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32 results for “Tactile stimulation”
Seeing the piles of the velvet bending under our finger sliding over a tactile stimulator improves the feeling of the fabric
<p>Using friction modulation to simulate fabrics with a tactile stimulator (i.e. virtual surface) is not<br>sufficient to render fabric touch and even more so for hairy fabrics. We hypothesized that seeing<br>the pile of the velvet darken or lighten depending on changes in the finger movement direction<br>on the virtual surface should improve the velvet fabric rendering.</p> <p><strong>Experiment 1</strong> : Participants actively rubbed a tactile device or a velvet fabric looking at a screen that showed a synthesized image of a velvet which either remained static (V-static) or darkening/lightening with the direction of touch (V-moving). We showed that in V-moving condition, the touched surface was always perceived rougher, which is a descriptor of a real velvet<strong>.</strong></p> <p><em>Files : data_brutes.csv</em> and <em> ordre_xx_c.csv</em> for data,<em> Calculus_data_expe1.Rmd</em> for code</p> <p><strong>Experiment 2</strong> : Using electroencephalography and sources localization analyses, we found increased activity in the occipital and inferiorparietal lobes when seeing dark and shinning traces during back and forth finger<br>movements over the virtual surface. This suggests that these two posterior cortical regions work<br>together to evaluate visuo-tactile congruence between the seen and the felt (tactile). The visuotactile binding, evidenced by neural synchronization (specifically, theta band [5-7 Hz] oscillation) in the left inferior posterior parietal lobule, is consistent with enhanced integration of information and likely contributed to the emergence of a more realistic velvet representation. </p> <p><em>Files </em>: <em>EEG time frequency individual data.xlsx</em> and all <em>.eeg</em></p>
Tactile Stimulation in a Healthy Mexican Sample: An EEG Database
<p>Tecnologico de Monterrey School of Engineering and Sciences </p> <p>NeuroTechs Research Group</p> <p><strong>Context:</strong> This dataset includes electroencephalographic (EEG) recordings from 34 healthy, young adults in Mexico, collected to study the somatosensory system's responses to a range of tactile stimuli. The study employs innovative NeuroSense tactile stimulators to explore how the brain processes touch sensations when subjected to stimuli such as air, vibration, and caress at four distinct intensity levels.</p> <p><strong>Objective: </strong>The objective of this database is to understand the cortical processing of tactile stimuli including air, vibration and caress using EEG.</p> <p><strong>Main Outcome Measure:</strong> The main outcome measure is the EEG recordings which include the evoked responses of the somatosensory system to each type of stimulus and intensities. These measurements allow for an in-depth analysis of the cortical dynamics involved in processing touch.</p> <p><strong>Limitations</strong>: One limitation of the database is its focus on a relatively small and specific population, which could affect the generalizability of the findings. Additionally, the data is dependent on the accuracy and consistency of the stimulus delivery and EEG recording during the experimental sessions.</p> <p><strong>Generalizability:</strong> While the findings provide significant insights into the neural processing of tactile stimuli within the central nervous system, their generalizability might be limited due to the specialized nature of the stimuli and the controlled experimental conditions. However, the dataset serves as a valuable resource for developing diagnostic and therapeutic strategies for somatosensory impairments and advancing research in neuroscience and somatosensory rehabilitation.</p>
Passive Tactile Stimulation for Stroke Rehabilitation
ClinicalTrials.gov study NCT03814889. IPD Sharing: UNDECIDED. Countries: 1. Publications: 1.
Usability of Vibro-tactile Stimulation to Treat Spasmodic Dysphonia
ClinicalTrials.gov study NCT06111027. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Tactile and Kinaesthetic Stimulation in Neonates With Hyperbilirubinaemia
ClinicalTrials.gov study NCT05077787. IPD Sharing: NO. Countries: 1. Publications: 4.
Effect of Tactile-Kinesthetic Stimulation on Preterm Neonates
ClinicalTrials.gov study NCT04807088. IPD Sharing: NO. Countries: 1. Publications: 17.
Neuroplasticity in Blind Subjects After Repetitive Tactile Stimulation
ClinicalTrials.gov study NCT01754103. IPD Sharing: Not stated. Countries: 1. Publications: 22.
High Frequency Light, Sound, and Tactile Stimulation to Improve Motor and Cognitive Deficits in Parkinson's Disease
ClinicalTrials.gov study NCT05268887. IPD Sharing: NO. Countries: 1. Publications: 9.
Neural Correlates of Observation of Tactile Stimulation in Healthy Subjects
ClinicalTrials.gov study NCT00091533. IPD Sharing: Not stated. Countries: 1. Publications: 3.
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.
The Effectiveness of Bilateral Alternating Tactile Stimulation for Improving Sleep in Children
ClinicalTrials.gov study NCT03805334. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Effect of Tactile and Kinesthetic Stimulation on Very Low Birth Weight Preterm Infants
ClinicalTrials.gov study NCT00128141. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Laryngeal Vibro-tactile Stimulation as a Non-invasive Symptomatic Treatment for Spasmodic Dysphonia
ClinicalTrials.gov study NCT05467228. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Effect of Vibro-tactile Stimulation Intensity on Head Posture in Cervical Dystonia
ClinicalTrials.gov study NCT07245615. IPD Sharing: NO. Countries: 1. Publications: 0.
Effects of Electrical Stimulation on Blood Circulation and Sensibility Tactil in Lymphadenectomy
ClinicalTrials.gov study NCT01893957. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Stimulate the Face to Improve Tactile Acuity on the Hand
ClinicalTrials.gov study NCT04745247. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Effects of Systematic Proprioceptive-tactile Stimulation With Use of the Protac MyFit®
ClinicalTrials.gov study NCT04173871. IPD Sharing: NO. Countries: 1. Publications: 0.
SlagSens (Effect of Tactile Stimulation After Stroke)
ClinicalTrials.gov study NCT01810562. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Investigation of Acceptable Dose of Mobilisation and Tactile Stimulation to Enhance Upper Limb Recovery After Stroke
ClinicalTrials.gov study NCT00360997. IPD Sharing: Not stated. Countries: 1. Publications: 0.
The Power of Touch. Non-Invasive C-Tactile Stimulation for Chronic Osteoarthritis Pain
ClinicalTrials.gov study NCT06060028. IPD Sharing: Not stated. Countries: 1. Publications: 0.
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