Proprioceptive Interaction (CHI 2015)




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Published on Apr 6, 2015

Proprioceptive Interaction is a work by Pedro Lopes, Alexandra Ion, Willi Mueller, Daniel Hoffmann, Patrik Jonell, Patrick Baudisch at the Hasso Plattner Institut.

Learn more about the work: http://plopes.org/project/propriocept...

// Abstract
We propose a new way of eyes-free interaction for wearables. It is based on the user’s proprioceptive sense, i.e., rather than seeing, hearing, or feeling an outside stimulus, users feel the pose of their own body.

We have implemented a wearable device called Pose-IO (Figure 1) that offers input and output based on proprioception. Users communicate with Pose-IO through the pose of their wrists. Users enter information by performing an input gesture by flexing their wrist, which the device senses using a 3-axis accelerometer. Users receive output from Pose-IO by finding their wrist posed in an output gesture, which Pose-IO actuates using electrical muscle stimulation. This mechanism allows users to interact with Pose-IO without visual or auditory senses, but through the proprioceptive sense alone.

We developed three simple applications that demonstrate symmetric proprioceptive interaction, where input and output occur through the same limb, as well as asymmetric interaction, where input and output occur through different limbs. In a first user study, participants using a symmetric proprioceptive interface re-entered poses received from Pose-IO with an average accuracy of 5.8° despite the minimal bandwidth offered by the device. In a second, explora- tory study, we investigated participants’ emotional response to asymmetric proprioceptive interaction and the concept of the user’s body serving as interface. Participants reported to enjoy the experience (mean= 4.6 out of 5).

// creative commons attribution
Music: Sidewalk Chalk by Broke For Free (licensed under Creative Commons)


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