bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 3, 2024
Abstract
Significance
The
advances
and
the
miniaturization
in
functional
Near
Infrared
Spectroscopy
(fNIRS)
instrumentation
offers
potential
to
move
classical
laboratory-based
cognitive
neuroscience
investigations
into
more
naturalistic
settings.
Wearable
mobile
fNIRS
devices
also
provide
a
novel
child-friendly
means
image
brain
activity
freely
moving
toddlers
preschoolers.
Measuring
ecologically
valid
settings
with
presents
additional
challenges,
such
as
increased
impact
of
physiological
interferences.
One
most
popular
methods
minimize
interferences
is
regress
out
short
separation
channels
from
long
(i.e.,
superficial
signal
regression
or
SSR).
Whilst
this
has
been
extensively
investigated
adults,
little
known
about
systemic
changes
on
signals
recorded
children
either
experiments.
Aim
We
aim
investigate
if
extracerebral
occur
preschoolers,
whether
SSR
can
help
these
Approach
collected
data
3-to-7
years
olds
during
conventional
computerized
static
task
dynamic
an
immersive
virtual
reality
(VR)
continuous
automatic
environment
(CAVE).
Results
Our
results
show
that
contamination
present
both
young
adults.
Importantly,
we
find
helps
improving
localization
activity,
and,
larger
extent,
VR
task.
Conclusions
Following
results,
formulate
suggestions
advance
field
developmental
neuroimaging
fNIRS,
particularly
ecological
Neurophotonics,
Journal Year:
2024,
Volume and Issue:
11(04)
Published: Oct. 8, 2024
The
advances
and
miniaturization
in
functional
near-infrared
spectroscopy
(fNIRS)
instrumentation
offer
the
potential
to
move
classical
laboratory-based
cognitive
neuroscience
investigations
into
more
naturalistic
settings.
Wearable
mobile
fNIRS
devices
also
provide
a
novel
child-friendly
means
image
brain
activity
freely
moving
toddlers
preschoolers.
Measuring
ecologically
valid
settings
with
presents
additional
challenges,
such
as
increased
impact
of
physiological
interferences.
One
most
popular
methods
for
minimizing
interferences
is
regress
out
short
separation
channels
from
long
[i.e.,
superficial
signal
regression
(SSR)].
Although
this
has
been
extensively
investigated
adults,
little
known
about
systemic
changes
on
signals
recorded
children
either
or
experiments.
Medical Physics,
Journal Year:
2024,
Volume and Issue:
52(2), P. 1045 - 1057
Published: Nov. 4, 2024
Diffuse
optical
tomography
(DOT)
provides
three-dimensional
image
reconstruction
of
chromophore
perturbations
within
a
turbid
volume.
Two
leading
strategies
to
optimize
DOT
quality
include,
(i)
arrays
regular,
interlacing,
high-density
(HD)
grids
sources
and
detectors
with
closest
spacing
less
than
15
mm,
or
(ii)
source
modulated
light
order
∼100
MHz.
However,
the
general
principles
for
how
these
crucial
design
parameters
array
density
modulation
frequency
may
interact
provide
an
optimal
system
have
yet
be
elucidated.
Herein,
we
systematically
evaluated
effect
via
multiple
key
metrics.
Specifically,
simulated
32
designs
realistic
measurement
noise
quantified
localization
error,
spatial
resolution,
signal-to-noise,
depth
field
each
∼85
000
point
spread
functions
in
model.
We
found
that
had
far
stronger
on
metrics
frequency.
Additionally,
model
fits
revealed
potential
improvements
diminish
regular
denser
9
mm
spacing.
Further,
given
density,
300
MHz
provided
deepest
reliable
imaging
compared
other
frequencies.
Our
results
indicate
both
affect
sampling
tissue,
which
asymptotically
saturates
due
photon
diffusivity
In
summary,
our
comprehensive
perspectives
optimizing
future
applications
from
wearable
functional
brain
breast
tumor
detection.
The
current
review
provides
an
overview
of
various
techniques
for
manipulating
interpersonal
neural
synchrony.
It
presents
a
'second-person'
neuroscience
approach
as
potential
clinical
tool
treating
certain
mental
disorders
characterized
by
social
interaction
challenges,
including
Autism
Spectrum
Disorder,
Attachment
and
Social
Anxiety
Disorder.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 3, 2024
Abstract
Significance
The
advances
and
the
miniaturization
in
functional
Near
Infrared
Spectroscopy
(fNIRS)
instrumentation
offers
potential
to
move
classical
laboratory-based
cognitive
neuroscience
investigations
into
more
naturalistic
settings.
Wearable
mobile
fNIRS
devices
also
provide
a
novel
child-friendly
means
image
brain
activity
freely
moving
toddlers
preschoolers.
Measuring
ecologically
valid
settings
with
presents
additional
challenges,
such
as
increased
impact
of
physiological
interferences.
One
most
popular
methods
minimize
interferences
is
regress
out
short
separation
channels
from
long
(i.e.,
superficial
signal
regression
or
SSR).
Whilst
this
has
been
extensively
investigated
adults,
little
known
about
systemic
changes
on
signals
recorded
children
either
experiments.
Aim
We
aim
investigate
if
extracerebral
occur
preschoolers,
whether
SSR
can
help
these
Approach
collected
data
3-to-7
years
olds
during
conventional
computerized
static
task
dynamic
an
immersive
virtual
reality
(VR)
continuous
automatic
environment
(CAVE).
Results
Our
results
show
that
contamination
present
both
young
adults.
Importantly,
we
find
helps
improving
localization
activity,
and,
larger
extent,
VR
task.
Conclusions
Following
results,
formulate
suggestions
advance
field
developmental
neuroimaging
fNIRS,
particularly
ecological
