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2,000 results for “Hand”
A Prosthetic Hand with Integrated Sensing Elements for Selective Detection of Mechanical and Thermal Stimuli
<p>Flexible electronics have gained popularity because of their capability to combine softness and functionality. Soft resistive sensors are susceptible to mechanical stimuli and detecting temperature selectively remains a challenge. In this study, soft flexible thermistors are developed for detecting temperature changes based on the positive temperature coefficient (PTC) effect, selectively. By thermomechanical analysis and differential scanning calorimetry, it is observed that thermoplastic elastomers with higher thermal expansion and semicrystalline morphology result in a sensitive thermistor response. To achieve a high sensitivity in temperature and low sensitivity in the detection of mechanical stimulus, a low-carbon filler content is required. The opposite trend is seen for the piezoresistive sensors for mechanical strain detection. Both sensory material types are compatible with thermoplastic material extrusion-based additive manufacturing. The method is used for the fabrication of the sensing elements and an open-source prosthetic hand. The strain sensor detects the bending of the fingers and the temperature sensor detects the temperature when in contact with a heated surface, successfully. In addition, the temperature sensor is used as a tactile sensor to detect contact with a non-heated surface. Combining selective multisensory capabilities will significantly affect the future development of sensorized prosthetic devices and wearable electronics.</p>
"It was recorded on Sunday, morning of the 28th of September as some of the slower runners of the Berlin Marathon made it past Torstrasse near my flat. Iwas out to buy some bread for breakfast, but Iusually bring a camera and my Edirol R-1 recorder whenever Igo out. Since Iwas freshly returned to Berlin Iguess Iwas sensitive to the more antiquated sounds which still survive there, like that of the organ grinder. Iam generally interested in how human beings are replacing the presence of Nature with an artificial environment made entirely by human hands (and thus far more understandable, it is hoped). In this new Human Nature, the sounds of Nature are also Human made. Iwrite about these things, but Ialso use the sounds in my videos and my interactive and generative media work, so generally Iam wandering around building up my archive of media documents for use as material in future works." [Baruch/ gottlieb]17 in Collecting Sounds. Online Sharing of Field Recordings as Cultural Practice
"It was recorded on Sunday, morning of the 28th of September as some of the slower runners of the Berlin Marathon made it past Torstrasse near my flat. Iwas out to buy some bread for breakfast, but Iusually bring a camera and my Edirol R-1 recorder whenever Igo out. Since Iwas freshly returned to Berlin Iguess Iwas sensitive to the more antiquated sounds which still survive there, like that of the organ grinder. Iam generally interested in how human beings are replacing the presence of Nature with an artificial environment made entirely by human hands (and thus far more understandable, it is hoped). In this new Human Nature, the sounds of Nature are also Human made. Iwrite about these things, but Ialso use the sounds in my videos and my interactive and generative media work, so generally Iam wandering around building up my archive of media documents for use as material in future works." [Baruch/ gottlieb]17
Effect of Hand Reflexology Massage on Fatigue and Anxiety Among Patients Undergoing Hemodialysis
ClinicalTrials.gov study NCT07253831. IPD Sharing: NO. Countries: 0. Publications: 2.
Effects of Remote Ischemic Conditioning on Hand Use in Individuals With SCI and ALS
ClinicalTrials.gov study NCT03851302. IPD Sharing: YES. Countries: 1. Publications: 1.
Building an Optimal Hand Hygiene Bundle
ClinicalTrials.gov study NCT02223455. IPD Sharing: YES. Countries: 1. Publications: 1.
Evaluation of High-Purity Type I Collagen Biologic Wrap to Improve Function After Extensor Tendon Repair of the Hand
ClinicalTrials.gov study NCT07335653. IPD Sharing: YES. Countries: 1. Publications: 7.
A high-resolution and whole-body dataset of hand-object contact areas based on 3D scanning method
Open the record for dataset details and reuse information.
EMG and Video Dataset for sensor fusion based hand gestures recognition
<p>This dataset contains data for hand gesture recognition recorded with 3 different sensors. </p> <p>sEMG: recorded via the Myo armband that is composed of 8 equally spaced non-invasive sEMG sensors that can be placed approximately around the middle of the forearm. The sampling frequency of Myo is 200 Hz. The output of the Myo is a.u </p> <p>DVS: Dynamic Video Sensor which is a very low power event-based camera with 128x128 resolution</p> <p>DAVIS: Dynamic Video Sensor which is a very low power event-based camera with 240x180 resolution that also acquires APS frames.</p> <p>The dataset contains recordings of 21 subjects. Each subject performed 3 sessions, where each of the 5 hand gesture was recorded 5 times, each lasting for 2s. Between the gestures a relaxing phase of 1s is present where the muscles could go to the rest position, removing any residual muscular activation.</p> <p> </p> <p>Note: All the information for the DVS sensor has been extracted and can be found in the *.npy files. In case the raw data (.aedat) was needed please contact</p> <p> </p> <p>enea.ceolini@ini.uzh.ch</p> <p>elisa@ini.uzh.ch</p> <p>==== README ====</p> <p> </p> <p>DATASET STRUCTURE:</p> <p>EMG, DVS and APS recordings</p> <p>21 subjects</p> <p>3 sessions for each subject</p> <p>5 gestures in each session ('pinky', 'elle', 'yo', 'index', 'thumb')</p> <p> </p> <p>SINGLE DATASETS:</p> <p>- relax21_raw_emg.zip: contains raw sEMG and annotations (ground truth of gestures) in the format `subjectXX_sessionYY_ZZZ` with `XX` subject ID (01 to 21), `YY` session ID (01-03) and `ZZZ` that can be ‘emg’ or ‘ann’.</p> <p> </p> <p>- relax21_raw_dvs.zip: contains the full-frame dvs events in an array with dimensions 0 -> addr_x, 1 -> addr_y, 2 -> timestamp, 3 -> polarity. The timestamps are in seconds and synchronized with the Myo. Each file is in the format `subjectXX_sessionYY_dvs` with `XX` subject ID (01 to 21), `YY` session ID (01-03).</p> <p> </p> <p>- relax21_cropped_aps.zip: contains the 40x40 pixel aps frames for all subjects and trials in the format `subjectXX_sessionYY_Z_W_K` with `XX` subject ID (01 to 21), `YY` session ID (01-03), Z gesture ('pinky', 'elle', 'yo', 'index', 'thumb’), W trial ID (1-5), `K` frame index.</p> <p> </p> <p>- relax21_cropped_dvs_emg_spikes.pkl: spiking dataset that can be used to reproduce the results in the paper. The dataset is a dictionary with the following keys:</p> <ul> <li><strong>- </strong><strong>y</strong>: array of size 1xN with the class (0->4).</li> <li><strong>- </strong><strong>sub</strong>: array of size 1xN with the subject id (1->10).</li> <li><strong>- </strong><strong>sess</strong>: array of size 1xN with the session id (1->3).</li> <li><strong>- </strong><strong>dvs</strong>: list of length N, each object in the list is a 2d array of size 4xT_n where T_n is the number of events in the trial and the 4 dimensions rappresent: 0 -> addr_x, 1 -> addr_y, 2 -> timestamp, 3 -> polarity .</li> <li><strong>- </strong><strong>emg</strong>: list of length N, each object in the list is a 2d array of size 3xT_n where T_n is the number of events in the trial and the 3 dimensions rappresent: 0 -> addr, 1 -> timestamp, 3 -> polarity.</li> </ul> <p> </p> <p> </p>
Plastic changes in the brain after human hand allotransplantation
<p><span><span><span><span><span><span><span><span><span><span><span>The physiological mechanism after hand transplant was investigated using magnetic resonance imaging and transcranial magnetic stimulation. Somatosensory and motor representations of the upper arm proximal to amputation occupied the hand area before surgery and moved back toward normal position after the surgery. The absent cortical inhibition with amputation increased gradually after surgery. The cortical plastic changes preceded functional recovery and can be used to monitor functional restoration after hand transplant.</span></span></span></span></span></span></span></span></span></span></span></p>
Adaptation to hand-tapping affects sensory processing of numerosity directly: evidence from reaction times and confidence
<p>Each file contains a matrix called “MatriceRisultati”. Each row of the matrix “MatriceRisultati” is a trial. </p> <p>The columns contain the following information:</p> <ul> <li>1<sup>st</sup>: Number of trial</li> <li>2<sup>nd</sup>: Test numerosity</li> <li>3<sup>rd</sup>: Subject response on numerosity </li> <li>4<sup>th</sup>: Subject response on their confidence level</li> <li>5<sup>th</sup>: Response time</li> <li>6<sup>th</sup>: 0 if the test numerosity< 16; 1 if the test numerosity> 16</li> </ul>
Crossing hands behind your back reduces recall of manual action sentences and alters brain dynamics
<p>The experiment involved a 2 Verb (manual, attentional) x 2 Hand posture (front, behind) within-participant design. Half of the participants were assigned randomly to one of the two sets of 120 experimental sentences. The sentences were divided into 12 experimental blocks of 11 sentences each: 5 manual and 5 attentional sentences as experimental materials, and 1 filler sentence that was added at the beginning of each block to discard recall primacy effects and excluded from the analysis. An additional block of 5 sentences was used as practice. Each experimental block consisted of: a) learning phase, including the 10 experimental sentences in random order, plus the initial filler sentence, b) one-minute distractive task, c) recall phase.</p> <p>For more information about the data, please refer to the Corresponding Author</p>
FS1196 Sinagua Hand Tool Artifact
This axe head was found in the Red Rock District of the Coconino Forest north of Sedona Arizona. This is a preliminary model with a refined version planned for the near future. The item was made from a piece of dark basalt. Additional information about the Red Rock District of the Coconino Forest can be found at the following web sites http://www.sedonaredrocktrails.org/ http://www.fs.usda.gov/recmain/coconino/recreation Information about volunteer opportunities in the Coconino Forest including the creation of the 3D models and other projects can be found at http://www.friendsoftheforestsedona.org/ Source: Objaverse 1.0 / Sketchfab
003 Knochenfaustkeil / Bone hand axe
# **Fundort / Site** Rhede, Kreis Borken (Germany) # **Fundumstände / Circumstances of discovery** Sandschichten der Bocholter Aa / Sand layers of the Bocholter Aa 1982 # **Objekt / Object** Mammutknochen / Mammoth bone Länge / Length: 14,2 cm Breite / Width: 9,4 cm Höhe / Height: 3,4 cm # **Datierung / Dating** Ca. 70.000 v. Chr. Mittelpaläolithikum / Middle Paleolithic Keilmessergruppen / Keilmesser groups # **Fundverbleib / Repository** LWL-Museum für Archäologie, Herne # **3-D-Modell / 3D model** Fotokamera / Photo camera: Nikon D850 Modellberechnung / Model processing: Reality Capture Modell / Model: LWL-Archäologie für Westfalen/Florian Westphal Source: Objaverse 1.0 / Sketchfab
Hand-and-Half Sword
This sword was modeld after a sword from the 1500's that is on display in the Philadephia Museum of Art. It is not an exact replica, but I really liked the proportions and thought it would make a great piece to model in Blender. "This is one of the finest knightly swords surviving from the late fifteenth century. Particularly outstanding are the mighty forms and harmonious proportions of its pommel and blade, the embellishment of the latter with delicate etched and gilt ornaments, and the overall condition of the entire sword, which retains its original velvet-covered grip." -PMA Source: Objaverse 1.0 / Sketchfab
Paleolithic hand axe
Paleolithic hand axe, found in Swanscombe, Kent, England. Coll. no. 206107 Source: Objaverse 1.0 / Sketchfab
Experimental Hand Axe (Biface)
Experimental 'Hand Axe' I created during an old MSc project that sought to use photogrammetry to show visual differences in pre and post heat-treatment. This model represents how it looked before I butchered it with a campfire, complete with uncerimonious white-tac! **Capture Details:** 1. Method: Photogrammetry w/tripod & lightbox 2. Camera: Canon EOS100D (Raw format) 3. Processing: Reality Capture | optimised from 2.3m to 20k tri's | 8k texture Source: Objaverse 1.0 / Sketchfab
Hand Gewandt 2021-1
Plaster from the collection of historical models of the art foundry Gebrüder Ihle, Dresden www.bildguss.de Source: Objaverse 1.0 / Sketchfab
Acheulean Hand Axe (516a5)
**Acheulean hand axe** Location: Montieres Amiens, France. Period: Lower Paleolithic (before 300,000 years ago). Material: flint. Dimensions: length, 99.3 mm; width, 60.6 mm; thickness, 31.4 mm. Notes: Catalog no. 516a5. This specimen is part of a larger collection of artifacts that was acquired in 1929 by James Bell Bullitt during a tour of western Europe and later donated to the University of North Carolina. Specimen resides in the North Carolina Archaeological Collection, Research Laboratories of Archaeology, University of North Carolina at Chapel Hill. Model by Kay Waller. Source: Objaverse 1.0 / Sketchfab
Holding Hands - 700 - 3D Printable
Plaster Artwork of elderly woman's hands supplied by University of Texas Pan America. Scanned with HandySCAN 700 and cleaned to 3D Printable with VxModel. Source: Objaverse 1.0 / Sketchfab
Hand Wheellock Mortar
That is lowpoly pixel perfect replica of German style hand whellock mortar that was used in early XVI. They were used in battles and later for signal firecrackers and firework exhibitions. Model and textures was made in Blender. UV unwraping was made in RizomUV VS. Took me about 20 hours. Goal was to see if i understand correctly how to make pixel perfect models. Most edged are multiple of 0.1 cm so most faces contain integer amount of pixels in it. UV shells snapped to pixels where possible to avoid pixel separation. I would like to paint textures in Substance Painter but there are filtering that blures textures and i havent found a way to disable it. I even tried to rewrite shaders with my programmer friend. So i had to paint metal and roughness textures by hand over the color texture. 252 faces Base color, roughness, metal maps 64x64 Source: Objaverse 1.0 / Sketchfab
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.