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181 results for “tactile”
Cutaneous tactile sensitivity before and after tail loss and regeneration in the leopard gecko (Eublepharis macularius)
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Fast cortical dynamics encode tactile grating orientation during active touch
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Data from: Mechanical and tactile incompatibilities cause reproductive isolation between two young damselfly species
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Data from: Tactile and proprioceptive dysfunction differentiates cervical dystonia with and without tremor
Objective: To determine if different phenotypes of cervical dystonia (CD) express different types and levels of somatosensory impairment. Methods: We assessed somatosensory function in CD patients with and without tremor (N=12 each) and in healthy age-matched controls (N=22) by measuring tactile temporal discrimination thresholds of the non-dystonic forearm, and proprioceptive acuity in both the dystonic (head/neck) and non-dystonic body segments (forearm/hand) using a joint position-matching task. The head or the wrist was passively displaced along different axes to distinct joint positions by the experimenter or through a robotic exoskeleton. Participants actively reproduced the experienced joint position and the absolute joint position matching error between target and the reproduced positions served as a marker of proprioceptive acuity. Results: Tactile temporal discrimination thresholds were significantly elevated in both CD subgroups when compared to controls. Proprioceptive acuity of both the dystonic and non-dystonic body segments was elevated in patients with CD and tremor with respect to both healthy controls and patients with CD without tremor. That is, tactile abnormalities were a shared dysfunction of both CD phenotypes, while proprioceptive dysfunction was observed in CD patients with tremor. Conclusions: Our findings suggest that the pathophysiology in CD can be characterized by two abnormal neural processes: First, a dysfunctional somatosensory gating mechanism involving the basal ganglia that triggers involuntary muscle spasms. Second, abnormal processing of proprioceptive information within a defective cortico-cerebellar loop, likely affecting the feedback and feedforward control of head positioning. This dysfunction is mainly expressed in CD with tremor.
Effector movement triggers gaze-dependent spatial coding of tactile and proprioceptive-tactile reach targets
<p>The article available under https://doi.org/10.1016/j.neuropsychologia.2014.07.025 is based on the uploaded dataset.</p> <p>Abstract</p> <p>Reaching in space requires that the target and the hand are represented in the same coordinate system. While studies on visually-guided reaching consistently demonstrate the use of a gaze-dependent spatial reference frame, controversial results exist in the somatosensory domain. We investigated whether effector movement (eye or arm/hand) after target presentation and before reaching leads to gaze-dependent coding of somatosensory targets. Subjects reached to a felt target while directing gaze towards one of seven fixation locations. Touches were applied to the fingertip(s) of the left hand (proprioceptive-tactile targets) or to the dorsal surface of the left forearm (tactile targets). Effector movement was varied in terms of movement of the target limb or a gaze shift. Horizontal reach errors systematically varied as a function of gaze when a movement of either the target effector or gaze was introduced. However, we found no effect of gaze on horizontal reach errors when a movement was absent before the reach. These findings were comparable for tactile and proprioceptive-tactile targets. Our results suggest that effector movement promotes a switch from a gaze-independent to a gaze-dependent representation of somatosensory reach targets.</p>
Dataset: Tactile Systems Technology, Inc. (TCMD) Stock Performance
This dataset provides historical stock market performance data for specific companies. It enables users to analyze and understand the past trends and fluctuations in stock prices over time. This information can be utilized for various purposes such as investment analysis, financial research, and market trend forecasting.
Ferramentas RETA, Tactile Check e Tiger Pro
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Tactile Sensitivity to Missing tones in Complex Vibrotactile Signals
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Optical and Tactile Measurements on SiC Sample Defects - Dataset
<p>No description provided.</p>
Enhanced Tactile Memory in the Blind
ClinicalTrials.gov study NCT00076700. IPD Sharing: Not stated. Countries: 1. Publications: 3.
Role of Brain Region Changes in Tactile (Touch) Ability Following Nerve Block
ClinicalTrials.gov study NCT00357058. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Evaluation of the Effects of Serious Cognitive Games on a Digital Tactile Table for Elderly People with Alzheimer's Disease or Related Disorders
ClinicalTrials.gov study NCT06781645. IPD Sharing: NO. Countries: 0. Publications: 2.
Enhanced Tactile (Touch) Spatial Acuity in Upper Limb Amputees
ClinicalTrials.gov study NCT00028210. IPD Sharing: Not stated. Countries: 1. Publications: 3.
Tactile Learning in Stroke Patients
ClinicalTrials.gov study NCT00283881. IPD Sharing: Not stated. Countries: 1. Publications: 3.
Neural Correlates of Observation of Tactile Stimulation in Healthy Subjects
ClinicalTrials.gov study NCT00091533. IPD Sharing: Not stated. Countries: 1. Publications: 3.
Open Label Treatment of Severe Tactile Defensiveness With Intrathecal Baclofen
ClinicalTrials.gov study NCT01352611. IPD Sharing: NO. Countries: 1. Publications: 0.
A Study to Test Performance of Needle Placements for Neuraxial Procedures Using Tactile Imaging vs Control
ClinicalTrials.gov study NCT04796935. IPD Sharing: NO. Countries: 1. Publications: 0.
Long-term Effects of Using a Novel Orthotic Insole for Tactile Stimulation in Diabetic Peripheral Neuropathy and Follow-up
ClinicalTrials.gov study NCT06688708. IPD Sharing: YES. Countries: 1. Publications: 0.
A Study to Investigate Efficacy of Two Experimental Oral Rinses in Providing Long Term Relief From Pain Derived From Exposed Dentine in Response to Chemical, Thermal, Tactile, or Osmotic Stimuli.
ClinicalTrials.gov study NCT02651467. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Data from: Tactile and proprioceptive dysfunction differentiates cervical dystonia with and without tremor
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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.