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10 results for “critical mass”
Group size effects and critical mass in public goods games
<pre>This dataset accompanies the paper "Group size effects and critical mass in public goods games", https://doi.org/10.1038/s41598-019-41988-3 It records participant decisions in a set of binary one-shot Public Goods Games with curvilinear payoff function (see details in the paper). The explanation of the data fields is present also in the metadata of the file: # Cooperation: 0=defection, 1=cooperation, 99=the participant did not make the decision # Group: interacting group size (N) # Treatment: Critical Mass Nc # dropout: 1=the participant did not make the decision, 0=the participant made the decision # incompleted: 1=participant did not make all the decisions of the experiment; 0=participant did made all the decisions of the experiment # female: 1=female, 0=male </pre> <p> </p>
Body mass, temperature, and pathogen intensity differentially affect critical thermal maxima and their population-level variation in a solitary bee
<p>Climate change presents a major threat to species distribution and persistence. Understanding what abiotic or biotic factors influence the thermal tolerances of natural populations is critical to assessing their vulnerability under rapidly changing thermal regimes. This study evaluates how body mass, local climate, and pathogen intensity influence heat tolerance and its population-level variation (SD) among individuals of the solitary bee <em>Xenoglossa pruinosa</em>. We assess the sex-specific relationships between these factors and heat tolerance given the differences in size between sexes and the ground-nesting behavior of the females. We collected <em>X. pruinosa</em> individuals from fourteen sites across Pennsylvania, USA that varied in mean temperature, precipitation, and soil texture. We measured the critical thermal maxima (CT<sub>max</sub>) of <em>X. pruinosa</em> individuals as our proxy for heat tolerance, and used quantitative PCR to determine relative intensities of three parasite groups—trypanosomes, <em>Spiroplasma apis</em> (mollicute bacteria), and <em>Vairimorpha apis</em> (microsporidian). While there was no difference in CT<sub>max</sub> between the sexes, we found that CT<sub>max</sub> increased significantly with body mass, and that this relationship was stronger for males than for females. Air temperature, precipitation, and soil texture did not predict mean CT<sub>max</sub> for either sex. However, population-level variation in CT<sub>max</sub> was strongly and negatively correlated with air temperature, which suggests that temperature is acting as an environmental filter. Of the parasites screened, only trypanosome intensity correlated with heat tolerance. Specifically, trypanosome intensity negatively correlated with the CT<sub>max</sub> of female <em>X. pruinosa</em> but not males. Our results highlight the importance of considering size, sex, and infection status when evaluating thermal tolerance traits. Importantly, this study reveals the need to evaluate trends in the variation of heat tolerance within and between populations, and consider implications of reduced variation in heat tolerance for the persistence of ectotherms in future climate conditions. </p>
Body mass, temperature, and pathogen intensity differentially affect critical thermal maxima and their population-level variation in a solitary bee
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Protein Dosing Strategies in Critically Ill Patients: Comparing Actual Body Weight and Fat-Free Mass Approaches in an Observational Cohort Study
ClinicalTrials.gov study NCT07312708. IPD Sharing: NO. Countries: 1. Publications: 0.
Predicting Resting Energy Expenditure in Critically Ill Patients by Measuring Lean Body Mass by US
ClinicalTrials.gov study NCT03193632. IPD Sharing: UNDECIDED. Countries: 1. Publications: 9.
Muscle Mass Loss in Critically Ill Patients.
ClinicalTrials.gov study NCT03865095. IPD Sharing: NO. Countries: 1. Publications: 1.
Effects of Neuromuscular Electrical Stimulation on Muscle Mass and Strength in Critically Ill Patients After Cardiothoracic Surgery
ClinicalTrials.gov study NCT02391103. IPD Sharing: Not stated. Countries: 0. Publications: 10.
Time-resolved small-RNA sequencing identifies microRNAs critical for formation of embryonic stem cells from the inner cell mass of mouse embryos
GEO Series GSE205361. Mus musculus. 18 samples. Type: Expression profiling by high throughput sequencing.
Mortality and Muscle Mass Loss in Critically Ill Patients.
ClinicalTrials.gov study NCT07280039. IPD Sharing: NO. Countries: 1. Publications: 0.
Observational, Prospective, Single-center Study: Should Body Mass Index (BMI) be Added to the Scoring Criteria of Hepatic Critically Ill Patients in Intensive Care Unit??
ClinicalTrials.gov study NCT03461523. IPD Sharing: Not stated. Countries: 1. Publications: 0.
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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.