The roots of cochlear implant (CI) technology go back more than 200 years to the 1790s, when Alessandro Volta, who developed the electric battery, placed metal probes into his own ears and connected them to a 50-volt circuit. Upon switching on the flow of current, he experienced a jolt, but, more importantly for auditory science, he also heard a noise.
Explore this issue:September 2015
Since then, many others have contributed to the development of this technology, which is used by more than 219,000 patients worldwide.
Here is a look at some of the critical junctures in the development of CI technology that took place in the second half of the 20th century, fed by advancements from investigators around the world.| | | Next → | Single Page