In Season 3, Episode 35 of The Eldritch Estate, we discuss lobotomies. From the history of the lobotomy and its demented inventor, to typical methods and tools used in its implementation. We also discuss the various reasons for why a lobotomy would be performed, and the effects of the procedure upon completion.

References for this episode:

https://en.wikipedia.org/wiki/Lobotomy 

https://www.verywellmind.com/what-is-a-lobotomy-5114062