Feb 2016, New paper on a magnetic sixth sense in Nature Scientific Reports: The hearSpace smartphone app transforms human experience of space.

We developed a novel sensory augmentation device, the hearSpace app, which allows users to reliably hear the direction of magnetic North as a stable sound object in external space using a headphone.

Short training with this magnetic-auditory augmentation signal leads to long-lasting recalibration of the vestibular perception of space, either extending or compressing the felt space.

This novel approach to sensory augmentation, contingency-mimetics, piggy-backs the directional information of a geomagnetic compass on ecological sensory cues of distal sounds. This allows the magnetic augmentation signal to integrate into the existing spatial processes via natural mechanisms of auditory localization.

http://www.nature.com/articles/srep42197

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