Developmental Cognitive Neuroscience,
Journal Year:
2023,
Volume and Issue:
60, P. 101218 - 101218
Published: Feb. 16, 2023
The
COVID-19
pandemic
has
made
an
unprecedented
shift
in
children's
daily
lives.
Children
are
increasingly
spending
time
with
screens
to
learn
and
connect
others.
As
the
online
environment
rapidly
substitutes
in-person
experience,
understanding
neuropsychological
trajectories
associated
screen
experiences
is
important.
Previous
findings
suggest
that
excessive
use
can
lead
children
prefer
more
immediate
rewards
over
delayed
outcomes.
We
hypothesized
increased
delays
a
child's
development
of
inhibitory
control
system
brain
(i.e.,
fronto-striatal
circuitry).
By
analyzing
data
from
8324
(9–11ys)
ABCD
Study,
we
found
who
had
showed
higher
reward
orientation
weaker
connectivity.
Importantly,
exposure
mediated
effect
sensitivity
on
two
year
period.
These
possible
negative
long-term
impacts
development.
results
further
demonstrated
influences
dorsal
striatum
connectivity,
which
suggests
habitual
seeking
behavior.
study
provides
neural
behavioral
evidence
for
impact
developing
children.
PLoS Biology,
Journal Year:
2022,
Volume and Issue:
20(12), P. e3001938 - e3001938
Published: Dec. 21, 2022
Sustained
attention
(SA)
and
working
memory
(WM)
are
critical
processes,
but
the
brain
networks
supporting
these
abilities
in
development
unknown.
We
characterized
functional
architecture
of
SA
WM
9-
to
11-year-old
children
adults.
First,
we
found
that
adult
network
predictors
generalized
predict
individual
differences
fluctuations
youth.
A
model
predicted
performance
both
across
within
children-and
captured
later
recognition
memory-but
underperformed
youth
relative
next
connections
differentially
related
compared
Results
revealed
2
configurations:
a
dominant
predicting
age
groups
secondary
architecture,
more
prominent
for
than
SA,
each
group
differently.
Thus,
connectivity
(FC)
predicts
youth,
with
differing
between
youths
adults
those
SA.
Developmental Cognitive Neuroscience,
Journal Year:
2023,
Volume and Issue:
60, P. 101231 - 101231
Published: March 15, 2023
Resting-state
functional
connectivity
(RSFC)
is
a
powerful
tool
for
characterizing
brain
changes,
but
it
has
yet
to
reliably
predict
higher-order
cognition.
This
may
be
attributed
small
effect
sizes
of
such
brain-behavior
relationships,
which
can
lead
underpowered,
variable
results
when
utilizing
typical
sample
(N∼25).
Inspired
by
techniques
in
genomics,
we
implement
the
polyneuro
risk
score
(PNRS)
framework
-
application
multivariate
RSFC
data
and
validation
an
independent
sample.
Utilizing
Adolescent
Brain
Cognitive
Development®
cohort
split
into
two
datasets,
explore
framework's
ability
capture
relationships
across
3
cognitive
scores
general
ability,
executive
function,
learning
&
memory.
The
weight
significance
each
connection
assessed
first
dataset,
PNRS
calculated
participant
second.
Results
support
as
suitable
methodology
inspect
distribution
connections
contributing
towards
behavior,
with
explained
variance
ranging
from
1.0
%
21.4
%.
For
outcomes
assessed,
reveals
globally
distributed,
rather
than
localized,
patterns
predictive
connections.
Larger
samples
are
likely
necessary
systematically
identify
specific
complex
outcomes.
could
applied
translationally
neurologically
distinct
subtypes
neurodevelopmental
disorders.
Developmental Cognitive Neuroscience,
Journal Year:
2023,
Volume and Issue:
60, P. 101218 - 101218
Published: Feb. 16, 2023
The
COVID-19
pandemic
has
made
an
unprecedented
shift
in
children's
daily
lives.
Children
are
increasingly
spending
time
with
screens
to
learn
and
connect
others.
As
the
online
environment
rapidly
substitutes
in-person
experience,
understanding
neuropsychological
trajectories
associated
screen
experiences
is
important.
Previous
findings
suggest
that
excessive
use
can
lead
children
prefer
more
immediate
rewards
over
delayed
outcomes.
We
hypothesized
increased
delays
a
child's
development
of
inhibitory
control
system
brain
(i.e.,
fronto-striatal
circuitry).
By
analyzing
data
from
8324
(9–11ys)
ABCD
Study,
we
found
who
had
showed
higher
reward
orientation
weaker
connectivity.
Importantly,
exposure
mediated
effect
sensitivity
on
two
year
period.
These
possible
negative
long-term
impacts
development.
results
further
demonstrated
influences
dorsal
striatum
connectivity,
which
suggests
habitual
seeking
behavior.
study
provides
neural
behavioral
evidence
for
impact
developing
children.