Siamese (conjoined) twins sharing brain matter

Has there ever been cases of conjoined twins sharing brain matter that lived long enough to be studied?

Was there any “weirdness” from the shared brain situation, such as shared thoughts, etc?

Not exactly what you were looking for, but related.

what about sharing of limbs? can one twin override the other, do they both feel sensation equally, etc? minor hijack, but on topic.

Discovery ran a very interesting show on conjoined twins that addresses the questions asked in this thread.

Here is a link to the schedule of showings if you are interested.

Thanks lucie, I’ll keep an eye out for the show.