When I was at Louisiana Tech, we had Andy Junker, the Cyberlink
developer, down about 5 years ago for a symposium. And our center
there bought one. We had some success with one client with forehead
muscle control using the Cyberlink, plus using a tongue click
artifact for the select ftn. When Andy was down with us, I asked him
about EEG control. He said that frontal kappa waves and motor mu
waves could be used since they could be independently controlled (and
I think were used in a lab demo), BUT he then hastened to say that
the noise in a usual clinical setting (home, etc) probably would
generally preclude the use of EEG control.
Here is the trade-off. If the Cyberlink system could use a better
front end (for extracting orthogonal EEG signals for two dimensional
ctl), then it might have a better back end system (BrainFingers,
games, etc), IF the purpose would be to have complete cursor control
for computer access and communication. The Wadsworth system requires
one to dwell on a target to generate a p300 EEG signal, and cannot
therefore be used for cursor control. It works solely as a
communicator, and that is what it was designed for.
It would be nice if someone had the time to try the Cyberlink with a
robust EEG controller, so we could move a cursor about. But to my
knowledge there is not such a controller out there at the present
time (and it might not be theoretically possible to have one).
Unfortunately it's probably not an experiment that anyone can put
the time forward to try.
-Charlie R.
<blockquote style="border-left: #5555EE solid 0.2em; margin: 0em; padding-left: 0.85em">From talking to the developer, Cyberlink has never claimed to NOT be
operated by muscle movements. His theory was that if the activity
was there and could be used, then why not use it? Theoretically,
the Cyberlink could be operated by brain activity alone, but if I
remember the location of the electrodes right (forehead, I think?)
then there is not a lot of opertunities for picking up the type of
EEG signals typically used for BCIs. I suppose it is possible that
your subject may have some residual EMG in the forehead that could
be used, or that the remaining eye movements could be useful with
the Cyberlink. But, unless Cyberlink provides a lot of support, I
think the Wadsworth group in Albany might be your best option. They
are doing in-home testing of BCIs now, so they could potentially
provide your patient with a system for every-day use.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Jane Huggins, Ph.D. "God's terrible insistence on human freedom is
so absolute that he granted us the power to
On Thu, 6 Dec 2007, Margaret Cotts wrote:
<blockquote style="border-left: #5555EE solid 0.2em; margin: 0em; padding-left: 0.85em">Hi Antoinette-
I had a clients who had very little facial movement- couldn't operate a
P-Switch. Had no success using the Cyberlink- tried for several months (and
she was a lifelong practitioner of meditation, so theoretically, she should
have been a good candidate.) It led me to think that the Cyberlink was
activated by muscle movements.
Margaret Cotts
Has anyone has success using the Cyberlink device with the brain way
detection? (Not eye blinks or eyebrow movements.) I am working with a
patient who has very slow side to side eye movement only - no other
movements. So she would be using the brain wave detection, not EMG.
</blockquote></blockquote>
--
*************************************************
Charles J. Robinson, D.Sc., P.E. Fellow IEEE, Fellow AIMBE,
U.N.E.S.C.O. Academician
Director, Center for Rehabilitation Engineering, Science and Technology (CREST)
Herman L. Shulman Chair Professor, Department of Electrical and
Computer Engineering
Office CAMP 227; Clarkson University Box 5730; Potsdam, NY 13699-5730
CREST office: CAMP 125; Phone: 315-268-6528 /6651 Fax: 315-268-6654
Cell Phone 315-244-6241
Offices hours 12:30 to 5:30 PM; Mon-Fri
Email <xxxxxx@xxxxxxxx> or <xxxxxx@xxxxxxxxxxxx>
http://www.clarkson.edu/crest
Senior Rehabilitation Research Career Scientist
DUTY STATION: VA Potsdam Satellite Rehabilitation R&D Center
3rd Floor, Clarkson Hall, Potsdam, NY 13676
Phone: 315-425-vvvv; Fax 315-425-wwww
Offices hours 7 AM to 12 noon; Mon-Fri
HOME AFFILIATION: Syracuse VA Medical Center, Research Service 151
Rm D408; 800 Irvine Ave., Syracuse, NY 13210
Phone 315-425-4400 (X53606)
Adjunct Professor, Physical Medicine & Rehab Dept, Upstate Med Univ,
Syracuse, NY
Adjunct Professor, Louisiana Tech University, Ruston, LA
Founding, but Past Editor, IEEE Transactions on Rehabilitation Engineering
**************************************************
I expect to pass through this world but once.
Any good that I can do, or any kindnesses that I can show,
let me do them now, for I shall not pass this way again.
-Paraphrased from British author John Galsworthy
**************************************************
