Localization of Seizure Onset Zone based on Spatio-Temporal Independent Component Analysis on fMRI
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 7, 2025
Abstract
Localization
of
the
seizure
onset
zone
(SOZ)
as
a
step
presurgical
planning
leads
to
higher
efficiency
in
surgical
and
stimulation
treatments.
However,
clinical
localization
including
structural,
ictal,
invasive
data
acquisition
assessment
is
difficult
long
procedure
with
increasing
challenges
patients
complex
epileptic
foci.
The
interictal
methods
are
proposed
assist
simpler
speed.
In
this
study,
spatio-temporal
component
classification
presented
for
foci
using
resting-state
functional
magnetic
resonance
imaging
(rs-fMRI)
data.
This
method
based
on
independent
analysis
(ST-ICA)
rs-fMRI
component-sorting
upon
dominant
power
frequency,
biophysical
constraints,
spatial
lateralization,
local
connectivity,
temporal
energy,
non-Gaussianity.
aimed
utilize
potential
reach
high
accuracy
localizing
from
while
retaining
reliability
results
usage.
Thirteen
lobe
epilepsy
(TLE)
who
underwent
resection
had
seizure-free
outcomes
after
12-month
follow-up
were
included
study.
All
pre-surgical
structural
MRI
post-surgical
images
available
ten.
Based
relationship
between
localized
resection,
classified
into
three
groups
“fully
concordant”,
“partially
“discordant”.
These
resulting
cluster
aligned
with,
same
outside
area,
respectively.
showed
promising
highlighting
valuable
features
SOZ
biomarkers.
Contrary
most
which
depend
simultaneous
EEG
information,
occurrence
spikes,
depth
foci,
entirely
fMRI
making
it
such
information
considerably
easier
terms
acquisition,
artifact
removal,
implement.
Language: Английский
Effects of Transcranial Direct Current Stimulation on Potential P300-Related Events and Alpha and Beta EEG Band Rhythms in Parkinson's Disease
Journal of Integrative Neuroscience,
Journal Year:
2024,
Volume and Issue:
23(2), P. 25 - 25
Published: Jan. 31, 2024
Background:
Parkinson's
disease
is
one
of
the
most
common
neurodegenerative
disorders.
While
a
definitive
cure
for
remains
elusive,
range
treatments
are
available
to
slow
its
progression
and
counteract
symptoms.
Transcranial
direct
current
stimulation
(tDCS)
represents
non-invasive
method
induce
brain
plasticity.
The
aim
this
study
was
examine
effects
two
weeks
tDCS
on
left
dorsolateral
prefrontal
cortex
(DLPFC)
neurophysiological
functioning
patients.
Methods:
Thirty
patients
aged
between
67
82
years
with
participated
experiment.
Fifteen
underwent
DLPFC,
while
fifteen
sham
tDCS.
Neurophysiological
functions
were
assessed
before
after
using
electroencephalogram
methods
alpha
beta
band
rhythms
P300
event-related
potential
latency.
Results:
led
reduction
in
onset
latency
response
an
increase
power
spectrum
rhythms.
Conclusions:
This
research
enhances
our
understanding
context
treatment,
as
bands
associated
improvements
cognitive
aspects.
Language: Английский
Neuroenhancement by repetitive transcranial magnetic stimulation (rTMS) on DLPFC in healthy adults
Cognitive Neurodynamics,
Journal Year:
2025,
Volume and Issue:
19(1)
Published: Jan. 24, 2025
Language: Английский