A free association semantic task for fNIRS-based perinatal depression assessment
Frontiers in Neurology,
Год журнала:
2025,
Номер
15
Опубликована: Янв. 15, 2025
Perinatal
depression
(PD)
is
a
highly
prevalent
psychological
disorder
that
has
detrimental
effect
on
infant
and
maternal
physical
mental
health,
but
effective
objective
assessment
of
PD
still
insufficient.
In
recent
years,
the
functional
near-infrared
spectroscopy
(fNIRS)
been
acknowledged
as
an
non-invasive
tool
for
clinical
depression.
This
study
proposed
free
association
semantic
task
(FAST)
paradigm
fNIRS-based
PD.
To
better
address
emotion
characteristics
PD,
participants
are
required
to
generate
dynamic
concept
chain
based
positive,
negative
or
neutral
seed
words,
while
48-channel
fNIRS
recordings
over
frontal
bilateral
temporal
regions.
Results
from
twenty-two
late-pregnant
women
revealed
that,
oxyhemoglobin
(oxy-Hb)
changes
during
FAST
with
positive
words
region
were
correlated
severity,
which
was
different
correlation
patterns
in
word
classical
verbal
fluency
test
(VFT).
Furthermore,
distinct
also
observed
manifested
channels
corresponding
right
dorsolateral
prefrontal
cortex
(DLPFC)
inferior
gyrus
(IFG),
respectively.
Moreover,
regression
analyses
showed
can
well
explain
severity
Our
findings
suggest
promising
approach
assessment.
Язык: Английский
Probing Puberty as a Source of Developmental Change in Neural Response to Emotional Faces in Early Adolescence
Developmental Psychobiology,
Год журнала:
2025,
Номер
67(2)
Опубликована: Март 1, 2025
ABSTRACT
Pubertal
development
is
theorized
to
shape
the
brain's
response
socio‐emotional
information
in
environment.
Large‐scale
longitudinal
studies,
such
as
Adolescent
Brain
Cognitive
Development
(ABCD)
study,
provide
opportunity
examine
association
between
pubertal
maturation
and
within‐person
changes
neural
activation
emotional
stimuli
over
time.
Leveraging
ABCD
data
(
n
=
9648),
current
study
examines
coupling
parent‐reported
youth's
brain
faces
an
‐back
task
(during
functional
magnetic
resonance
imaging)
across
two
timepoints
(2
years
apart).
Bivariate
latent
change
score
models
were
fit
regions
of
interest
canonically
involved
face
processing
(fusiform),
emotional/motivational
salience
(amygdala,
nucleus
accumbens,
orbitofrontal
cortex
[OFC]),
social
cognition
(temporoparietal
junction
[TPJ])
determine
associations
baseline
status
response,
rate
either
variable
Results
point
both
concurrent
TPJ,
OFC)
but
not
basic
facial
(fusiform).
These
findings
highlight
a
potential
mechanism
for
during
transition
from
childhood
adolescence.
Язык: Английский
Exploring the Ability to Classify Visual Perception and Visual Imagery EEG Data: Toward an Intuitive BCI System
Electronics,
Год журнала:
2022,
Номер
11(17), С. 2706 - 2706
Опубликована: Авг. 29, 2022
Providing
an
intuitive
interface
for
the
actual
use
of
brain–computer
(BCI)
can
increase
BCI
users’
convenience
greatly.
We
explored
possibility
that
visual
imagery
be
used
as
a
paradigm
may
constitute
more
intuitive,
active
BCI.
To
do
so,
electroencephalography
(EEG)
data
were
collected
during
perception
and
experiments.
Three
image
categories
(object,
digit,
shape)
three
different
images
per
category
stimuli.
EEG
from
seven
subjects
in
this
work.
types
perception/imagery
preprocessed
classification:
raw
time
series
data;
time–frequency
maps;
common
spatial
pattern
(CSP).
Five
classifiers
(EEGNet,
1D
convolutional
neural
network
(CNN),
MultiRocket,
MobileNet,
support
vector
machine
(SVM))
applied
to
each
applicable
type
among
types.
Thus,
we
investigated
feasibility
classifying
three-category
or
nine-class
over
various
found
MultiRocket
showed
best
classification
performance:
yielding
approximately
57.02%
(max
63.62%)
46.43%
71.38%)
accuracy
imagery.
However,
no
meaningfully
improved
performance
was
achieved
either
imagery,
although
yielded
slightly
higher
than
From
our
extensive
investigation,
classified;
however,
it
is
somewhat
doubtful
whether
system.
It
believed
introducing
better-designed
advanced
deep
learning
networks
together
with
informative
feature
extractions
improve
classifications.
In
addition,
sophisticated
experimental
design
enhance
potential
achieve
Язык: Английский
Anxiety symptoms are differentially associated with facial expression processing in boys and girls
Social Cognitive and Affective Neuroscience,
Год журнала:
2024,
Номер
19(1)
Опубликована: Янв. 1, 2024
Facial
expressions
convey
important
social
information
and
can
initiate
behavioral
change
through
the
processing
understanding
of
emotions.
However,
while
this
ability
is
known
to
evolve
throughout
development,
it
remains
unclear
whether
differs
between
girls
boys
or
how
other
variables
such
as
level
anxiety
modulate
it.
Furthermore,
underlying
neural
mechanisms
facial
expression
they
are
linked
by
sex
during
development
essential,
alterations
in
have
been
associated
with
psychiatric
disorders.
Herein,
191
typically
developing
youth
(6-
15-years
old)
completed
an
implicit
face
task
involving
three
(angry,
happy,
neutral)
functional
magnetic
resonance
imaging.
We
conducted
linear
models
on
fMRI
data
investigate
impact
brain
responses
emotional
faces,
accounting
for
age.
Our
findings
indicated
a
significant
anxiety-by-sex
interaction
posterior
network
covering
bilateral
visual
medial
temporal
cortices
happy
>
neutral
contrast.
Specifically,
higher
showed
weaker
activation
opposite
pattern.
These
suggest
that
inter-subject
variability
reported
individuals
response
emotions
may
be
related
many
factors,
including
level.
Язык: Английский