A two-year-old boy just had his brain stem implant turned on. A cochlear implant didn't work for Alex Frederick of Michigan. So his parents and doctors decided to try a brain stem implant. The procedure costs hundreds of thousands of dollars. It isn't approved for use in the U.S. yet, but is undergoing trials. ABC news followed Alex for half-a-year and provides a lengthy video report with captioning, which is posted below.
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