New answers tagged synesthesia
First, a definition: "Synaesthesia is a curious condition in which an otherwise normal person experiences sensations in one modality when a second modality is stimulated."  There are two basic explanations for this phenomenon: the hyperconnectivity hypothesis and the disinhibition-unmasking hypothesis . The former says that the condition results from ...
I think the only documented case of this is Neil Harbisson. From my understanding he has a camera attached to an implanted bone vibrator and a processor unit that converts color to audible frequencies. I believe, although cannot find any references, that the implanted portion of the device is similar to a bone anchored hearing aid.
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