Journal of Neural Engineering,
Год журнала:
2022,
Номер
20(1), С. 016012 - 016012
Опубликована: Дек. 19, 2022
Objective.
Spontaneous
fluctuations
of
cerebral
hemodynamics
measured
by
functional
magnetic
resonance
imaging
(fMRI)
are
widely
used
to
study
the
network
organization
brain.
The
temporal
correlations
among
ultra-slow,
<0.1
Hz
across
brain
regions
interpreted
as
connectivity
maps
and
for
diagnostics
neurological
disorders.
However,
despite
interest
narrowed
in
ultra-slow
fluctuations,
hemodynamic
activity
that
exists
beyond
frequency
range
could
contribute
connectivity,
which
remains
unclear.Approach.
In
present
study,
we
have
brain-wide
human
participants
with
near-infrared
spectroscopy
(fNIRS)
a
whole-head,
cap-based
high-density
montage
at
sampling
rate
6.25
Hz.
addition,
acquired
resting
state
fMRI
scans
same
group
cross-modal
evaluation
maps.
Then
fNIRS
data
were
deliberately
down-sampled
typical
∼0.5
resulted
differential
subject
k-means
clustering.Main
results.
Our
diffuse
optical
topographical
analysis
revealed
default
mode
(DMN)
spontaneous
deoxygenated
oxygenated
hemoglobin
changes,
remarkably
resemble
derived
from
participants.
Moreover,
shown
aliased
activities
signals
altered
patterns,
resulting
hemodynamics.Significance.The
results
first
time
demonstrated
broadly
accessible
modality
can
image
resting-state
posterior
midline,
prefrontal
parietal
structures
DMN
brain,
consistent
pattern
fMRI.
Further
empowered
fast
fNIRS,
our
findings
suggest
presence
current
understanding
organization.
Frontiers in Computational Neuroscience,
Год журнала:
2023,
Номер
17
Опубликована: Июль 27, 2023
Interpersonal
neural
synchronization
(INS)
demands
a
greater
understanding
of
brain's
influence
on
others.
Therefore,
brain
is
an
even
more
complex
system
than
intrasubject
connectivity
and
must
be
investigated.
There
need
to
develop
novel
methods
for
statistical
inference
in
this
context.In
study,
motivated
by
the
analysis
fNIRS
hyperscanning
data,
which
measure
activity
multiple
brains
simultaneously,
we
propose
two-step
network
estimation:
Tabu
search
local
method
global
maximization
selected
subgroup
[partial
conditional
directed
acyclic
graph
(DAG)
+
multiregression
dynamic
model].
We
illustrate
approach
dataset
two
individuals
who
are
playing
violin
together.This
study
contributes
new
tools
social
neuroscience
field,
may
provide
perspectives
about
intersubject
interactions.
Our
proposed
estimates
best
probabilistic
representation,
addition
providing
access
time-varying
parameters,
helpful
brain-to-brain
association
these
players.The
illustration
duo
highlights
time-evolving
changes
activation
individual
influencing
other
one
through
data-driven
analysis.
confirmed
that
player
was
leading
given
ROI
causal
relation
toward
player.
Applied Spectroscopy Reviews,
Год журнала:
2023,
Номер
59(7), С. 908 - 934
Опубликована: Ноя. 16, 2023
Functional
near-infrared
spectroscopy
(fNIRS)
is
a
noninvasive
brain
function
detection
technique
based
on
the
principle
of
neuro-vascular
coupling.
Based
bibliometric
approach,
present
study
visualizes
and
analyses
number
publications,
countries,
institutions,
authors,
co-citations
keywords
fNIRS
with
help
Web
Science
core
collection
database
platform,
CiteSpace
VOS-viewer
software,
provides
narrative
review
literature
in
past
decade
to
comprehensively
analyze
application
future
development
trend
clinical
practice.
The
findings
reveal
that
clinically
valuable
tool
numerous
advantages.
It
therefore
widely
utilized
capture
cortical
activity
data
both
resting
task-related
states.
enables
analysis
functional
states
from
multiple
dimensions
can
be
combined
other
imaging
techniques,
improving
identification
various
neurological
disorders,
psychiatric
conditions,
pediatric
medicine,
sports
medicine.
In
future,
technology
expected
achieve
higher
spatiotemporal
resolution,
increased
capacity,
reduced
interference
errors,
expanded
scope,
thereby
supporting
research
endeavors.
NeuroImage,
Год журнала:
2023,
Номер
285, С. 120486 - 120486
Опубликована: Дек. 8, 2023
Early
STEM
education
is
crucial
for
later
learning.
This
novel
study
utilised
fNIRS
to
examine
how
teaching
methods
(i.e.,
traditional,
storytelling,
storyboarding)
affect
neural
activity
synchronisation
between
teachers
and
students.
Our
results
showed
that
left
right
inferior
frontal
gyrus
(IFG)
storytelling
versus
traditional
teaching,
superior
temporal
storyboard
angular
were
significant
different
in
brain
synchronisation.
In
the
condition,
supramarginal
synchrony
was
found
improve
learning
outcomes.
IFG
correlated
positively
with
improvement.
The
findings
confirmed
story-based
storyboarding
can
efficacy
at
level
unscored
role
of
synchronization
as
a
predictor
Scientific Reports,
Год журнала:
2022,
Номер
12(1)
Опубликована: Июль 28, 2022
Abstract
As
members
of
a
social
species,
we
spend
most
our
time
interacting
with
others.
In
interactions,
tend
to
mutually
align
behavior
and
brain
responses
communicate
more
effectively.
semi-computerized
version
the
Rock-Paper-Scissors
game,
investigated
whether
people
show
enhanced
interpersonal
neural
synchronization
when
making
explicit
predictions
about
others’
actions.
Across
four
experimental
conditions,
measured
dynamic
activity
using
functional
near-infrared
spectroscopy
(fNIRS)
hyperscanning
method.
Results
showed
that
synchrony
was
participants
played
game
together
as
they
would
do
in
real
life
comparison
on
their
own.
We
found
no
evidence
increased
made
Hence,
may
depend
mutual
natural
interaction
rather
than
an
prediction
strategy.
This
study
is
important,
it
examines
one
presumed
functions
namely
facilitating
predictions.
Journal of Neural Engineering,
Год журнала:
2022,
Номер
20(1), С. 016012 - 016012
Опубликована: Дек. 19, 2022
Objective.
Spontaneous
fluctuations
of
cerebral
hemodynamics
measured
by
functional
magnetic
resonance
imaging
(fMRI)
are
widely
used
to
study
the
network
organization
brain.
The
temporal
correlations
among
ultra-slow,
<0.1
Hz
across
brain
regions
interpreted
as
connectivity
maps
and
for
diagnostics
neurological
disorders.
However,
despite
interest
narrowed
in
ultra-slow
fluctuations,
hemodynamic
activity
that
exists
beyond
frequency
range
could
contribute
connectivity,
which
remains
unclear.Approach.
In
present
study,
we
have
brain-wide
human
participants
with
near-infrared
spectroscopy
(fNIRS)
a
whole-head,
cap-based
high-density
montage
at
sampling
rate
6.25
Hz.
addition,
acquired
resting
state
fMRI
scans
same
group
cross-modal
evaluation
maps.
Then
fNIRS
data
were
deliberately
down-sampled
typical
∼0.5
resulted
differential
subject
k-means
clustering.Main
results.
Our
diffuse
optical
topographical
analysis
revealed
default
mode
(DMN)
spontaneous
deoxygenated
oxygenated
hemoglobin
changes,
remarkably
resemble
derived
from
participants.
Moreover,
shown
aliased
activities
signals
altered
patterns,
resulting
hemodynamics.Significance.The
results
first
time
demonstrated
broadly
accessible
modality
can
image
resting-state
posterior
midline,
prefrontal
parietal
structures
DMN
brain,
consistent
pattern
fMRI.
Further
empowered
fast
fNIRS,
our
findings
suggest
presence
current
understanding
organization.
