Airborne Ultrasonic Tactile Display BCI
Katsuhiko Hamada, Hiromu Mori, Hiroyuki Shinoda, and Tomasz M., Rutkowski
TL;DR
This paper introduces a contactless ultrasonic tactile BCI using airborne ultrasonic stimuli on palms, demonstrating its effectiveness and outperforming traditional vibrotactile methods in online experiments.
Contribution
It presents a novel contactless tactile BCI paradigm using airborne ultrasonic stimuli, validated through online experiments and awarded top prize in BCI research.
Findings
Successful implementation of contactless ultrasonic tactile BCI
Outperforms classical vibrotactile BCI in experiments
Validated through online user studies
Abstract
This chapter presents results of our project, which studied whether contactless and airborne ultrasonic tactile display (AUTD) stimuli delivered to a user's palms could serve as a platform for a brain computer interface (BCI) paradigm. We used six palm positions to evoke combined somatosensory brain responses to implement a novel contactless tactile BCI. This achievement was awarded the top prize in the Annual BCI Research Award 2014 competition. This chapter also presents a comparison with a classical attached vibrotactile transducer-based BCI paradigm. Experiment results from subjects performing online experiments validate the novel BCI paradigm.
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