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Using a haptic dynamic clamp to reduce arousal: preference, arousal, and coordination stability are related
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Using a haptic dynamic clamp to reduce arousal: preference, arousal, and coordination stability are related
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Using a haptic dynamic clamp to reduce arousal: preference, arousal, and coordination stability are related
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Journal Article
Using a haptic dynamic clamp to reduce arousal: preference, arousal, and coordination stability are related
2023
Overview
We have developed a haptic dynamic clamp dedicated to the regulation of arousal. It takes the form of a vibrating stress ball to be squeezed, called Viball, controlled by Righetti’s nonlinear adaptive Hopf oscillator. Participants squeezed an adaptive Viball which adapts its frequency of vibration to the current frequency of human squeezing. The adaptive Viball was compared to three non-adaptive Viballs, parametrized to vibrate at a lower, equal, or higher frequency than the participants’ preferred frequency. While squeezing the ball, participants looked at stressful or calming pictures and their electrodermal activity was recorded. Using the preference paradigm, we show that participants preferred to interact with the adaptive Viball rather than with the most slowly vibrating ball that most strongly reduced arousal. The stability of the human-ball coordination was the highest with the adaptive Viball. There was also a positive correlation between the stability of coordination and arousal. The data are discussed in light of the energy-based interpretation of coordination dynamics.
