Flo and Gregor at the ship
Modifications, especially brain modifications, are not yet common. Much work still needs to be done in how memory and consciousness work.
Biological artificial intelligence has addressed the issue. It is one of the reasons why my wife is so excited to have access to Ms. Ambrose.
Also, Ms. Ambrose, rest assured I shall work with you to change the subject should my wife ever mention trepanning in conversation.