Coherance and a database.

[Guest guest]

I read in another post the following written by Pete, and I wonder if my english

isn't good enough or does that fragment say that the thatcher database is

gathered with a miniQ, which in my opinion means you cannot speak of coherence

since the data are gathered at different times.

2. The inability to measure coherences among all sites in all 1-frequency bands

is surely a deficit in the TLC relative to a Q for a small number of clients.

Of course Bob Thatcher decided that gathering 2 channels at a time with a

Brainmaster provided data that allowed him to compare coherences among all

sites, even those which were gathered 8-10 minutes apart in time, with his QEEG

database. I choose not to accept that finding, so we stick with using the

coherences among homologous sites and in functional frequency bands rather than

individual frequencies. In my experience the macro levels of high or low

coherences in fast or slow frequencies identifies the great majority of the key

issues that affect training results.

Am I understanding something not correctly maybe?

Or are we when we use the brainmaster Z-scores not training coherence at all but

something arbitrarily? If so then I'm kinda shocked.

[Guest guest]

Hi Rob,I guess my statement wasn't terribly clear: "

Bob Thatcher decided that gathering 2 channels at a time with a Brainmaster provided data that allowed him to compare coherences among all sites, even those which were gathered 8-10 minutes apart in time, with his QEEG database. "

The Thatcher database was gathered with a QEEG device, so all measurements were taken at one time. The Mini-Q gathered the data 2 channels at a time, so I wonder how the coherence values from different points in time can be compared.  But Thatcher said he had compared the results and found that they were compatible (or something like that).

Pete-- Van Deusenpvdtlc@...http://www.brain-trainer.com

USA 678 224 5895BR 47 3346 6235The Learning Curve, Inc.

On Fri, Feb 24, 2012 at 5:33 PM, robdezoveelste <robdezoveelste@...> wrote:

 

I read in another post the following written by Pete, and I wonder if my english isn't good enough or does that fragment say that the thatcher database is gathered with a miniQ, which in my opinion means you cannot speak of coherence since the data are gathered at different times.

2. The inability to measure coherences among all sites in all 1-frequency bands is surely a deficit in the TLC relative to a Q for a small number of clients. Of course Bob Thatcher decided that gathering 2 channels at a time with a Brainmaster provided data that allowed him to compare coherences among all sites, even those which were gathered 8-10 minutes apart in time, with his QEEG database. I choose not to accept that finding, so we stick with using the coherences among homologous sites and in functional frequency bands rather than individual frequencies. In my experience the macro levels of high or low coherences in fast or slow frequencies identifies the great majority of the key issues that affect training results.

Am I understanding something not correctly maybe?

Or are we when we use the brainmaster Z-scores not training coherence at all but something arbitrarily? If so then I'm kinda shocked.

[Guest guest]

Hi Rob - I have Bob Thatcher's 2ch Z-score add on for the Infiniti, but I prefer

training with bioexplorer.

I was just hoping someone knew the range for kids, like Pete's 40-70 percent for

slow frequencies in adults. I was curious after reading some ADHD research that

looked at alpha coherence.

I'll compare my past session results with a z-score assessment to see if I can

figure out a range.

Thanks for the reply,

Bill Harney

>

> I read in another post the following written by Pete, and I wonder if my

english isn't good enough or does that fragment say that the thatcher database

is gathered with a miniQ, which in my opinion means you cannot speak of

coherence since the data are gathered at different times.

>

> 2. The inability to measure coherences among all sites in all 1-frequency

bands is surely a deficit in the TLC relative to a Q for a small number of

clients. Of course Bob Thatcher decided that gathering 2 channels at a time

with a Brainmaster provided data that allowed him to compare coherences among

all sites, even those which were gathered 8-10 minutes apart in time, with his

QEEG database. I choose not to accept that finding, so we stick with using the

coherences among homologous sites and in functional frequency bands rather than

individual frequencies. In my experience the macro levels of high or low

coherences in fast or slow frequencies identifies the great majority of the key

issues that affect training results.

>

> Am I understanding something not correctly maybe?

> Or are we when we use the brainmaster Z-scores not training coherence at all

but something arbitrarily? If so then I'm kinda shocked.

>