NeuroImage,
Journal Year:
2022,
Volume and Issue:
256, P. 119218 - 119218
Published: April 17, 2022
Free
gaze
and
moving
images
are
typically
avoided
in
EEG
experiments
due
to
the
expected
generation
of
artifacts
noise.
Yet
for
a
growing
number
research
questions,
loosening
these
rigorous
restrictions
would
be
beneficial.
Among
is
on
visual
aesthetic
experiences,
which
often
involve
open-ended
exploration
highly
variable
stimuli.
Here
we
systematically
compare
effect
conservative
vs.
more
liberal
experimental
settings
various
measures
behavior,
brain
activity
physiology
an
rating
task.
Our
primary
aim
was
assess
signal
quality.
43
participants
either
maintained
fixation
or
were
allowed
freely,
viewed
static
dynamic
(video)
stimuli
consisting
dance
performances
nature
scenes.
A
passive
auditory
background
task
(auditory
steady-state
response;
ASSR)
added
as
proxy
measure
overall
recording
We
recorded
EEG,
ECG
eye
tracking
data,
rated
their
preference
state
boredom
each
trial.
Whereas
both
behavioral
ratings
behavior
affected
by
stimulus
manipulations,
SNR
barely
generally
robust
across
all
conditions,
despite
only
minimal
preprocessing
no
trial
rejection.
In
particular,
show
that
using
video
does
not
necessarily
result
lower
quality
can,
contrary,
significantly
reduce
movements
while
increasing
participants'
response
general
engagement.
see
encouraging
results
indicating
-
at
least
lab
conditions
can
adopted
without
significant
loss
eNeuro,
Journal Year:
2022,
Volume and Issue:
9(2), P. ENEURO.0268 - 21.2022
Published: March 1, 2022
Single-brain
neuroimaging
studies
have
shown
that
human
cooperation
is
associated
with
neural
activity
in
frontal
and
temporoparietal
regions.
However,
it
remains
unclear
whether
single-brain
are
informative
about
real
life,
where
people
interact
dynamically.
Such
dynamic
interactions
become
the
focus
of
interbrain
studies.
An
advantageous
technique
this
regard
functional
near-infrared
spectroscopy
(fNIRS)
because
less
susceptible
to
movement
artifacts
than
more
conventional
techniques
like
electroencephalography
(EEG)
or
magnetic
resonance
imaging
(fMRI).
We
conducted
a
systematic
review
first
quantitative
meta-analysis
fNIRS
hyperscanning
cooperation,
based
on
thirteen
890
participants.
Overall,
revealed
evidence
statistically
significant
synchrony
while
were
cooperating,
large
overall
effect
sizes
both
areas.
All
observed
prefrontal
cortex
(PFC),
suggesting
region
particularly
relevant
for
cooperative
behavior.
The
consistency
these
findings
unlikely
be
task-related
activations,
given
used
diverse
tasks.
Together,
present
support
importance
synchronization
regions
interpersonal
cooperation.
Moreover,
article
highlights
usefulness
meta-analyses
as
tool
discerning
patterns
dynamics.
NeuroImage,
Journal Year:
2020,
Volume and Issue:
227, P. 117436 - 117436
Published: Oct. 8, 2020
When
we
feel
connected
or
engaged
during
social
behavior,
are
our
brains
in
fact
"in
sync"
a
formal,
quantifiable
sense?
Most
studies
addressing
this
question
use
highly
controlled
tasks
with
homogenous
subject
pools.
In
an
effort
to
take
more
naturalistic
approach,
collaborated
art
institutions
crowdsource
neuroscience
data:
Over
the
course
of
5
years,
collected
electroencephalogram
(EEG)
data
from
thousands
museum
and
festival
visitors
who
volunteered
engage
10-min
face-to-face
interaction.
Pairs
participants
various
levels
familiarity
sat
inside
Mutual
Wave
Machine—an
artistic
neurofeedback
installation
that
translates
real-time
correlations
each
pair's
EEG
activity
into
light
patterns.
Because
such
inter-participant
prone
noise
contamination,
subsequent
offline
analyses
computed
inter-brain
coupling
using
Imaginary
Coherence
Projected
Power
Correlations,
two
synchrony
metrics
largely
immune
instantaneous,
noise-driven
correlations.
applying
these
methods
subsets
recorded
most
consistent
protocols,
found
pairs'
trait
empathy,
closeness,
engagement,
behavior
(joint
action
eye
contact)
consistently
predicted
extent
which
their
brain
became
synchronized,
prominently
low
alpha
(~7–10
Hz)
beta
(~20–22
oscillations.
These
findings
support
account
where
shared
engagement
joint
drive
coupled
neural
dynamic,
interactions.
To
knowledge,
work
constitutes
first
demonstration
interdisciplinary,
real-world,
crowdsourcing
approach
may
provide
promising
method
collect
large,
rich
datasets
pertaining
real-life
Additionally,
it
is
how
general
public
can
participate
scientific
process
outside
laboratory.
Institutions
as
museums,
galleries,
any
other
organization
actively
engages
out
self-motivation,
help
facilitate
type
citizen
science
research,
collection
large
under
scientifically
experimental
conditions.
further
enhance
interest
for
out-of-the-lab
results
study
disseminated
through
website
tailored
(wp.nyu.edu/mutualwavemachine).
Mind Brain and Education,
Journal Year:
2021,
Volume and Issue:
15(4), P. 354 - 370
Published: Oct. 5, 2021
As
the
field
of
educational
neuroscience
continues
to
grow,
questions
have
emerged
regarding
ecological
validity
and
applicability
this
research
practice.
Recent
advances
in
mobile
neuroimaging
technologies
made
it
possible
conduct
neuroscientific
studies
directly
naturalistic
learning
environments.
We
propose
that
embedding
a
cycle
(Matusz,
Dikker,
Huth,
&
Perrodin,
2019),
involving
lab-based,
seminaturalistic,
fully
experiments,
is
well
suited
for
addressing
questions.
With
review,
we
take
cautious
approach,
by
discussing
valuable
insights
can
be
gained
from
technology,
including
electroencephalography
functional
near-infrared
spectroscopy,
as
challenges
posed
bringing
methods
into
classroom.
Research
paradigms
used
alongside
technology
vary
considerably.
To
illustrate
point,
are
discussed
with
increasingly
designs.
conclude
several
ethical
considerations
should
taken
account
unique
area
research.
NeuroImage,
Journal Year:
2022,
Volume and Issue:
264, P. 119677 - 119677
Published: Oct. 13, 2022
The
transition
to
technologically-assisted
communication
has
permeated
all
facets
of
human
social
life;
yet,
its
impact
on
the
brain
is
still
unknown
and
effects
may
be
particularly
intense
during
periods
developmental
transitions.
Applying
a
two-brain
perspective,
current
preregistered
study
utilized
hyperscanning
EEG
measure
brain-to-brain
synchrony
in
62
mother-child
pairs
at
adolescence
(child
age;
M
=
12.26,
range
10-14)
live
face-to-face
interaction
versus
remote
communication.
elicited
9
significant
cross-brain
links
between
densely
inter-connected
frontal
temporal
areas
beta
[14-30
Hz].
Mother's
right
region
connected
with
child's
left
frontal,
temporal,
central
regions,
suggesting
regulatory
role
organizing
dynamics.
In
contrast,
only
1
cross-brain-cross-hemisphere
link,
attenuating
robust
right-to-right-brain
connectivity
moments
that
communicates
socio-affective
signals.
Furthermore,
while
level
behavior
was
comparable
two
interactions,
brain-behavior
associations
emerged
exchange.
Mother-child
temporal-temporal
linked
shared
gaze
degree
child
engagement
empathic
correlated
frontal-frontal
synchrony.
Our
findings
indicate
co-presence
underpinned
by
specific
neurobiological
processes
should
studied
depth.
Much
further
research
needed
tease
apart
whether
"Zoom
fatigue"
experienced
technological
stem,
part,
from
overload
more
limited
inter-brain
connections
address
potential
cost
technology
for
maturation,
among
youth.
NeuroImage,
Journal Year:
2023,
Volume and Issue:
280, P. 120354 - 120354
Published: Sept. 4, 2023
Hyperscanning
is
a
form
of
neuroimaging
experiment
where
the
brains
two
or
more
participants
are
imaged
simultaneously
whilst
they
interact.
Within
domain
social
neuroscience,
hyperscanning
increasingly
used
to
measure
inter-brain
coupling
(IBC)
and
explore
how
brain
responses
change
in
tandem
during
interaction.
In
addition
cognitive
research,
some
have
suggested
that
quantification
interplay
between
interacting
can
be
as
biomarker
for
variety
mechanisms
aswell
investigate
mental
health
developmental
conditions
including
schizophrenia,
anxiety
autism.
However,
many
different
methods
been
quantify
this
lead
questions
about
comparability
across
studies
reduce
research
reproducibility.
Here,
we
review
quantifying
IBC,
suggest
ways
moving
forward.
Following
PRISMA
guidelines,
reviewed
215
studies,
four
imaging
modalities:
functional
near-infrared
spectroscopy
(fNIRS),
magnetic
resonance
(fMRI),
electroencephalography
(EEG)
magnetoencephalography
(MEG).
Overall,
identified
total
27
compute
IBC.
The
most
common
modality
fNIRS,
by
119
89
which
adopted
wavelet
coherence.
Based
on
results
literature
survey,
first
report
summary
statistics
field,
followed
brief
overview
each
signal
obtained
from
hyperscanning.
We
then
discuss
rationale,
assumptions
suitability
method
modalities
Finally,
issues
surrounding
interpretation
method.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Feb. 1, 2024
Abstract
Texting
has
become
one
of
the
most
prevalent
ways
to
interact
socially,
particularly
among
youth;
however,
effects
text
messaging
on
social
brain
functioning
are
unknown.
Guided
by
biobehavioral
synchrony
frame,
this
pre-registered
study
utilized
hyperscanning
EEG
evaluate
interbrain
during
face-to-face
versus
texting
interactions.
Participants
included
65
mother-adolescent
dyads
observed
conversation
compared
from
different
rooms.
Results
indicate
that
both
and
communication
elicit
significant
neural
surrogate
data,
demonstrating
for
first
time
brain-to-brain
texting.
Direct
comparison
between
two
interactions
highlighted
8
fronto-temporal
links
were
significantly
stronger
in
interaction
Our
findings
suggest
partners
co-create
a
network
inter-brain
connections
live
exchanges.
The
degree
improvement
partners'
right-frontal-right-frontal
connectivity
correlated
with
greater
behavioral
synchrony,
suggesting
well-researched
connection
may
be
specific
communication.
while
technology-based
allows
humans
synchronize
afar,
remain
superior
mode
interpersonal
connection.
We
conclude
discussing
potential
benefits
drawbacks
pervasive
use
texting,
youth.
Social Cognitive and Affective Neuroscience,
Journal Year:
2024,
Volume and Issue:
19(1)
Published: Jan. 1, 2024
Developments
in
cognitive
neuroscience
have
led
to
the
emergence
of
hyperscanning,
simultaneous
measurement
brain
activity
from
multiple
people.
Hyperscanning
is
useful
for
investigating
social
cognition,
including
joint
action,
because
its
ability
capture
neural
processes
that
occur
within
and
between
people
as
they
coordinate
actions
toward
a
shared
goal.
Here,
we
provide
practical
guide
researchers
considering
using
hyperscanning
study
action
seeking
avoid
frequently
raised
concerns
skeptics.
We
focus
specifically
on
Electroencephalography
(EEG)
which
widely
available
optimally
suited
capturing
fine-grained
temporal
dynamics
coordination.
Our
guidelines
cover
questions
are
likely
arise
when
planning
project,
ranging
whether
appropriate
answering
one's
research
considerations
design,
dependent
variable
selection,
data
analysis
visualization.
By
following
clear
facilitate
careful
consideration
theoretical
implications
design
choices
other
methodological
decisions,
can
mitigate
interpretability
issues
maximize
benefits
paradigms.
Journal of Neuroscience Methods,
Journal Year:
2025,
Volume and Issue:
416, P. 110355 - 110355
Published: Jan. 22, 2025
The
neural
mechanisms
underlying
real-time
social
interaction
remain
poorly
understood.
While
hyperscanning
has
emerged
as
a
popular
method
to
better
understand
inter-brain
mechanisms,
methods
underdeveloped,
and
primarily
focused
on
synchronization
(IBS).
We
developed
novel
approach
employing
two-brain
EEG
microstates,
investigate
during
symmetric
asymmetric
interactive
tasks.
Microstates
are
quasi-stable
configurations
of
brain
activity
that
have
been
proposed
represent
basic
building
blocks
for
mental
processing.
Expanding
the
microstate
methodology
dyads
interacting
participants
enables
us
moments
synchronous
activity.
Conventional
microstates
fitted
individuals
were
not
related
different
conditions.
However,
modulated
in
observer-actor
condition,
compared
all
other
conditions
where
had
more
task
demands,
same
trend
was
observed
follower-leader
condition.
This
indicates
differences
resting
state
default-mode
network
interactions
with
Hyperscanning
studies
estimated
IBS
based
functional
connectivity
measures.
localized
connections
often
hard
interpret
larger
scale
when
multiple
across
brains
found
be
important.
Two-brain
offer
an
alternative
evaluate
from
large-scale
global
perspective,
by
quantifying
task-driven
states
between
individuals.
present
using
including
open-source
code,
which
expands
current
hyperscanning-EEG
measure
potentially
identify
both
interaction.
Journal of Integrative Neuroscience,
Journal Year:
2025,
Volume and Issue:
24(1)
Published: Jan. 7, 2025
Background:
Observation,
execution,
and
imitation
of
target
actions
based
on
mirror
neuron
network
(MNN)
have
become
common
physiotherapy
strategies.
Electrical
stimulation
(ES)
is
a
intervention
to
improve
muscle
strength
motor
control
in
rehabilitation
treatments.
It
possible
enhance
MNN’s
activation
by
combining
execution
(ME)
(MI)
with
ES
simultaneously.
This
study
aims
reveal
whether
could
impact
cortical
during
ME
MI.
Methods:
We
recruited
healthy
individuals
assigned
them
randomly
the
group
(CG)
or
experiment
(EG).
Participants
EG
performed
MI
tasks
ES,
while
participants
CG
same
two
sham
ES.
utilized
functional
near-infrared
spectroscopy
(fNIRS)
detect
brain
MNN
without
randomized
block
design
paradigm
was
designed.
Descriptive
analysis
oxy-hemoglobin
(HbO)
deoxy-hemoglobin
(HbR)
were
used
show
hemoglobin
(Hb)
concentration
changes
after
different
event
onsets
both
EG,
linear
mixed-effects
model
(LMM)
HbO
data
employed
analyze
effect
MNN.
Results:
A
total
102
adults
72
participants’
analysed
final
report.
The
averaged
Hb
showed
that
increased
HbR
decreased
most
regions
groups.
LMM
results
can
significantly
inferior
frontal
gyrus,
middle
precentral
gyrus
MI,
supplementary
area,
parietal
lobule,
superior
temporal
gyri
activation,
but
statistical
significance.
Although
did
not
reach
significance
ME,
still
positive
effects
overall
activations.
Conclusions:
In
this
study,
we
present
potential
novel
approaches
combines
strategies
low-frequency
activation.
Our
revealed
has
increase
areas,
providing
evidence
for
related
rehabilitative
interventions
device
development.
Clinical
Trial
Registration:
registered
China
Registration
Center
(identifier:
ChiCTR2200064082,
26,
September
2022,
https://www.chictr.org.cn/showproj.html?proj=178285).
Developmental Cognitive Neuroscience,
Journal Year:
2022,
Volume and Issue:
54, P. 101104 - 101104
Published: March 28, 2022
Cutting-edge
hyperscanning
methods
led
to
a
paradigm
shift
in
social
neuroscience.
It
allowed
researchers
measure
dynamic
mutual
alignment
of
neural
processes
between
two
or
more
individuals
naturalistic
contexts.
The
ever-growing
interest
research
calls
for
the
development
transparent
and
validated
data
analysis
further
advance
field.
We
have
developed
tested
dual
electroencephalography
(EEG)
pipeline,
namely
DEEP.
Following
preprocessing
data,
DEEP
allows
users
calculate
Phase
Locking
Values
(PLVs)
cross-frequency
PLVs
as
indices
inter-brain
phase
dyads
well
time-frequency
responses
EEG
power
each
participant.
pipeline
also
includes
scripts
control
spurious
correlations.
Our
goal
is
contribute
open
reproducible
science
practices
by
making
publicly
available
together
with
an
example
mother-infant
dataset.