404. That’s an error.

The requested URL /bookmarks/mark?op=add&bkmk=http%3A//jn.physiology.org/content/77/2/587&title=Functional%20Double%20Dissociation%20Between%20Two%20Inferior%20Temporal%20Cortical%20Areas%3A%20Perirhinal%20Cortex%20Versus%20Middle%20Temporal%20Gyrus was not found on this server. That’s all we know.