"You Are Two" [0] is a video that talks about what happens when the connection between the two hemispheres of the brain is severed.

If you've never seen it I HIGHLY recommend it if only to show how weird our brains actually are.

A good chaser to the above is Peter Watts talk on hive minds [1]. He was a neurology research and the author of the famous sci-fi novel Blindgsight [2]

0 - https://www.youtube.com/watch?v=wfYbgdo8e-8&vl=en

1 - https://www.youtube.com/watch?v=v4uwaw_5Q3I

2 - https://amzn.to/4xD40td