Besides falling temporary unconcious I was thinking that time has not passed for them.

I was not going for hive mind. Literally just body hopping. No extra abilities besides what the host has naturally. I think I'll go with some weird eyes.

something like this?

[img]http://images.sodahead.com/polls/002178785/314741904_1292180811DieUv6D_xlarge.jpeg[/img]