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146 results for “body measurements”
Quantification of Outcome Measures for Mind-body Interventions
ClinicalTrials.gov study NCT01308970. IPD Sharing: Not stated. Countries: 1. Publications: 1.
A Study To Taste Three New Types Of Crizotinib Formulation In Comparison Of An Oral Solution And To Measure The Amount Of Crizotinib In The Body After These Formulations Are Orally Given, Relative To
ClinicalTrials.gov study NCT02006277. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Comparison of Robot Assisted Gait Training and Body Weight Supported Treadmill Training Using Gait Analysis and SEMG Measurements
ClinicalTrials.gov study NCT06715098. IPD Sharing: NO. Countries: 1. Publications: 26.
Data from: Evaluation of two methods for minimally invasive peripheral body temperature measurement in birds
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Raw data set of pigeon body mass measurements
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Data from: Refining estimates of dry body weight from linear measurements in adult moths and butterflies (Lepidoptera)
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Data from: Molt and body measurements for Gray Hawks in the Lower Rio Grande Valley of Texas
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Using different body size measures can lead to different conclusions about the effects of climate change
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Mindreading by body: incorporating mediolateral balance and mouse-tracking measures to examine the motor basis of adults’ false-belief tracking
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Dataset for Body size impacts critical thermal maximum measurements in lizards
<p>Understanding the mechanisms behind critical thermal maxima (CTmax, the high body temperature at which neuromuscular coordination is lost) of organisms is central to understanding ectotherm thermal tolerance. Body size is an often overlooked variable that may affect interpretation of CTmax, and consequently, how CTmax is used to evaluate mechanistic hypotheses of thermal tolerance. We tested the hypothesis that body size affects CTmax and its interpretation in two experimental contexts. First, in four <i>Sceloporus</i> species, we examined how inter- and intra-specific variation in body size affected CTmax at normoxic and experimentally-induced hypoxic conditions, and cloacal heating rate under normoxic conditions. Negative relationships between body size and CTmax were exaggerated in larger species, and hypoxia-related reductions in CTmax were unaffected by body size. Smaller individuals had faster cloacal heating rates and higher CTmax, and variation in cloacal heating rate affected CTmax in the largest species. Second, we examined how body size interacted with the location of body temperature measurements (i.e., cloaca versus brain) in <i>Sceloporus occidentalis</i>, then compared this in living and deceased lizards. Brain temperatures were consistently lower than cloacal temperatures. Smaller lizards had larger brain-cloacal temperature differences than larger lizards, due to a slower cloacal heating rate in large lizards. Both live and dead lizards had lower brain than cloacal temperatures, suggesting living lizards do not actively maintain lower brain temperatures when they cannot pant. Thermal inertia influences CTmax data in complex ways, and body size should therefore be considered in studies involving CTmax data on species with variable sizes.</p>
Figure 4 from: Keronen S, Sääksjärvi IE, Hopkins T (2021) Deducing how tropical rhyssines (Hymenoptera, Ichneumonidae) mate from body measurements. Journal of Hymenoptera Research 86: 93-100. https://doi.org/10.3897/jhr.86.71615
Figure 4 Mesosoma length versus tergite 3 slenderness (length/width) of 107 male rhyssine wasps. No species showed a significant increase in slenderness with body size (linear regression, statistics in top margin). This suggests the males of these species do not scramble for emerging females. The one exception was Epirhyssa overlaeti, whose tergites got significantly more slender with body size when the significance was estimated by one-tailed correlation (p-values marked with †) instead of linear regression.
Figure 2 from: Keronen S, Sääksjärvi IE, Hopkins T (2021) Deducing how tropical rhyssines (Hymenoptera, Ichneumonidae) mate from body measurements. Journal of Hymenoptera Research 86: 93-100. https://doi.org/10.3897/jhr.86.71615
Figure 2 Mesosoma length versus forewing length of some Epirhyssa quagga males. Our proxy for body size (mesosoma length) matched the earlier used proxy (forewing length). We fitted a regression line that was significant and explained much of the variation (statistics in lower right corner).
Figure 1 from: Keronen S, Sääksjärvi IE, Hopkins T (2021) Deducing how tropical rhyssines (Hymenoptera, Ichneumonidae) mate from body measurements. Journal of Hymenoptera Research 86: 93-100. https://doi.org/10.3897/jhr.86.71615
Figure 1 Measurements taken. We estimated the size of a rhyssine wasp by measuring the length of the mesosoma (A). We estimated the slenderness of the metasoma by measuring the length (B) and width (C) of tergite 3. The forewing (D) of some wasps was also measured. Note that the left forewing is blurred in this image; these measurement images were taken mainly for the purpose of future reference, so details are not always as clear as during the measurement itself.
Figure 3 from: Keronen S, Sääksjärvi IE, Hopkins T (2021) Deducing how tropical rhyssines (Hymenoptera, Ichneumonidae) mate from body measurements. Journal of Hymenoptera Research 86: 93-100. https://doi.org/10.3897/jhr.86.71615
Figure 3 Mesosoma length and tergite 3 slenderness (length/width) of 107 male rhyssine wasps. Males of all species had similarly slender tergites 3, irrespective of body size. The only exception was Epirhyssa overlaeti, whose tergites got significantly more slender with body size when the significance was estimated by one-tailed correlation (c.f. Figure 4).
Figures 1-2 from: Azeredo LMM, Silva Ximenes M, Alves Pereira K, Aguiar Fracasso MP, Serramo Lopez LC (2019) Body mass index and glucose variations around the night in Artibeus planirostris (Chiroptera) measured under natural conditions. Zoologia 36: 1-8. https://doi.org/10.3897/zoologia.36.e28027
Figures 1-2 Correlation between (1) Glucose (mmol/L) and (2) BCI and the hours after sunset for individuals of Artibeusplanirostris (N = 70) in Reserva Biológica de Guaribas, PB.
Data from: A novel integrative method for measuring body condition in ecological studies based on physiological dysregulation
1. The body condition of free-ranging animals affects their response to stress, decisions, ability to fulfil vital needs and, ultimately, fitness. However, this key attribute in ecology remains difficult to assess, and there is a clear need for more integrative measures than the common univariate proxies. 2. We propose a systems biology approach that positions individuals along a gradient from a 'normal/optimal' to 'abnormal/suboptimal' physiological state based on Mahalanobis distance computed from physiological biomarkers. We previously demonstrated the validity of this approach for studying ageing in humans; here, we illustrate its broad potential for ecological studies. 3. As an example, we used biomarker data on shorebirds and found that birds with an abnormal condition had a lower maximal thermogenic capacity and higher scores of inflammation, with important implications for their ecology and health. Moreover, Mahalanobis distance captured a signal of condition not detected by the individual biomarkers. 4. Overall, our results on birds and humans show that individuals with abnormal physiologies are indeed in worse condition. Moreover, our approach appears not to be particularly sensitive to which set of biomarkers is used to assess condition. Consequently, it could be applied easily to existing ecological data sets. 5. Our approach provides a general, powerful way to measure condition that helps resolve confusion as to how to deal with complex interactions and interdependence among multiple physiological and condition measures. It can be applied directly to topics such as the effect of environmental quality on body condition, risks of health outcomes, mechanisms of adaptive phenotypic plasticity, and mechanisms behind long-term processes such as senescence.
Data from: Overall dynamic body acceleration measures activity differently on large vs small aquatic animals
<p>Acceleration-based proxies for activity and energy expenditure are widely used in bio-logging studies of animal movement and locomotion to explore biomechanical strategies, energetic costs of behaviour, habitat use and the impact of anthropogenic disturbance. The foremost such proxy is Overall Dynamic Body Acceleration (ODBA) along with variants VeDBA and PDBA. This technique, which involves summing the magnitude of high-pass-filtered acceleration signals (the so-called dynamic acceleration) over a reference interval, has been applied to animals as diverse as shags, lobsters, humans and whales. The relationship between ODBA and energy use has been tested empirically on animals small enough to house in laboratory facilities and arguments have been offered for why the method should be generally applicable, however validations on larger animals are scant.</p> <p><span>Here, we examine how body size impacts ODBA and its variants under steady locomotion in large aquatic animals, using cetaceans as model species. To do this, we first develop a simplified mathematical model for the acceleration signals that would be measured by a tag on a swimming animal. We then test this model with empirical data gathered using bio-logging tags on whale species covering nearly an order of magnitude difference in body length from 1.3 m harbour porpoises to 12 m sperm whales.</span></p> <p><span>We show that the motions measured by ODBA can be fundamentally different in small compared to large aquatic animals. Whereas dynamic acceleration in small animals is predominantly due to specific acceleration (i.e., actual accelerative motions generated by muscle action), in larger aquatic animals body rotations (i.e., changes in orientation that accompany swimming and manoeuvring) can dominate the measured acceleration. </span></p> <p><span>As body rotations do not necessarily increase in magnitude as swimming speed increases, ODBA may under-estimate the relative cost of behaviours or responses to disturbance in large aquatic animals. This does not lessen the value of ODBA for small animals, but it raises a caution against uncritical use on larger animals. For large aquatic animals, activity proxies that specifically remove body rotations using gyroscopes or magnetometers may provide more consistent estimates of energy use although these methods are yet to be validated.</span></p>
Body mass measurements of wild boar from two French populations
<p>Despite the importance of body growth in shaping life history tactics and population dynamics, exploring individual growth trajectories in the wild remains challenging. Here, we quantified wild boar growth trajectories at both the population and the individual levels using standard growth models (i.e. Gompertz, logistic, and monomolecular models) that encompass the expected range of growth shapes. According to current theories of life history evolution, we expect wild boar to display a sex-specific Gompertz type growth trajectory and lower size dimorphism in the poorer environment. While wild boar displayed the expected Gompertz type trajectory in the rich site at the population level, we found differences in growth shapes between the two populations and among individuals within each population. Asymptotic body mass, growth rate and timing of maximum growth rate differed as well, indicating a high flexibility of growth trajectories in wild boar. In addition, we found a cohort effect on asymptotic body mass suggesting that environmental conditions early in life shape body mass at adulthood. Our findings demonstrate that body growth trajectories in wild boar are context-, sex- and cohort-specific, differing between populations and among individuals within a population.</p>
A Study to Measure if There is Any Difference in How the Body Breaks Down or Inactivates Either Fluoxetine or LY2216684 When Both of These Medicines Are Given Together.
ClinicalTrials.gov study NCT01243957. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Measurement of Body Fat in Infants
ClinicalTrials.gov study NCT03490227. IPD Sharing: NO. 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)
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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.