Developmental Cognitive Neuroscience,
Journal Year:
2023,
Volume and Issue:
65, P. 101321 - 101321
Published: Dec. 6, 2023
Communicative
signals
such
as
eye
contact
increase
infants'
brain
activation
to
visual
stimuli
and
promote
joint
attention.
Our
study
assessed
whether
communicative
during
attention
enhance
infant-caregiver
dyads'
neural
responses
objects,
their
synchrony.
To
track
mutual
processes,
we
applied
rhythmic
stimulation
(RVS),
presenting
images
of
objects
12-month-old
infants
mothers
(n
=
37
dyads),
while
recorded
activity
(i.e.,
steady-state
evoked
potentials,
SSVEPs)
with
electroencephalography
(EEG)
hyperscanning.
Within
dyads,
either
communicatively
showed
the
infant
or
watched
without
engagement.
cues
increased
mothers'
SSVEPs
at
central-occipital-parietal,
central
electrode
sites,
respectively.
Infants
significantly
more
gaze
behaviour
Dyadic
synchrony
(SSVEP
amplitude
envelope
correlations,
AECs)
was
not
modulated
by
cues.
Taken
together,
maternal
in
shape
own
processes.
We
show
that
cortical
processing,
thus
play
an
essential
role
social
learning.
Future
studies
need
elucidate
effect
on
Finally,
our
introduces
RVS
dynamics
contexts.
Imaging Neuroscience,
Journal Year:
2025,
Volume and Issue:
3
Published: Jan. 1, 2025
Abstract
Much
of
a
child’s
early
learning
takes
place
during
social
interactions
with
others.
Neural
synchrony,
the
temporal
alignment
individuals’
functional
brain
activity,
is
neural
mechanism
that
may
support
successful
interaction,
but
its
biological
origins
and
sensitivity
to
environmental
factors
remain
unknown.
This
study
measures
coherence
between
4-
6-year-old
children
their
mothers
using
wearable
near-infrared
spectroscopy
(“fNIRS”)
in
collaborative
problem-solving
hyperscanning
paradigm.
Best
practices
fNIRS
data
processing
are
incorporated
optimise
quantification
extricate
environmental-
task-related
effects.
Results
suggest
physiological
noise
extracerebral
layer
artificially
inflated
strength
both
oxygenated
(“HbO2”)
deoxygenated
(“HbR”)
haemoglobin.
Coherence
remained
stronger
than
individual
problem
solving
chromophores
after
reduction.
Phase-scrambled
pseudodyad
analyses
supported
interpretation
collaboration
relates
dynamics
interaction
rather
task-
or
environmental-related
components.
Strength
HbO2
was
positively
related
task
performance
negatively
background
maternal
stress.
HbR
also
stress
direction
results
were
mixed.
Overall,
this
provides
new
insight
into
nature
play.
Infancy,
Journal Year:
2025,
Volume and Issue:
30(2)
Published: March 1, 2025
Caregiver-infant
coregulation
is
an
early
form
of
communication.
This
study
investigated
whether
mother-infant
biological
associated
with
9-month-olds'
word
segmentation
performance,
a
crucial
milestone
predicting
language
development.
We
hypothesized
that
would
relate
infants'
performance.
Additionally,
we
examined
this
relationship
influenced
by
the
caregiving
environment
(i.e.,
parental
reflective
functioning)
and
infant's
emotional
state
positive
affect).
Coregulation
was
via
cardiac
synchrony
in
28
nine-month-old
infants
(16
females)
during
5-min
free-play
their
German-speaking
mothers.
Cardiac
measured
through
Respiratory
Sinus
Arrhythmia
(RSA),
employing
Recurrence
Quantification
Analysis
to
evaluate
dyadic
coupling
Rate)
predictability
Entropy).
Infants'
eye-tracking
central-fixation
procedure.
A
stepwise
regression
revealed
higher
coupling,
but
not
predictability,
dyads'
RSA
looking
longer
toward
screen
when
listening
novel
as
compared
familiar
test
words,
indicating
advanced
performance
(Cohen's
d
=
0.25).
Moreover,
correlated
positively
maternal
sensitivity
mental
states,
affect.
These
results
suggest
caregiver-infant
may
play
foundational
role
acquisition.
Psychotherapy Research,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 15
Published: April 13, 2025
This
study
aims
to
explore
whether
activity-preference
alignment
provides
unique
contributions
the
working
alliance
and
counseling
outcomes
beyond
client-rated
adult
attachment
style,
examine
moderating
roles
of
behavioral
brain
synchrony
in
this
process.
Sixteen
pairs
counselors
clients
participated
five
consecutive
weekly
sessions.
The
1st,
3rd,
5th
sessions
took
place
offline
a
near-infrared
laboratory,
while
2nd
4th
were
conducted
online
via
video
conferencing.
After
controlling
for
preference
showed
significant
impact
on
symptom
improvement.
Specifically,
had
positive
predictive
effect
improvement
when
counselor-guided
synchronization
was
high.
Attachment
avoidance
also
negatively
predicted
but
only
client-guided
temporoparietal
junction
low.
suggests
that
insights
into
style
alone.
Counselor-guided
amplifies
differences
improvement,
whereas
reduces
avoidance's
alliance.
These
findings
highlight
therapeutic
differently
based
who
guides
process,
emphasizing
need
consider
both
interpersonal
dynamics
factors
counseling.
Developmental Cognitive Neuroscience,
Journal Year:
2023,
Volume and Issue:
65, P. 101321 - 101321
Published: Dec. 6, 2023
Communicative
signals
such
as
eye
contact
increase
infants'
brain
activation
to
visual
stimuli
and
promote
joint
attention.
Our
study
assessed
whether
communicative
during
attention
enhance
infant-caregiver
dyads'
neural
responses
objects,
their
synchrony.
To
track
mutual
processes,
we
applied
rhythmic
stimulation
(RVS),
presenting
images
of
objects
12-month-old
infants
mothers
(n
=
37
dyads),
while
recorded
activity
(i.e.,
steady-state
evoked
potentials,
SSVEPs)
with
electroencephalography
(EEG)
hyperscanning.
Within
dyads,
either
communicatively
showed
the
infant
or
watched
without
engagement.
cues
increased
mothers'
SSVEPs
at
central-occipital-parietal,
central
electrode
sites,
respectively.
Infants
significantly
more
gaze
behaviour
Dyadic
synchrony
(SSVEP
amplitude
envelope
correlations,
AECs)
was
not
modulated
by
cues.
Taken
together,
maternal
in
shape
own
processes.
We
show
that
cortical
processing,
thus
play
an
essential
role
social
learning.
Future
studies
need
elucidate
effect
on
Finally,
our
introduces
RVS
dynamics
contexts.