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A random Abstract
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Noninvasive brain-computer interface enables communication after brainstem stroke.
[locked-in syndrome]
Brain
-computer
interfaces
(
BCIs
)
provide
communication
that
is
independent
of
muscle
control
,
and
can
be
especially
important
for
individuals
with
severe
neuromuscular
disease
who
can
not
use
standard
communication
pathways
or
other
assistive
technology
.
It
has
previously
been
shown
that
people
with
amyotrophic
lateral
sclerosis
(
ALS
)
can
successfully
use
BCI
after
all
other
means
of
independent
communication
have
failed
.
The
BCI
literature
has
asserted
that
brainstem
stroke
survivors
can
also
benefit
from
BCI
use
.
This
study
used
a
P
300
-
based
event-related
potential
spelling
system
.
This
case
study
demonstrates
that
an
individual
locked-
in
owing
to
brainstem
stroke
was
able
to
use
a
noninvasive
BCI
to
communicate
volitional
messages
.
Over
a
period
of
13
months
,
the
participant
was
able
to
successfully
operate
the
system
during
40
of
62
recording
sessions
.
He
was
able
to
accurately
spell
words
provided
by
the
experimenter
and
to
initiate
dialogues
with
his
family
.
The
results
broadly
suggest
that
,
regardless
of
the
precipitating
event
,
BCI
use
may
be
of
benefit
to
those
with
locked-
in
syndrome
.