From: Rob Sacks (editor_at_realization.org)
Date: 2001-04-15 19:27:07
Hi Jim,
Elmer Green's paper sounds very interesting.
Do you have an e-mail address for him?
Regards,
Rob
----- Original Message -----
From: <peterson_at_d...>
To: <buildcheapeeg_at_yahoogroups.com>
Sent: Saturday, April 14, 2001 11:27 PM
Subject: [buildcheapeeg] Re: Potential uses for the device
> --- In buildcheapeeg_at_yahoogroups.com, yaniv_vi_at_yahoo.com wrote:
> > hi
> > so about poetential uses , what about using the device for
> > meditation practice ? or getting into deep theta/ deep delta ?
> > is it safe for the private user ?
> > and also the crossover frequency ? is it safe for the average user ?
> > because alpha/theta is very similar to all the above .
> > thanks yaniv .
> >
> Yaniv--Alpha is the primal frequency for meditation. The early
> studies of experienced meditators at Menninger Clinic and elsewhere
> found them to emit very high alpha amplitudes during meditation--80
> or 100 uV in some cases. If you simply put your training time into
> getting "good" at alpha, it may be a long time before you feel the
> need to move on to other frequencies.
> "Deep delta" will most likely just put you to sleep. I would be
> somewhat careful about any theta training, but would not rule it out
> for people who are sure of their psychological footing, so to speak.
> As for crossover, permit me to paste in my comments from an earlier
> posting to refresh you on the topic:
>
> * * *
>
> The "crossover" phenomenon refers to a condition where alpha and
> theta amplitudes are equal, rather than to a specific frequency.
> Usually, in most people's typical EEG
> patterns, alpha is stronger than theta. You might have 20 uV of
> alpha & 10 of theta, for example. However, sometimes theta amplitude
> rises to match or exceed that of alpha, and if you were to graph the
> alpha and theta traces over time, theta would "cross over" alpha.
> Some equipment allows clients to mark the points in time when
> significant mental events, such as traumatic memories or important
> mental imagery, happen, and it was noticed that these psychological
> events tend to correspond in time to alpha-theta crossovers. It is
> therefore assumed that these are times when people have especially
> good access to their unconscious processes. The state of alpha-theta
> crossover is also good for creativity, for "oceanic" feelings, and
> for intense spiritual experiences. The usual way to get there is via
> alpha-theta training. Elmer Green did a lot of clinical work with
> people in this state. He talks about some of the spiritual and
> paranormal experiences his people had in a paper called "Experimental
> Vipassana," which he has presented at several conferences, most
> recently at the 2000 annual meeting of the AAPB (Association for
> Applied Psychophysiology and Biofeedback). At that conference Elmer
> told me that he was working on a book called _The Ozaukee Book of the
> Dead_ (I don't know the publisher offhand).
>
> --Jim
>
>
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