Sometimes, drastic measures have to be taken to save a human life. One of the most drastic procedures in neurosurgery is a hemispherectomy, the complete removal of one of the halves (or hemispheres) ...
What would it feel like to be a brain in a vat? If you had no body and no world in which to ground yourself, could you be conscious of anything at all? Neuroscientists and philosophers have debated ...