Subject: Re: New Scientist Question From: Thomas G Brennan <g_brennantg(at)TITAN.SFASU.EDU> Date: Wed, 21 Nov 2001 10:13:46 -0600Greg, when the eustacian tubes open, the middle ear space effectively becomes a part of the auditory mechanism thus enlarging that mechanism by quite some bit. When one yawns there is an effect a bit like sticking one's head in a barrel which is caused by the tube opening and this is what primarily causes the perceived effect to the music. Tom \ Tom Brennan, CCC-A/SLP, RHD web page http://titan.sfasu.edu/~g_brennantg/sonicpage.html web master http://titan.sfasu.edu/~f_freemanfj/speechscience.html web master http://titan.sfasu.edu/~f_freemanfj/fluency.html