Michael Chorost is living with a computer inside his head; having lost his hearing entirely, he picks up an audio signal via a cochlear implant.
Rather than amplifying sounds like a hearing aid, cochlear implants create signals that the brain can interpret as sounds. They stimulate the auditory nerve directly, bypassing all damaged parts of the ear. These in-brain hearing devices offer a completely different auditory experience, and people with implants literally need to relearn how to hear.
In the show, Michael talks about life with this 'cyborg' technology. He has also written a book about his experience.
Read an excerpt from his book
(PDF format).
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