March 30th, 2000

Perceiving dissonances is partly and largely a neurological and physical thing. When two frequencies that form a dissonant interval are heard simultaneously the ear's critical bands overlap. However, when someone sings or creates music in their mind, i.e. creating and hearing music internally and not externally, one can still hear dissonance.

This brings a question to my mind. Do we actually physically hear what we think? When we hear sounds in our head are our ears actually physically working? Are our critical bands activated?

I remember a statement made by a friend that scientists found that some schizophrenics actually showed physical ear activity when they "heard voices". This would back up the answer to my previously stated question:

Because dissonance occurs when our critical bands overlap then does it also occur when we think or hear the dissonance in our mind?



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