A Device to Increase Human Memory Has Been Implanted, and It Works

"The improvement they achieved in subjects’ scores was startling: Short-term memory improved by 15% and working memory by roughly 25%."

Is this the first real cybernetic improvement to the human brain?

http://bigthink.com/robby-berman/a-device-to-increase-human-memory-has-been-implanted-and-it-works