Scientific Reports,
Journal Year:
2018,
Volume and Issue:
8(1)
Published: Oct. 16, 2018
Abstract
Rumination
is
a
perseverative
thinking
style
that
associated
with
adverse
mental
and
physical
health.
Stressful
situations
have
been
considered
as
trigger
for
this
kind
of
thinking.
Until
today,
there
are
mixed
findings
respect
to
the
relations
functional
connectivity
(FC)
rumination.
The
study
at
hand
aimed
investigate,
in
how
far
high
low
ruminators
would
show
elevated
levels
state
rumination
after
stress
induction
if
these
changes
corresponding
FC
cognitive
control
network
(CCN)
dorsal
attention
(DAN).
23
22
trait
underwent
resting-state
measurements
before
Trier
Social
Stress
Test
(TSST).
Changes
rsFC
through
TSST
were
measured
near-infrared
spectroscopy
within
between
regions
CCN.
successfully
induced
both
groups
but
stronger
ruminators.
High
showed
CCN
baseline,
attenuated
increase
following
TSST.
Increases
correlated
negatively
A
lack
reactivity
might
reflect
reduced
integration
brain
necessary
emotion
regulation
control.
Frontiers in Neurology,
Journal Year:
2025,
Volume and Issue:
16
Published: Jan. 30, 2025
Background
It
has
been
well
established
that
psychiatric
disorders
are
often
accompanied
by
cognitive
dysfunction.
Previous
studies
have
investigated
the
verbal
fluency
task
(VFT)
for
detecting
executive
function
impairment
in
different
disorders,
but
sensitivity
and
specificity
of
this
not
explored.
Furthermore,
clarifying
mechanisms
underlying
variations
impairments
across
multiple
will
enhance
our
comprehension
brain
activity
alternations
among
these
disorders.
Therefore,
study
combined
VFT
functional
near-infrared
spectroscopy
(fNIRS)
to
investigate
neural
including
anxiety
disorder
(AD),
sleep
(SD)
major
depressive
(MDD).
Methods
Two
hundred
eight
participants
were
enrolled
52
AD,
SD,
MDD
healthy
controls
(HCs).
All
completed
while
being
monitored
using
fNIRS
measure
changes
oxygenated
hemoglobin
(Oxy-Hb).
Results
Our
results
demonstrated
MDD,
AD
SD
exhibited
decreased
overall
connectivity
strength,
as
reduced
connected
networks
involving
frontal
temporal
regions
during
comparing
HC.
group
showed
a
reduction
networks,
specifically
left
superior
gyrus
precentral
gyrus,
compared
group.
Conclusion
offers
evidence
with
could
effectively
detect
Frontiers in Neuroscience,
Journal Year:
2021,
Volume and Issue:
15
Published: Aug. 16, 2021
As
a
world
intangible
cultural
heritage,
acupuncture
is
considered
an
essential
modality
of
complementary
and
alternative
therapy
to
Western
medicine.
Despite
acupuncture’s
long
history
public
acceptance,
how
the
cortical
network
modulated
by
remains
largely
unclear.
Moreover,
as
basic
unit
for
regulating
central
nervous
system,
during
at
Hegu
acupoint
mostly
Here,
multi-channel
functional
near-infrared
spectroscopy
(fNIRS)
data
were
recorded
from
twenty
healthy
subjects
manipulation,
pre-
post-manipulation
tactile
controls,
post-acupuncture
rest
controls.
Results
showed
that:
(1)
manipulation
caused
significantly
increased
behavioral
deqi
performance
compared
with
(2)
The
bilateral
prefrontal
cortex
(PFC)
motor
inhibited
than
which
was
evidenced
decreased
power
oxygenated
hemoglobin
(HbO)
concentration.
(3)
PFC’s
hemodynamic
responses
positive
correlation
trend
performance.
(4)
connections
PFC
nodes
connectivity
(5)
Meanwhile,
network’s
efficiency
improved
global
shortest
path
length.
Taken
together,
these
results
reveal
that
cooperative
PFC-Motor
could
be
acupoint.
This
study
provides
neuroimaging
evidence
explains
neuromodulation
effects
on
network.
Scientific Reports,
Journal Year:
2018,
Volume and Issue:
8(1)
Published: Oct. 16, 2018
Abstract
Rumination
is
a
perseverative
thinking
style
that
associated
with
adverse
mental
and
physical
health.
Stressful
situations
have
been
considered
as
trigger
for
this
kind
of
thinking.
Until
today,
there
are
mixed
findings
respect
to
the
relations
functional
connectivity
(FC)
rumination.
The
study
at
hand
aimed
investigate,
in
how
far
high
low
ruminators
would
show
elevated
levels
state
rumination
after
stress
induction
if
these
changes
corresponding
FC
cognitive
control
network
(CCN)
dorsal
attention
(DAN).
23
22
trait
underwent
resting-state
measurements
before
Trier
Social
Stress
Test
(TSST).
Changes
rsFC
through
TSST
were
measured
near-infrared
spectroscopy
within
between
regions
CCN.
successfully
induced
both
groups
but
stronger
ruminators.
High
showed
CCN
baseline,
attenuated
increase
following
TSST.
Increases
correlated
negatively
A
lack
reactivity
might
reflect
reduced
integration
brain
necessary
emotion
regulation
control.