Social Cognitive and Affective Neuroscience,
Journal Year:
2017,
Volume and Issue:
12(12), P. 1835 - 1844
Published: Oct. 12, 2017
People
tend
to
be
more
prosocial
after
synchronizing
behaviors
with
others,
yet
the
underlying
neural
mechanisms
are
rarely
known.
In
this
study,
participant
dyads
performed
either
a
coordination
task
or
an
independence
task,
their
brain
activations
recorded
via
functional
near-infrared
spectroscopy
hyperscanning
technique.
Participant
in
group
showed
higher
synchronized
and
greater
subsequent
inclination
help
each
other
than
those
group,
indicating
effect
of
interpersonal
synchrony.
Importantly,
demonstrated
significant
task-related
coherence,
namely
interbrain
synchronization,
at
left
middle
frontal
area.
The
detected
synchronization
was
sensitive
shared
intentionality
between
participants
correlated
mutual
inclination.
Further,
coherence
played
mediation
role
This
study
reveals
relevance
brain-to-brain
among
individuals
suggests
mechanism
associating
cognition
for
facilitation
synchrony
on
prosociality.
Cerebral Cortex,
Journal Year:
2010,
Volume and Issue:
21(2), P. 254 - 261
Published: May 23, 2010
This
study
uses
near-infrared
spectroscopy
in
young
infants
order
to
elucidate
the
nature
of
functional
cerebral
processing
for
speech.
Previous
imaging
studies
infants'
speech
perception
revealed
left-lateralized
responses
native
language.
However,
it
is
unclear
if
these
activations
were
due
language
per
se
rather
than
some
low-level
acoustic
correlate
spoken
Here
we
compare
(L1)
and
non-native
(L2)
languages
with
3
different
nonspeech
conditions
including
emotional
voices,
monkey
calls,
phase
scrambled
sounds
that
provide
more
stringent
controls.
Hemodynamic
stimuli
measured
temporal
areas
Japanese
4
month-olds.
The
results
show
clear
speech,
prominently
L1,
as
opposed
various
activation
patterns
conditions.
Furthermore,
implementing
a
new
analysis
method
designed
infants,
discovered
slower
hemodynamic
time
course
awake
infants.
Our
are
largely
explained
by
signal-driven
auditory
processing.
stronger
L1
L2
indicate
language-specific
neural
factor
modulates
responses.
first
discover
significantly
higher
sensitivity
month-olds
reveals
precursor
specialization
cognitive
network.
Social Cognitive and Affective Neuroscience,
Journal Year:
2017,
Volume and Issue:
12(12), P. 1835 - 1844
Published: Oct. 12, 2017
People
tend
to
be
more
prosocial
after
synchronizing
behaviors
with
others,
yet
the
underlying
neural
mechanisms
are
rarely
known.
In
this
study,
participant
dyads
performed
either
a
coordination
task
or
an
independence
task,
their
brain
activations
recorded
via
functional
near-infrared
spectroscopy
hyperscanning
technique.
Participant
in
group
showed
higher
synchronized
and
greater
subsequent
inclination
help
each
other
than
those
group,
indicating
effect
of
interpersonal
synchrony.
Importantly,
demonstrated
significant
task-related
coherence,
namely
interbrain
synchronization,
at
left
middle
frontal
area.
The
detected
synchronization
was
sensitive
shared
intentionality
between
participants
correlated
mutual
inclination.
Further,
coherence
played
mediation
role
This
study
reveals
relevance
brain-to-brain
among
individuals
suggests
mechanism
associating
cognition
for
facilitation
synchrony
on
prosociality.
