acknowledge the funding bodies that supported the completion of this work including the Canadian Institute for Health Research, the Fonds de Recherche du Québec en Santé, and the Healthy Brains for Healthy Lives at McGill University.</p>
Data and code for "Sick and Tired: Sickness Behaviour, Polyparasitism and Food Stress in a Gregarious Mammal"
<p>Data and R code for used for "Sick and Tired: Sickness Behaviour, Polyparasitism and Food Stress in a Gregarious Mammal"</p>
Supplementary material to "Exogenous corticosterone and melanin-based coloration explain variation in juvenile dispersal behaviour in the barn owl (Tyto alba)"
<p><strong>Abstract</strong></p> <p>Natal dispersal affects many processes such as population dynamics. So far, most studies have examined the intrinsic and extrinsic factors that determine the distance between the place of birth and of first breeding. In contrast, few researchers followed the first steps of dispersal soon after fledging. To study this gap, we radio-tracked 95 barn owl nestlings (<em>Tyto alba</em>) to locate their diurnal roost sites from the fledging stage until December. This was used to test whether the age of nest departure, post-fledging movements and dispersal distance were related to melanin-based coloration, which is correlated to fitness-related traits, as well as to corticosterone, a hormone that mediates a number of life history trade-offs and the physiological and behavioural responses to stressful situations. We found that the artificial administration of corticosterone delayed the age when juveniles left their parental home-range in females but not in males. During the first few months after fledging, longer dispersal distances were reached by females compared to males, by individuals marked with larger black feather spots compared to individuals with smaller spots, by larger individuals and by those experimentally treated with corticosterone. We conclude that the onset and magnitude of dispersal is sensitive to the stress hormone corticosterone, melanin-based coloration and body size. </p>
Figure 1 in Breeding behaviour and mating success of Phyllomedusa rohdei (Anura, Hylidae) in south-eastern Brazil
Figure 1. Female of Phyllomedusa rohdei folding a leaf with her arms and legs, before entering amplexus. At this moment, the leaf is not immediately glued (drawing from a photo).
Figure 2 in Reproductive ecology and behaviour of a species of Adenomera (Anura, Leptodactylinae) with endotrophic tadpoles: Systematic implications
Figure 2. The tadpole of Adenomera sp. Above: lateral view of the left side (scale bar: 4.0 mm). Below: detail of the oral apparatus (scale bar: 0.5 mm). Specimen from Uberlândia (MG, Brazil).
Figure 1 in Reproductive ecology and behaviour of a species of Adenomera (Anura, Leptodactylinae) with endotrophic tadpoles: Systematic implications
Figure 1. Rainfall in the municipality of Uberlândia. Lines represent median values over the last 21 years; columns represent values accumulated over the pitfall sampling period (seasons 1999/2000 and 2000/2001). Data from meteorological station of the Universidade Federal de Uberlândia (Campus Santa Mônica).
Figure 4 in Reproductive ecology and behaviour of a species of Adenomera (Anura, Leptodactylinae) with endotrophic tadpoles: Systematic implications
Figure 4. Oscillogram (first row), audiospectrogram (second and fourth rows) and power spectrum (third row) of the advertisement call of Adenomera sp. The first three rows are representations of single notes, the fourth represents a sequence of three notes. Recording files: first column, Adenomspmg2AAGd (17 December 2003, 17:00 h, air 24°C, unvouchered recording); second column, AdenomspmgAAGd (10 December 2003, 20:10 h, air 26°C, unvouchered recording); fourth row, AdenomspmgAAG21 (5 October 1999, 19:40 h, air 21°C, voucher AAG-UFU 2633).
Figure 3 in Reproductive ecology and behaviour of a species of Adenomera (Anura, Leptodactylinae) with endotrophic tadpoles: Systematic implications
Figure 3. Monthly variation in abundance of adults (males and females) and juveniles of Adenomera sp. in pitfall traps in two localities at the municipality of Uberlândia, Minas Gerais, Brazil. Above: Caça e Pesca sample (N572 adults, 32 juveniles). Below: Panga sample (N513 adults and 13 juveniles). Sampling period from October 1999 to October 2001. The monthly samples are not independent, since the trapped specimens were removed from the environment.
Figure 5 in Reproductive ecology and behaviour of a species of Adenomera (Anura, Leptodactylinae) with endotrophic tadpoles: Systematic implications
Figure 5. Territorial call of Adenomera sp. Above left: audiospectrogram of a sequence of three calls. Above right: oscillogram of single note. Below left: audiospectrogram of single note. Below right: power spectrum of single note. Record file AdenomspmgbAAG27, 14 November 2002, 20:30 h, air 23.0°C (unvouchered).
Figure 2 in The natural history of the parasitic wasp Trogus pennator (Hymenoptera: Ichneumonidae): Host-finding behaviour and a possible host countermeasure
Figure 2. The frequency of plants damaged by Eurytides marcellus in the population was estimated at 16.4%. In contrast, 36% of the plants visited by the wasps were damaged (P,0.001, chi-square test).
Figure 3 in The natural history of the parasitic wasp Trogus pennator (Hymenoptera: Ichneumonidae): Host-finding behaviour and a possible host countermeasure
Figure 3. For those wasps (n533) that landed on and searched both undamaged Asimina plants and plants that were damaged by Eurytides marcellus, average searching times were significantly longer on damaged plants (P50.0016, two-tailed paired t test).
Figure 4 in The natural history of the parasitic wasp Trogus pennator (Hymenoptera: Ichneumonidae): Host-finding behaviour and a possible host countermeasure
Figure 4. The average height of plants searched by Trogus pennator (n557 wasps, range58–145 cm) and selected for oviposition by Eurytides marcellus (n541 butterflies, range52–95 cm) was compared in spring 1997. The wasps searched plants significantly taller than those preferred by the female butterflies (P,0.0001, two-tailed t test).
Figure 1. A in The natural history of the parasitic wasp Trogus pennator (Hymenoptera: Ichneumonidae): Host-finding behaviour and a possible host countermeasure
Figure 1. A vegetation survey was conducted in spring 1997 to establish the frequency of Asimina among the broad-leaved plants in the understorey. The mean percentage Asimina was determined at 7.5% by counting stems in 5 m×5 m plots. Plants counted as ''other'' most commonly included Quercus incana, Q. laevis, Vitis rotundifolia Micheaux, V. aestivalis Micheaux, Mimosa, sp., Smilax spp., and several unidentified Compositae. In contrast, 93.3% of plants visited by the wasps were Asimina (P,0.001, chi-square test).
Figure 11 in Ecology and behaviour of the 'road tarantulas' Eupalaestrus weijenberghi and Acanthoscurria suina (Araneae, Theraphosidae) from Uruguay
Figure 11. Temporal distribution of moults of adult Acanthoscurria suina under laboratory conditions.
Figure 5 in Ecology and behaviour of the 'road tarantulas' Eupalaestrus weijenberghi and Acanthoscurria suina (Araneae, Theraphosidae) from Uruguay
Figure 5. Temporal distribution of beetles and tarantulas captured by pit-fall traps during summer 1998–1999.
ScienceDex guides
Understand access before you commit
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.