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7 results for “SENSORIMOTOR SYSTEM”
Asymmetry in kinematic generalization between visual and passive lead-in movements are consistent with a forward model in the sensorimotor system
<p><span><span>In our daily life we often make complex actions comprised of linked movements, such as reaching for a cup of coffee and bringing it to our mouth to drink. Recent work has highlighted the role of such linked movements in the formation of independent motor memories, affecting the learning rate and ability to learn opposing force fields. In these studies, distinct prior movements (lead-in movements) allow adaptation of opposing dynamics on the following movement. Purely visual or purely passive lead-in movements exhibit different angular generalization functions of this motor memory as the lead-in movements are modified, suggesting different neural representations. However, we currently have no understanding of how different movement kinematics (distance, speed or duration) affect this recall process and the formation of independent motor memories. Here we investigate such kinematic generalization for both passive and visual lead-in movements to probe their individual characteristics. After participants adapted to opposing force fields using training lead-in movements, the lead-in kinematics were modified on random trials to test generalization. For both visual and passive modalities, recalled compensation was sensitive to lead-in duration and peak speed, falling off away from the training condition. However, little reduction in force was found with increasing lead-in distance. Interestingly, asymmetric transfer between lead-in movement modalities was also observed, with partial transfer from passive to visual, but very little vice versa. Overall these tuning effects were stronger for passive compared to visual lead-ins demonstrating the difference in these sensory inputs in regulating motor memories. Our results suggest these effects are a consequence of state estimation, with differences across modalities reflecting their different levels of sensory uncertainty arising as a consequence of dissimilar feedback delays. </span></span></p>
Asymmetry in kinematic generalization between visual and passive lead-in movements are consistent with a forward model in the sensorimotor system
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The role of motor effort on the sensorimotor number system
<p>This is the dataset related to the article: The role of motor effort on the sensorimotor number system<br><br>Tab 1: PSEs for Experiment 1<br>Tab 2: PSEs for the Anova of Experiment 2<br>Tab 3: Tapping Frequency for Experiment 2<br>Tab 4: Tapping Spectrum for Experiment 2<br>Tab 5: Reproduced Numberosity for the Anova for Experiment 3</p> <p>Columns names:<br>sub_ID is the participant's identification number <br>the other columns contain the abbreviation for the name of the condition (ex. low effort_8 --> low effort numerosity 8)</p> <p> </p>
Neuroplasticity With Daily Use of a Sensorimotor Priming Vibration System to Improve Hand Function After Stroke
ClinicalTrials.gov study NCT04026399. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Environmental Stress and Individualized Sensorimotor Care on Autonomic Nervous System Activity in Premature Population
ClinicalTrials.gov study NCT00451607. IPD Sharing: Not stated. Countries: 1. Publications: 2.
The Effects Of Jaw Sensorimotor System In The Treatment Of Neck Pain And Dysfunction
ClinicalTrials.gov study NCT04317937. IPD Sharing: NO. Countries: 1. Publications: 41.
Muscle Fatigue and Scapular Sensorimotor System
ClinicalTrials.gov study NCT03066102. IPD Sharing: UNDECIDED. 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.