Subject: From: Eckard Blumschein <Eckard.Blumschein(at)E-TECHNIK.UNI-MAGDEBURG.DE> Date: Wed, 11 Sep 2002 10:40:22 +0200Roland, Singers with plugged ears are also strongly affected from imbalance between airbone sound and so called bone conduction. Perhaps, the latter is mainly conducted to the inner ear from CSF via cochlear and vestibular aqueducts. Eckard http://iesk.et.uni-magdeburg.de/~blumsche/AuditoryFunction.html