On campuses, which are notoriously precarious and unmyelinated ecosystems, victimization can be as real as the predations of the high-school locker room.

The auditory nerve contains myelinated fibers, which are used to perceive loudness and to process speech, as well as unmyelinated ones.

Though it has not been proven, hyperactivity in these unmyelinated fibers may be responsible for the increased pain sensation in affected individuals, he said.