Electrotactile Sensory Magnitude and Quality

电触觉感官幅度和质量

• 批准号: 6898174
• 负责人: KURT A KACZMAREK
• 金额: $ 30万
• 依托单位: UNIVERSITY OF WISCONSIN-MADISON
• 依托单位国家: 美国
• 财政年份: 2004
• 资助国家: 美国
• 起止时间: 2004-07-01 至 2008-06-30
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/6898174
• 关键词: body water dehydration; clinical research; colorimetry; cutaneous sensory nerve; electrodes; electrophysiology; electrostimulus; evoked potentials; human subject; neuropsychology; nomenclature; pulse pressure wave; sensory discrimination; sensory mechanism; space perception; touch

DESCRIPTION (provided by applicant): Electrical stimulation of touch (electrotactile or electrocutaneous stimulation) has shown promise for a wide variety of applications in which information is presented tactually to human users. These include sensory prostheses for persons with serious visual and auditory impairments, as well as for those who have lost tactile sensation on some cutaneous loci due to traumatic nerve injury or disease, and also for advanced robotic surgical techniques and other applications. Over the last thirty years, many such concepts been implemented and tested. However, these efforts have been largely application- specific and in general hampered by a lack of both theoretical framework and fundamental research aimed at understanding the basic perceptual characteristics of the electrotactile response. The proposed discovery-driven research aims to study the intensive and qualitative psychophysics of this unique method of information display, and specifically to: (1) Characterize the dynamic range of the electrotactile percept as a function of physical stimulus parameters, particularly those (such as cutaneous locus and hydration) that historically have made it difficult to control the electrotactile percept, and (2) Characterize the qualitative or subjective nature of the electrotactile percept ("tactile color") as a function of waveform timing. These results will enable our future goal of developing specific stimulus control schemes and stimulus parameters that maximize the dynamic range and controllability of the electrotactile percept. The long-term result will be superior tactile communication means for medical, industrial, and consumer applications. A secondary result will be a preliminary but quantitative description of the electrotactile stimulus-percept space; this will aid future research aiming to uncover the physiological mechanisms underlying electrical stimulation of touch.

描述（由申请人提供）：