Auditory Problems...

My hearing is like haveing a hearing with the volume control stuck

on "super loud". It's like an open ear mike that picks up everything.

Sudden loud noises hurt my ears like a dentist drill hitting a nerve...

High-pitched continuous noises such as bathroom vent fans or hair dryers are annoying....
............
Cerebellar abnormalites may play a role in increased sound sensitivity.

Research on rats indicates that the Vermus of the cerebellum modulates Sensory Imput.....

Stimulation of the cerebellum with an electrode will make a cat hypersensitive to sound and touch...

http://www.autism.org/temple/inside.html