The Brain That Wouldn't Die (1962)

A doctor experimenting with transplant techniques keeps his girlfriend's head alive when she is decapitated in a car crash, then goes hunting for a new body.

Director:

 Joseph Green

Writers:

 Rex Carlton (original story), Joseph Green (original story), 1 more credit »

Stars:

 Jason Evers, Virginia Leith, Anthony La Penna - via IMDB 

https://archive.org/details/the_brain_that_wouldnt_die_ipod