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2,000 results for “Hand”
Data from: Peak vertical jump power predicts radial bone strength better than hand grip strength in healthy individuals
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“Not only faces”: specialized visual representation of human hands revealed by adaptation
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Hand-written letters classification measurement data
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Effect of verbal interference and response hand on hemisphere asymmetries in sad facial expression processing
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Algebra equation solving performance by LD and non-LD students using hands-on equations (grades 6-8)
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Dataset from: Ardipithecus hand provides evidence that humans and chimpanzees evolved from an ancestor with suspensory adaptations
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IO Islamic 2548. Historical Miscellanies by Various Hands
<p>IO Islamic 2548. Historical Miscellanies by Various Hands</p>
hand drawing
Drawing uploaded to scidraw.io on: 14 October 2019
Three-dimensional surface models of hand bones (individual 15-06)
<p><b>Objectives</b>: Cuncaicha, a rockshelter site in the southern Peruvian Andes, has yielded archaeological evidence for human occupation at high elevation (4480 masl) during the Terminal Pleistocene (12,500 to 11,200 cal BP), Early Holocene (9500-9000 cal BP), and later periods. One of the excavated human burials (Feature 15-06), corresponding to a middle-aged female dated to ~8500 cal BP, exhibits skeletal osteoarthritic lesions previously proposed to reflect habitual loading and specialized crafting labor. Three small tools found in association with this burial are hypothesized to be associated with precise manual dexterity.</p> <p><b>Materials and Methods:</b> Here, we tested this functional hypothesis through the application of a novel multivariate methodology for the three-dimensional analysis of muscle attachment surfaces (entheses). This original approach has been recently validated on both lifelong-documented anthropological samples as well as experimental studies in non-human laboratory samples. Additionally, we analyzed the three-dimensional entheseal shape and resulting moment arms for muscle <i>opponens pollicis.</i></p> <p><b>Results: </b>Results show that Cuncaicha individual 15-06 shows a distinctive entheseal pattern associated with habitual precision grasping via thumb-index finger coordination, which is shared exclusively with documented long-term precision workers from recent historical collections. The separate geometric morphometric analysis revealed that the individual's <i>opponens pollicis</i> enthesis presents a highly projecting morphology, which was found to strongly correlate with long joint moment arms (a fundamental component of force-producing capacity), closely resembling the form of Paleolithic hunter-gatherers from diverse geo-chronological contexts of Eurasia and North Africa.</p> <p><b>Discussion:</b> Overall, our findings provide the first bio-cultural evidence to confirm that the lifestyle of some of the earliest Andean inhabitants relied on habitual and forceful precision grasping tasks.</p>
Data from: Give the machine a hand: a Boolean time-based decision-tree template for rapidly finding animal behaviours in multi-sensor data
1. The development of multi-sensor animal-attached tags, recording data at high frequencies, has enormous potential in allowing us to define animal behaviour. 2. The high volumes of data, are pushing us towards machine-learning as a powerful option for distilling out behaviours. However, with increasing parallel lines of data, systems become more likely to become processor limited and thereby take appreciable amounts of time to resolve behaviours. 3. We suggest a Boolean approach whereby critical changes in recorded parameters are used as sequential templates with defined flexibility (in both time and degree) to determine individual behavioural elements within a behavioural sequence that, together, makes up a single, defined behaviour. 4. We tested this approach, and compared it to a suite of other behavioural identification methods, on a number of behaviours from tag-equipped animals; sheep grazing, penguins walking, cheetah stalking prey and condors thermalling. 5. Overall behaviour recognition using our new approach was better than most other methods due to; (i) its ability to deal with behavioural variation and (ii) the speed with which the task was completed because extraneous data are avoided in the process. 6. We suggest that this approach is a promising way forward in an increasingly data-rich environment and that workers sharing algorithms can provide a powerful library for the benefit of all involved in such work.
Data from: Predictive Bayesian selection of multistep Markov chains, applied to the detection of the hot hand and other statistical dependencies in free throws
When extended to data from the 2016--2017 NBA season specifically for LeBron James, a model depending on the previous shot (single-step Markovian) does not clearly beat a model with independent outcomes. An error-correcting variable length model of two parameters, where James shoots a higher percentage after a missed free throw than otherwise, is more predictive than either model.
Data from: Genetic basis in motor skill and hand preference for tool use in chimpanzees (Pan troglodytes)
Chimpanzees are well known for their tool using abilities. Numerous studies have documented variability in tool use among chimpanzees and the role that social learning and other factors play in their development. There are also findings on hand use in both captive and wild chimpanzees; however, less understood are the potential roles of genetic and non-genetic mechanisms in determining individual differences in tool use skill and laterality. Here, we examined heritability in tool use skill and handedness for a probing task in a sample of 243 captive chimpanzees. Quantitative genetic analysis, based on the extant pedigrees, showed that overall both tool use skill and handedness were significantly heritable. Significant heritability in motor skill was evident in two genetically distinct populations of apes, and between two cohorts that received different early social rearing experiences. We further found that motor skill decreased with age and that males were more commonly left-handed than females. Collectively, these data suggest that though non-genetic factors do influence tool use performance and handedness in chimpanzees, genetic factors also play a significant role, as has been reported in humans.
Bone mineral density & hand x-ray cortical percentages in females
<p>This data set serves as a resource for correlating hand x-rays with bone mineral density (BMD) scans taken within one year of one another. The need for increased methods of screening for low BMD is needed. Therefore, we used this dataset to determine if hand and wrist x-rays could be used to screen for forearm osteopenia and osteoporosis. </p>
MODERN INNOVATIVE METHODS FOR TREATING SEVERE HAND INJURIES
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Data of "The Anthropomorphic Hand Assessment Protocol (AHAP)" paper
<p>This file contains the data of the paper "The Anthropomorphic Hand Assessment Protocol (AHAP)".</p> <p>The AHAP benchmark was performed with five artificial hands, three configurations of the ARMAR-6 v1 robotic hand (A1: without any pad, A2: with five pads in the fingertips, A3: with five pads in the fingertips and four additional pads in the palm) and two versions of the KIT prosthetic hand (P1: preliminary version, P2: final and published version). The tests were video-recorded and the videos were independently reviewed by five different raters.</p> <p>The scores awarded by each rater for each hand are shown in sheet "Data". In sheet "Mean scores" are shown the mean Grasping Ability Score (GAS) across raters of the different hands. In this sheet is also shown the mean score for each part of the task (grasping and maintaining) and the mean Partial GAS (for each grasp type) obtained by the different tested hand models.</p> <p>Please, cite the original research paper: Immaculada Llop-Harillo, Antonio Pérez-González, Julia Starke, and Tamim Asfour (2019) The Anthropomorphic Hand Assessment Protocol (AHAP), Robotics and Autonomous Systems, vol.121, DOI: <a href="https://doi.org/10.1016/j.robot.2019.103259">10.1016/j.robot.2019.103259</a></p>
Figure 2 from: Gani M, Rovie-Ryan JJ, Sitam FT, Kulaimi NAM, Zheng CC, Atiqah AN, Rahim NMA, Mohammed AA (2021) Taxonomic and genetic assessment of captive White-Handed Gibbons (Hylobates lar) in Peninsular Malaysia with implications towards conservation translocation and reintroduction programmes. ZooKeys 1076: 25-41. https://doi.org/10.3897/zookeys.1076.73262
Figure 2 Phylogenetic relationships among the Hylobates species as represented by the NJ analysis. ML (Log Likelihood= -4326.23) and BI analysis produced similar topologies. Numbers above/below the branches represents bootstrap values for NJ, ML, and BI posterior probability, respectively. Only bootstrap values greater than 50% are shown.
Supplementary material 3 from: Gani M, Rovie-Ryan JJ, Sitam FT, Kulaimi NAM, Zheng CC, Atiqah AN, Rahim NMA, Mohammed AA (2021) Taxonomic and genetic assessment of captive White-Handed Gibbons (Hylobates lar) in Peninsular Malaysia with implications towards conservation translocation and reintroduction programmes. ZooKeys 1076: 25-41. https://doi.org/10.3897/zookeys.1076.73262
Table S3
Figure 1 from: Gani M, Rovie-Ryan JJ, Sitam FT, Kulaimi NAM, Zheng CC, Atiqah AN, Rahim NMA, Mohammed AA (2021) Taxonomic and genetic assessment of captive White-Handed Gibbons (Hylobates lar) in Peninsular Malaysia with implications towards conservation translocation and reintroduction programmes. ZooKeys 1076: 25-41. https://doi.org/10.3897/zookeys.1076.73262
Figure 1 Geographical distribution of Hylobates lar subspecies throughout South-East Asia (adapted from Thinh et al. 2010; Brockelman and Geissmann, 2020). Black squares represent individuals of known exact locations while blue squares indicated the approximate locations of the confiscated and surrendered individuals used in this study. Numbers on the map corresponds to the location in Table 1. The approximate location of the Isthmus of Kra, the Surat Thani-Krabi depression, and the Kangar-Pattani line are indicated by the grey, red, and green lines, respectively, marking the possible break among the Indochinese (carpenteri, entelloides, and yunnannesis) from the lar subspecies.
Supplementary material 2 from: Gani M, Rovie-Ryan JJ, Sitam FT, Kulaimi NAM, Zheng CC, Atiqah AN, Rahim NMA, Mohammed AA (2021) Taxonomic and genetic assessment of captive White-Handed Gibbons (Hylobates lar) in Peninsular Malaysia with implications towards conservation translocation and reintroduction programmes. ZooKeys 1076: 25-41. https://doi.org/10.3897/zookeys.1076.73262
Table S2
Supplementary material 1 from: Gani M, Rovie-Ryan JJ, Sitam FT, Kulaimi NAM, Zheng CC, Atiqah AN, Rahim NMA, Mohammed AA (2021) Taxonomic and genetic assessment of captive White-Handed Gibbons (Hylobates lar) in Peninsular Malaysia with implications towards conservation translocation and reintroduction programmes. ZooKeys 1076: 25-41. https://doi.org/10.3897/zookeys.1076.73262
Table S1.
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.