~/talk

ElectricItch: Skin Irritation as a Feedback Modality

on YouTube 23m
Talkat UIST 2018 · 2018-10-14..10-17· [creative-coding]

speakers

name:Henning Pohl
links:none on file
name:Kasper Hornbæk
links:none on file

resources

video:https://youtu.be/Seb0e0TcJHA
slides:none on file

summary

A wrist-mounted electrical stimulator prototypes skin itching by delivering controlled biphasic current through two electrodes; hardware is a boost converter plus constant-current stage and open-source firmware. Random parameter sampling identifies itch-producing settings around 60 Hz, 3.8 ms pulse width, 0.2 mA before per-user calibration. A smartwatch comparison shows calibrated electrical itch induces sensation in ~90% of trials and rates as markedly more activating and interrupting than standard vibrotactile feedback.

AI-written summary · about

chapters (12)

  1. 0:00Introduction to ElectricItch
  2. 0:26Why use itching as feedback
  3. 3:57Biochemical and mechanical itching
  4. 5:45Electrical stimulation for itching
  5. 7:08Building the stimulator device
  6. 8:12Calibrating itching parameters
  7. 10:45Finding itching-inducing settings
  8. 11:26Comparing itching to vibration
  9. 13:32Smartwatch and other form factors
  10. 14:57Study results on preference
  11. 17:05Summary and future work
  12. 18:10Q&A session

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