Ahem... this stuff looks absolutely stunning, but please, how many polygons (or tris) a model of brain have? My guess, is that it's not less than 5 000. This amount of polygons (tris) would be fine for a car or a very complicated model of armor (such as power armor, which has about 3500 tris). Here in Fonline, the character's camera is about 30 meters away from the ground and the model is barely visible. This is why using such high-poly models would be a waste of the user's pc performance.
A model of ball gag and a key is less or more fitting, though polycount could be reduced with no difference it the end.
To give you an image on how small the objects in a game, please take a look at this topic:
http://fodev.net/forum/index.php/topic,26833.0.html Please note, that the picture is taken at maximum zoom, while in the game it would be 5 times smaller.