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36 results for “motor circuit”
Measurement of interturn short-circuits emulation on dual three-phase PMS motor
<p>The published data contains measurement records made on a special permanent magnet synchronous motor (PMSM). The motor has a stator with winding taps. The winding taps can be used to emulate various severities of interturn short-circuits.</p> <p>A detailed machine description and modeling can be found in the paper "Interturn short circuit modelling in dual three-phase PMSM" (https://dx.doi.org/10.1109/IECON49645.2022.9968364). </p> <p>The file name specifies the measurement conditions according to</p> <p>spd10-5000rpm_flt<strong>N</strong>z<strong>P</strong>_<strong>XX</strong>NM.mat</p> <p><strong>N</strong> - Number of shorted turns (0-healthy operation)</p> <p><strong>P</strong> - Fault phase ( U or V)</p> <p><strong>XX </strong>- Load torque generated by a dynamometer</p> <p> </p> <p>For example, the file spd10-5000rpm_flt1zu_25NM.mat contains data where one coil turn in phase U was shorted, and the machine was producing 25 Nm torque.</p> <p>Measurement was performed by the microcontroller and synchronised with the control algorithm. The sample rate is 10 kHz for this reason. Each data file contains measured currents in stator coordinates as well as currents and voltages (control value) in rotor (dq) coordinates. These variables are measured for each three-phase sub-system. Measured motor position, speed and required motor speed are also included. </p>
Bidirectional Regulation of Motor Circuits Using Magnetogenetic Gene Therapy
<p><span>Here we report a novel suite of magnetogenetic tools, based on a single anti-ferritin nanobody-TRPV1 receptor fusion protein, which regulated neuronal activity when exposed to magnetic fields. AAV-mediated delivery of a floxed nanobody-TRPV1 into the striatum of adenosine 2a receptor-cre driver mice resulted in motor freezing when placed in an MRI or adjacent to a transcranial magnetic stimulation (TMS) device. Functional imaging and fiber photometry both confirmed activation of the target region in response to the magnetic fields. Expression of the same construct in the striatum of wild-type mice along with a second injection of an AAVretro expressing cre into the globus pallidus led to similar circuit specificity and motor responses. Finally, a mutation was generated to gate chloride and inhibit neuronal activity. Expression of this variant in subthalamic nucleus in PitX2-cre parkinsonian mice resulted in reduced local c-fos expression and motor rotational behavior. These data demonstrate that magnetogenetic constructs can bidirectionally regulate activity of specific neuronal circuits non-invasively <em>in-vivo</em> using clinically available devices.</span></p>
Reconfiguring motor circuits for a joint manual and BCI task
<p>SQL database containing all models and analysis results for listed publication. Results and figures from paper can be reproduced by using the code at https://github.com/benlansdell/dualbci</p>
Predictive neural computations in cerebellar circuits contribute to motor planning and faster behavioral responses in larval zebrafish
<p>This dataset contains raw and processed data along with jupyter notebooks to generate figures in Narayanan et al., 2023. Instructions for navigating through the dataset and for running the analysis codes are in README.pdf.</p>
Effect of Structured Progressive Task-Oriented Circuit Class Training With Motor Imagery on Gait in Stroke
ClinicalTrials.gov study NCT03436810. IPD Sharing: NO. Countries: 1. Publications: 18.
A distributed circuit for associating environmental context to motor choice in retrosplenial cortex
Open the record for dataset details and reuse information.
Data from: Sensory expectations shape neural population dynamics in motor circuits
Open the record for dataset details and reuse information.
motor cortex circuit scheme
Drawing uploaded to scidraw.io on: 22 June 2020
Reconfiguring motor circuits for a joint manual and BCI task
<p>Labview experiment details for recordings supporting dual control brain-computer interface.</p>
Reconfiguring motor circuits for a joint manual and BCI task
<p>MEA recordings supporting dual control BCI</p>
Data associated with Cell Reports publication: Dura-Bernal et al. 2023, "Multiscale model of primary motor cortex circuits predicts in vivo cell type-specific, behavioral state-dependent dynamics"
<p>This dataset includes experimental data used to constrain and validate the model, and model simulation output data. The source code for the associated M1 model and data analysis can be found here: https://github.com/suny-downstate-medical-center/M1_NetPyNE_CellReports_2023</p> <p>Please download the data_v2.zip file, which contains the most updated and complete version of the data.</p> <p>For more information please contact: salvador.dura-bernal@downstate.edu </p>
Data from: Neuronal morphologies built for reliable physiology in a rhythmic motor circuit
It is often assumed that highly-branched neuronal structures perform compartmentalized computations. However, previously we showed that the Gastric Mill (GM) neuron in the crustacean stomatogastric ganglion (STG) operates like a single electrotonic compartment, despite having thousands of branch points and total cable length >10 mm (Otopalik et al., 2017a; 2017b). Here we show that compact electrotonic architecture is generalizable to other STG neuron types, and that these neurons present direction-insensitive, linear voltage integration, suggesting they pool synaptic inputs across their neuronal structures. We also show, using simulations of 720 cable models spanning a broad range of geometries and passive properties, that compact electrotonus, linear integration, and directional insensitivity in STG neurons arise from their neurite geometries (diameters tapering from 10-20 µm to < 2 µm at their terminal tips). A broad parameter search reveals multiple morphological and biophysical solutions for achieving different degrees of passive electrotonic decrement and computational strategies in the absence of active properties.
Data from: Neuronal morphologies built for reliable physiology in a rhythmic motor circuit
Open the record for dataset details and reuse information.
Gain of toxic function by long-term SMN overexpression in the sensory-motor circuit.
GEO Series GSE149391. Mus musculus. 9 samples. Type: Expression profiling by high throughput sequencing.
BOD1 regulates the cerebellar IV/V lobe-fastigial nucleus circuit associated with motor coordination
GEO Series GSE199327. Mus musculus. 11 samples. Type: Expression profiling by high throughput sequencing.
Functional Identification of Specialized Basal Ganglia Circuits that Regulate Vocal Motor Sequences
GEO Series GSE136086. Taeniopygia guttata. 2 samples. Type: Expression profiling by high throughput sequencing.
Brain motor and fear circuits differentially regulate leukocyte distribution and function during acute stress [single-cell RNA-seq]
GEO Series GSE201391. Mus musculus. 3 samples. Type: Expression profiling by high throughput sequencing.
Brain motor and fear circuits differentially regulate leukocyte distribution and function during acute stress
GEO Series GSE201392. Mus musculus. 15 samples. Type: Expression profiling by high throughput sequencing.
Data from: Neuronal connectome of a sensory-motor circuit for visual navigation
Animals use spatial differences in environmental light levels for visual navigation; however, how light inputs are translated into coordinated motor outputs remains poorly understood. Here we reconstruct the neuronal connectome of a four-eye visual circuit in the larva of the annelid Platynereis using serial-section transmission electron microscopy. In this 71-neuron circuit, photoreceptors connect via three layers of interneurons to motorneurons, which innervate trunk muscles. By combining eye ablations with behavioral experiments, we show that the circuit compares light on either side of the body and stimulates body bending upon left-right light imbalance during visual phototaxis. We also identified an interneuron motif that enhances sensitivity to different light intensity contrasts. The Platynereis eye circuit has the hallmarks of a visual system, including spatial light detection and contrast modulation, illustrating how image-forming eyes may have evolved via intermediate stages contrasting only a light and a dark field during a simple visual task.
Epidural Electrical Stimulation for Spinal Cord Injury Patients and Corticospinal Motor Circuit Improvement
ClinicalTrials.gov study NCT06455137. 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)
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.