Prof. Sui Xiaohong
Topic: Artificial tactile sensations through electrical stimulation
To realize tactile sensory feedback in the state-of-the-art prosthetic hands and their dexterous manipulation over objects, non-invasive and invasive electrical stimulation has been applied in artificial tactile sensation. The phantom finger sensation (PFS) can be noninvasively evoked by transcutaneous electrical nerve stimulation (TENS) of the phantom finger territories (PFTs) near the stump for upper-limb amputees. Different phantom fingers can be discriminated and recognized based on psychophysical experiments. In addition, a novel TENS computational model was presented to optimize the stimulating electrodes. Finally, in order to further get more natural and high-spatial resolution of artificial tactile sensation, the carbon-nanotube (CNT) yarn electrode is explored as a novel neural interface.
Biography
Dr. Xiaohong Sui obtained her Ph.D degree in Microelectronics and Solid-State Electronics from Institute of Semiconductors, Chinese Academy of Sciences in 2007. She has been a faculty member at Shanghai Jiao Tong University since March 2007, and was promoted as an associate professor in Jan. 2016. Between Sep. 2014 and Aug. 2015, Dr. Sui was as a visiting assistant professor to do research on neural interface technology at Department of Biomedical Engineering, Case Western Reserve University (CWRU) with Prof. Dominique Durand as her supervisor.
Dr. Sui’s research interests focus on electrical neuromodulation and neural interface technologies together with their application in artificial tactile sensation, diagnosing and treatment of non-communicable disease such as hypertension, etc. These technologies include implantable neural electrodes, neural interface computational modelling, in-vivo animal electrophysiological experiments, and magnetoencephalography (MEG), etc. Sui et al. fabricated sixty-channel MEMS-based flexible implantable electrode array for rabbits’ suprachoroidal implantation to indirectly stimulate retina (2013, IEEE Transactions on Neural Systems and Rehabilitation). The in-vitro and in-vivo biocompatibility of the polyimide electrode array was also systematically evaluated (2015, Journal of NeuroEngineering and Rehabilitation).
http://bme.sjtu.edu.cn/En/Show/612
