Hi Carol:
I am familiar with the concept of binaural beats. The procedure
looks simple. You play a tone of a specific frequency into 1 ear
(e.g., 140 Hz in R) and a tone of slightly different frequency in
the other ear (e.g., 133 Hz in L). The person is supposed to
hear beating at the frequency of the difference (7 Hz).
The effect is supposed to originate in the superior olivary
nucleus and be propagated through the reticular formation. The
effect is supposed to be similar to photic driving of the EEG.
Aside from the commercial "brain tuning" garbage, there may be
something to the effect. See:
Lane, Kasian, Owens, & Marsh (1998). Binaural auditory beats
affects vigilance performance and mood. Physiology & Behavior,
63, 249-252.
Ken
DeVolder Carol L wrote:
Hi,
I'm wondering if any TIPSters of the Sensation and Perception type are
familiar with the concept of binaural beats--the idea that 2 slightly
different frequencies, when presented simultaneously to each ear, are
combined within the auditory system to create the perception of beats.
I'm vaguely familiar with the idea, and I did read the Wikipedia entry.
I also looked on Google Scholar, and although the information is there,
I'd really like to get others' opinions. There seems to be a whole
commercial entity around this concept, and I can't help wondering where
the science is. Sorry, this is one of those days where my thoughts and
my language skills are disconnected, I just want to know what you all
think of it, including the idea of "brain entrainment" and all the other
applications.
Thanks,
Carol
Carol DeVolder, Ph.D.
Professor of Psychology
Chair, Department of Psychology
St. Ambrose University
Davenport, Iowa 52803
phone: 563-333-6482
e-mail: [email protected]
---------------------------------------------------------------
Kenneth M. Steele, Ph.D. [email protected]
Professor and Assistant Chairperson
Department of Psychology http://www.psych.appstate.edu
Appalachian State University
Boone, NC 28608
USA
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