The study of the nature of the mind, including the mind’s relationship with the body and with the rest of the physical world.
Central problems in philosophy of mind include the mind–body problem, the hard problem of consciousness, and personal identity.
Should this be merged with consciousness research?
The post that prompted me to create that tag was Joe Carlsmith’s on illusionism. That doesn’t quite fall under consciousness research, although I’m also not entirely satisfied with how these two tags carve up the relevant space. So my vote would be against merging but in favor of exploring alternatives.