I do wonder how documented the research is on the usefulness of this.
http://www.redwoodtimes.com/garbervillenews/ci_21304600
LENS neurofeedback provider Melissa Wessel drives
from Windsor in Sonoma County to Humboldt County every other week to
see her local clients, who include people recovering from brain damage,
stroke, and a variety of neurological conditions, including
post-traumatic stress disorder, attention deficit disorder, autism,
anxiety, and depression.
LENS, which stands for "Low Energy
Neurofeedback System," uses a low-powered electromagnetic field to carry
feedback from specific sites on a client’s brain. This feedback, which
is slightly different than the signal sent from the brain, "gently
nudges" an injured or disordered brain toward better function.
The
history of LENS began about 40 years ago when the public first became
aware of biofeedback as a treatment for a variety of conditions
including stress, depression, anxiety, and pain.
"If you
remember, with biofeedback you would be hooked up with something on your
hand or arm, and you would work at changing your body temperature or
your heart rate, and you would learn how to control your body and your
biological functions," Wessel recalled.
With neurofeedback,
which was originally called "brain entrainment," the client was
connected to a computer that read his or her brainwaves. The client then
played a game, such as driving a virtual car down a road on the
computer screen, using only feedback from his or her brain.
The
brain produces several kinds of waves, including alpha waves, beta
waves, and delta waves. In different illnesses or conditions, one or
more categories of waves originating from various parts of the brain can
be hyperactive or hypersuppressed, causing the client’s symptoms.
Rest at the link.
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