Faculty mentor: Jacob George
Electrocutaneous stimulation uses electrodes on the skin to evoke tactile sensation and is used to provide amputees with more natural and intuitive somatosensory feedback. We measured the just-noticeable difference (the minimum change in stim frequency that can be identified correctly 75% of the time) to describe how well electrocutaneous stim conveys the magnitude of tactile stimuli, an essential characteristic of natural touch. We found that low frequencies improve intensity discrimination.
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