Propeller Head Plaza

Technical and scientific discussion of amps, cables and other topics.

Use this form to submit comments directly to the Asylum moderators for this forum. We're particularly interested in truly outstanding posts that might be added to our FAQs.
You may also use this form to provide feedback or to call attention to messages that may be in violation of our content rules.

You must login to use this feature.

Inmate Login

By default, logging in will set a session cookie that disappears when you close your browser. Clicking on the 'Remember my Moniker & Password' below will cause a permanent 'Login Cookie' to be set.

Moniker/Username: The Name that you picked or by default, your email. Forgot Moniker?	Examples "Rapper", "Bob W", "joe@aol.com".
Password:	Forgot Password?
	Remember my Moniker & Password ( What's this?)

If you don't have an Asylum Account, you can create one by clicking Here.

Our privacy policy can be reviewed by clicking Here.

Inmate Comments

From:
Your Email:
Subject:

Message Comments

Original Message

I'm dubious about that possibility

Posted by David Aiken on November 17, 2002 at 23:25:48:
The evidence offered was PET scans showing brain activity in areas not involved when listening to music with no ultrasonic content. I can't see why intermodulation products in the audible range should excite such activity when normal musical content in the same range didn't.
It seems reasonable to me for the researchers to assume that a different part of the brain is responding to the ultrasonic frequencies given the results. There could be all sorts of reasons for that amd it doesn't contradict the paper you referred to which was about heard differences rather than about perception in a non-auditory area of the brain.
More work required by both research teams?
David Aiken