On 11 Mar 1997 03:54:41 GMT, flefever at ix.netcom.com(F. Frank LeFever)
wrote:
> In <fiona.wilkes-1103971029330001 at x5agate02.sed.mq.edu.au>
>fiona.wilkes at speced.sed.mq.edu.au (Fiona Wilkes) writes:
> >
> >Knowing little about EEG reports, I was wondering if someone could
> make
> >suggestions as to what the following could indicate :
> >
> >-Post central 9-11CPS alpha of high amplitude occuring in well
> developed
> >spindles over both hemispheres and blocks in visual attention.
> >-Low voltage background fast activity during resting record.
> >-During resting record and more so on overbreathing, episodic
bursts
> of
> >bilateral high voltage 3-4CPS slow wave activity coming more
> prominently
> >from the left hemisphere
> >-Photic stimulation evokes no change.
> >
> >The owner of this EEG has a history of "blackouts", not always
losing
> >consciousness. No drug or alcohol abuse and a normal CT.
> >
> >What do you think?
> >
> >Thanks
>> FIRST: I am not a neurologist, so don't take this as expert
opinion;> but isn't 3-4Hz associated with "absence" (pronounce it as
French...),
> i.e. petit mal? One would expect only very brief interruptions
(e.g. a
> few seconds at a time), typically, but I have read of "absence
status",
> in which a confused or dull state might last much longer (e.g.
> days)--indeed, I think I once tested such a patient.
>> Rather than name it (and possibly mis-name; or mislead us,
according to
> our idiosyncratic expectations and assumptions), describe it: what
do
> you mean by "blackouts"? As used in the context of alcoholism, this
> refers to a person's moving and acting as if conscious, but having
no
> memory of what he did.
>> Frank LeFever
> New York Neuropsychology Group
Also, have you looked into EEG driven photo stimulation?
Chuck Davis
<a href="http://www.his.com/~emerald7/roshi.c
mp/roshi.html/>http://www.his.com/~emerald7/roshi.cmp/roshi.html/</a>
