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However, CIs still have significant limitations, with users having severely impaired pitch perception. Pitch is critical to speech understanding (particularly in noise), to separating different sounds in complex acoustic environments, and to music enjoyment. In recent decades, researchers have attempted to overcome shortcomings in CIs by improving implant technology and surgical techniques, but with limited success. In the current study, we take a new approach of providing missing pitch information through haptic stimulation on the forearm, using our new mosaicOne_B device. The mosaicOne_B extracts pitch information in real-time and presents it via 12 motors that are arranged in ascending pitch along the forearm, with each motor\u00a0representing a different pitch. In normal-hearing subjects listening to CI simulated audio, we showed that participants were able to discriminate pitch differences at a similar performance level to that achieved by normal-hearing listeners. Furthermore, the device was shown to be highly robust to background noise. This enhanced pitch discrimination has the potential to significantly improve music perception, speech recognition, and speech prosody perception in CI users.<\/jats:p>","DOI":"10.1038\/s41598-020-67140-0","type":"journal-article","created":{"date-parts":[[2020,6,25]],"date-time":"2020-06-25T10:03:02Z","timestamp":1593079382000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":37,"title":["Enhanced Pitch Discrimination for Cochlear Implant Users with a New Haptic Neuroprosthetic"],"prefix":"10.1038","volume":"10","author":[{"given":"Mark D.","family":"Fletcher","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nour","family":"Thini","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Samuel W.","family":"Perry","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2020,6,25]]},"reference":[{"key":"67140_CR1","doi-asserted-by":"crossref","first-page":"3","DOI":"10.1016\/j.heares.2008.06.005","volume":"242","author":"BS Wilson","year":"2008","unstructured":"Wilson, B. 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