{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,9,13]],"date-time":"2024-09-13T05:53:23Z","timestamp":1726206803991},"reference-count":33,"publisher":"Emerald","issue":"3","license":[{"start":{"date-parts":[[2019,5,20]],"date-time":"2019-05-20T00:00:00Z","timestamp":1558310400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.emerald.com\/insight\/site-policies"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IR"],"published-print":{"date-parts":[[2019,5,20]]},"abstract":"\nPurpose<\/jats:title>\nThis paper aims to investigate the perception threshold (PT) of electrotactile stimulation under non-steady contact condition (NSCC) which is rarely considered in previous reports mainly because of the difficulty with experimental control. Three factors of NSCC are involved, including the current alternating frequency, the tapping interval of stimulation and the stimulating area of skin. The study is aimed at providing the basic PT data for design and application of wearable and portable electrotactile device.<\/jats:p>\n<\/jats:sec>\n\nDesign\/methodology\/approach<\/jats:title>\nThe up-down method was selected to assess PT, and 72 experimental scenarios were constructed. During the study, we developed an experimental platform with the function of data record and programmable current stimulation. With psychophysical experiment, more than 10,000 data were collected. Furthermore, statics analysis and ANOVA test were opted for exploring the main factor influencing PT.<\/jats:p>\n<\/jats:sec>\n\nFindings<\/jats:title>\nNSCC has different PTs on each body location, and PT has a positive correlation with frequency. In general, PT in NSCC is significantly lower than that in SCC. In some cases, it can be lower by more than 60 per cent. In addition, women have a lower PT than men across all age groups, and the younger is generally more sensitive than the older in electro-sensation.<\/jats:p>\n<\/jats:sec>\n\nResearch limitations\/implications<\/jats:title>\nLimited factors of NSCC were considered in this study. Contact time and break interval should be investigated in the future work.<\/jats:p>\n<\/jats:sec>\n\nPractical implications<\/jats:title>\nThe paper includes implications for the development of smart electrotactile device.<\/jats:p>\n<\/jats:sec>\n\nOriginality\/value<\/jats:title>\nThis paper fulfills a challenge in assessing the PT under NSCC.<\/jats:p>\n<\/jats:sec>","DOI":"10.1108\/ir-11-2018-0230","type":"journal-article","created":{"date-parts":[[2019,5,30]],"date-time":"2019-05-30T11:11:14Z","timestamp":1559214674000},"page":"351-359","source":"Crossref","is-referenced-by-count":6,"title":["An investigation of stimuli-current thresholds on the non-steady contact 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