Why do we need machines? Can't we just give her some food? "Hey momma octopus, have a Snicker's. You're not you when you're hungry."
Worth keeping in mind, though, teaching is a skill. I know lots of brilliant people who can't teach worth a damn. And humans are biologically hardwired for teaching. Imagine how hard teaching has got to be for an octopus.
Yo I did some googling and found this
https://www.washingtonpost.com/archive/politics/1977/12/01/octopus-surgery-has-a-surprising-end-longer-life/a8fabbce-0d76-400f-a9b4-e95b8b93094e/
Cut out her sex hormone gland, and she eats again.