Reddit on Wilder Penfield, very interesting stuff "on the internets", without a "college textbook". I doubt if any overpriced college textbook is going to present the case for and against Wilder Penfields experiments as nicely as the Reddit posters here... but if you think it's required, go ahead and do your problem sets before you engage you higher thought processes as follows...
https://www.reddit.com/r/ChatGPT/search?q=wilder+penfield