The haptic feedback technology for conveying haptic information to humans is expected to be used in various domains in the future. However, in general, the technology requires physical stimulation of the human body, necessitating specialized equipment for stimulation, including actuators, batteries, and computers, which poses challenges in terms of convenience and cost. On the other hand, an alternative approach has been proposed, which involves providing haptic feedback based on the manipulation of visual stimuli that co-occurs with the user input such as body motion. This approach does not require physical stimulation and it can provide haptic feedback with convenience and low cost. In this paper, I describe this approach based on “pseudo-haptics”. I describe the representative methods based on pseudo-haptics and characteristics of them.
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