Our understanding of the brain has come a long way in the past thirty
years, but most brain-related medical procedures remain incredibly
complicated and dangerous. Neurologist Phil Kennedy has been working on
brain-computer interfaces since the 1980s. He was most notably involved
in letting a patient with "locked in" syndrome interact with the outside
world through a brain-controlled computer cursor. But the FDA has
gradually ramped up its safety demands, and in the past decade they've
shut down Kennedy's research. So he did what any determined inventor
would do: he went to a hospital in Belize and had surgeons there implant electrodes on his own brain so he could continue his research.
"After
returning home to Duluth, Georgia, Kennedy began to toil largely alone
in his speech lab, recording his neurons as he repeated 29 phonemes
(such as e, eh, a, o, u, and consonants like ch and j) out loud, and
then silently imagined saying them. ... Kennedy says his early findings
are 'extremely encouraging.' He says he determined that different
combinations of the 65 neurons he was recording from consistently fired
every time he spoke certain sounds aloud, and also fired when he
imagined speaking them—a relationship that is potentially key to
developing a thought decoder for speech." Eventually, Kennedy had to
have the implants removed, but he hopes the data he gathered will help
push the FDA toward supporting this research once more