Healthy Clinical Trial - The Effect of the Rubber Hand Illusion on Sensory

Status Recruiting

Clinical Trial Summary

The rubber hand illusion (RHI) causes a change in body perception and awareness as a result of the integration of simultaneously perceived visual and tactile stimulation. In the rubber hand illusion (RHI), which was first described in 1998, a realistic hand model is perceived as a part of the body and body awareness is impaired. In the RHI, the participant's real hand is positioned behind a screen so that it is out of sight; The rubber model hand is placed in the field of vision and in the appropriate position with the real hand. Brush is applied simultaneously to the same parts of the real and rubber hands. He/she perceives the rubber hand as his own and the brush starts to feel as if it is being rubbed into his own hand. This method, which causes the illusion of body belonging, has been defined as the rubber hand illusion. During the rubber hand illusion, increased activity was observed in the ventral premotor cortex, infraparietal cortex and cerebellum in functional MRI. It is suggested that this phenomenon occurs with the integration of interrelated visual, tactile and proprioceptive senses reaching the premotor cortex. Quantitative sensory tests are standardized subjective clinical sensitivity tests that require the collaboration of the person to be examined. In the tests, calibrated stimuli are applied to capture perception and pain thresholds, thus providing information about sensory thresholds. The impairment of body perception caused by RHI contributes to the multi-faceted understanding of sensory perception, higher-level cognitive processes, brain mapping and functions. In the studies; It has been suggested that the conflict between visual and proprioceptive sensory information created during the rubber hand illusion is resolved by the attenuation of somatosensory input at the cortical level. As far as we know, tactile sensory threshold from quantitative sensory tests, two-point discrimination from cortical senses, pressure pain threshold measured by the algometer, and vibration threshold variation during and after rubber hand burning, which causes changes in body perception, have not been studied before. In this study, the relationship between the RHI phenomenon and sensory thresholds will be evaluated.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Healthy

Clinical Trial Details

NCT number	NCT04837443
Study type	Interventional
Source	Gazi University
Contact	zafer günendi, MD
Phone	+903122025219
Email	zafergunendi@yahoo.com
Status	Recruiting
Phase	N/A
Start date	May 28, 2021
Completion date	October 1, 2021

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

The Effect of the Rubber Hand Illusion on Sensory Thresholds

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms