@Frank: You raise a good question: How much of the device size is determined by the chip size. The corrollary is how often do you have to swap out the device for a new battery now and how often would you if you used a significantly more modern process node.
The implant is disturbingly large, perhaps needlessly so. The article mentioned them using 0.33 or 0.5 um technology to minimize leakage current. Those are enormous transistors. Is that really the best trade-off of chip size vs. leakage power?
If this happens the "brain implants" it would be like science and technology has reached another milestone. Many diseases that made rich and famous fall prey to in la te 60s and 70s are now curable. Its good for the humanity. So many people due to brain damage cannotvlive their life may be this innovation will let them lead normal lives.
Amazing technology...but I am even more impressed that they managed to get $215M in funding...the market is very small and the dollar amount you can charge for one device is not unlimited...hard to justify ROI on such an investment! Kris
I recommend the book "World Wide Mind" by Michael Chorost. He has an interesting take on a future where implanted brains will be connected together (much like IoT) and our fundamental concrete understanding of communication will change. He asserts that this new nature of communication will take a form closer to that of empathy; I can relate to that because I personally believe humans once had a more important 'sixth sense' called intuition that we evolved away from as we climbed Maslow's pyramid. In the book, Chorost weaves personal experience with stories of actual research projects, interjecting his fantasy scenario along the way and making for an interesting read.
Good to see the beginning of medical-electronics understanding brain-waves and helping patients. The way the device is fit into the skull a bit scary to me, so I believe in future devices will be more compact, thin and light weight. The device might no more depend on Li batteries in future, there could be some energy harvesting techniques used to provide power to the electronics as it consumes low power.
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