TMS: AN ALTERNATIVE TO ELECTROSHOCK
Shock
therapy is back in vogue among psychiatrists, a fact which I find very
disturbing. While the doctors claim it
helps depression and is safe, in reality shock therapy can have the side effect
of long term or short term memory damage that in a lot of cases can be
permanent. An alternative therapy, TMS or “Transcranial Magnetic Stimulation”
seems to be a less barbaric treatment which does not cause brain damage. General anesthetic is not required with TMS
and specific areas of the brain can be targeted without causing a convulsion.
According
to the National Alliance for Research on Schizophrenia and Depression, TMS “
... has been successful in helping people who are severely depressed.” TMS uses an external magnet to stimulate the
left prefrontal cortex, an area of the brain that is found to be functioning
abnormally in depressed individuals. Dr.
Mark George comments, “This new tool allows us for the first time in the
history of mankind to non-invasively stimulate the brain while the person is
awake and alert.” In a study of 30 depressed, suicidal patients who had not
been helped by medication, 20 had TMS for 20 minutes five days a week for a
fortnight. Ten patients had the magnetic
device placed on their heads but didn’t receive the treatment. None of the patients knew if they received
the real treatment or not. The patients
who received the TMS therapy showed a marked improvement in their depression,
while the controls showed no improvement at all. Apparently, the only side effect of TMS is
that a third of the patients reported a mild headache, which was easily
relieved with common over the counter remedies like Ibuprophen.
The
biological mechanisms that trigger depression are still not well known,
however, research done using MRI machines has detected abnormalities in the
prefrontal cortex of depressed patients.
This reason lead scientists to consider TMS as tool to target that area. Before TMS becomes a standard treatment for
depression at your local Mental Health Clinic, more studies have to be done to
determine why it works, what intensity of magnetic power to use, and how
frequent the treatment should be.
However, Dr. George feels that further MRI research will reveal more of
the brains secrets. Also, there is
controversy over whether a treatment which does not cause a convulsion is as
effective as electroshock which does cause a convulsion. Traditional electroshock requires
anesthesia and this can produce oversedation and vomiting afterwards, while TMS
does not have these discomforts.
There
are a significant number of depressed patients
who are not helped by antidepressants or experience too unpleasant side
effects to tolerate them. While there is
still experimentation going on with TMS it has been around for ten years and
looks like a humane and viable alternative to shock therapy. Personally, I would run as fast as I could
away from having shock therapy, but I would gladly submit to being treated with
TMS.
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