Developmental Cognitive Neuroscience,
Journal Year:
2020,
Volume and Issue:
47, P. 100909 - 100909
Published: Dec. 25, 2020
Early
life
stress
increases
risk
for
later
psychopathology,
due
in
part
to
changes
dopaminergic
brain
systems
that
support
reward
processing
and
motivation.
Work
animals
has
shown
early
a
profound
impact
on
the
ventral
tegmental
area
(VTA),
which
provides
dopamine
regions
including
nucleus
accumbens
(NAcc),
anterior
hippocampus,
medial
prefrontal
cortex
(mPFC),
with
cascading
effects
over
course
of
development.
However,
little
is
known
about
how
exposure
shifts
developmental
trajectory
mesocorticolimbic
circuitry
humans.
In
current
study,
88
four-
nine-year-old
children
participated
resting-state
fMRI.
Parents
completed
questionnaires
their
children's
chronic
exposure,
socioeconomic
status
(SES)
adverse
childhood
experiences
(ACEs).
We
found
an
age
x
SES
interaction
VTA
connectivity,
such
from
higher
backgrounds
showed
positive
relationship
between
VTA-mPFC
connectivity.
Similarly,
we
ACEs
no
Our
findings
suggest
relates
blunted
maturation
connectivity
young
children,
may
lead
disrupted
beyond.
Developmental Cognitive Neuroscience,
Journal Year:
2017,
Volume and Issue:
27, P. 19 - 34
Published: July 26, 2017
Recent
neuroscience
models
of
adolescent
brain
development
attribute
the
morbidity
and
mortality
this
period
to
structural
functional
imbalances
between
more
fully
developed
limbic
regions
that
subserve
reward
emotion
as
opposed
those
enable
cognitive
control.
We
challenge
interpretation
by
distinguishing
risk-taking
peaks
during
adolescence
(sensation
seeking
impulsive
action)
from
risk
taking
declines
monotonically
childhood
adulthood
(impulsive
choice
other
decisions
under
known
risk).
Sensation
is
primarily
motivated
exploration
environment
ambiguous
contexts,
while
action,
which
likely
be
maladaptive,
characteristic
a
subset
youth
with
weak
control
over
motivation.
Risk
occurs
conditions
risks
reflects
increases
in
executive
function
well
aversion
based
on
gist-based
reasoning.
propose
an
alternative
Life-span
Wisdom
Model
highlights
importance
experience
gained
through
adolescence.
propose,
therefore,
recognize
adaptive
roles
cognition
play
provide
complete
helpful
picture
development.
Developmental Cognitive Neuroscience,
Journal Year:
2024,
Volume and Issue:
66, P. 101373 - 101373
Published: April 1, 2024
Adolescence
has
been
hypothesized
to
be
a
critical
period
for
the
development
of
human
association
cortex
and
higher-order
cognition.
A
defining
feature
is
shift
in
excitation:
inhibition
(E/I)
balance
neural
circuitry,
however
how
changes
E/I
may
enhance
cortical
circuit
function
support
maturational
improvements
cognitive
capacities
not
known.
Harnessing
ultra-high
field
7
T
MR
spectroscopy
EEG
large,
longitudinal
cohort
youth
(N
=
164,
ages
10–32
years
old,
347
neuroimaging
sessions),
we
delineate
biologically
specific
associations
between
age-related
excitatory
glutamate
inhibitory
GABA
neurotransmitters
EEG-derived
measures
aperiodic
activity
reflective
prefrontal
cortex.
Specifically,
find
that
developmental
increases
reflected
glutamate:GABA
are
linked
assessed
by
suppression
activity,
which
turn
facilitates
robust
working
memory.
These
findings
indicate
role
E/I-engendered
signaling
mechanisms
maturation
maintenance.
More
broadly,
this
multi-modal
imaging
study
provides
evidence
undergoes
physiological
consistent
with
plasticity
during
adolescence.
Translational Psychiatry,
Journal Year:
2017,
Volume and Issue:
7(4), P. e1081 - e1081
Published: April 4, 2017
Abstract
Adolescence
is
a
critical
period
for
brain
maturation.
Deciphering
how
disturbances
to
the
central
nervous
system
at
this
time
affect
structure,
function
and
behavioural
outputs
important
better
understand
any
long-lasting
effects.
Hippocampal
neurogenesis
occurs
during
development
continues
throughout
life.
In
adulthood,
integration
of
these
new
cells
into
hippocampus
emotional
behaviour,
cognitive
neural
plasticity.
During
adolescent
period,
maturation
heightened
levels
hippocampal
are
observed,
making
alterations
particularly
consequential.
As
stress
negatively
affects
neurogenesis,
adolescence
stressful
life,
it
investigate
impact
stressor
exposure
on
function.
may
represent
not
only
which
can
have
effects,
but
also
interventions,
such
as
exercise
diet,
could
ameliorate
stress-induced
changes
addition,
intervention
promote
life-long
that
would
aid
in
fostering
increased
This
review
addresses
both
acute
long-term
cognition
well
response
pubertal
hormones
result
differential
effects
than
observed
adulthood.
We
hypothesise
an
optimal
healthy
lifestyle
positive
protect
against
deficits.
conclude
future
research
mechanisms
underlying
susceptibility
stress,
diet
consequent
effect
provide
insight
why
be
vital
correct
conditioning
Developmental Cognitive Neuroscience,
Journal Year:
2020,
Volume and Issue:
42, P. 100753 - 100753
Published: Jan. 22, 2020
Adolescence
may
mark
a
sensitive
period
for
the
development
of
higher-order
cognition
through
enhanced
plasticity
cortical
circuits.
At
same
time,
animal
research
indicates
that
pubertal
hormones
represent
one
key
mechanism
closing
periods
in
associative
neocortex,
thereby
resulting
decreased
circuits
adolescence.
In
present
review,
we
set
out
to
solve
some
existing
ambiguity
and
examine
how
hormonal
changes
associated
with
onset
modulate
during
We
build
on
age-comparative
cognitive
training
studies
explore
potential
change
neural
resources
behavioral
repertoire
differs
across
age
groups.
review
human
brain
imaging
studies,
which
demonstrate
link
between
development,
neurochemical
mechanisms
plasticity,
hormones.
Overall,
existent
literature
play
pivotal
role
regulating
experience-dependent
However,
extent
increase
or
decrease
depend
specific
domain,
sex,
networks.
discuss
implications
future
suggest
systematical
longitudinal
assessments
together
interventions
be
fruitful
way
toward
better
understanding
adolescent
plasticity.
As
is
decreasing
developed
societies,
this
also
have
important
educational
clinical
implications,
especially
respect
effects
earlier
puberty
has
learning.
JAMA Psychiatry,
Journal Year:
2021,
Volume and Issue:
78(7), P. 753 - 753
Published: May 6, 2021
Importance
The
ENIGMA
clinical
high
risk
(CHR)
for
psychosis
initiative,
the
largest
pooled
neuroimaging
sample
of
individuals
at
CHR
to
date,
aims
discover
robust
neurobiological
markers
risk.
Objective
To
investigate
baseline
structural
differences
between
and
healthy
controls
as
well
participants
who
later
developed
a
psychotic
disorder
(CHR-PS+)
those
did
not
(CHR-PS−).
Design,
Setting,
Participants
In
this
case-control
study,
T1-weighted
magnetic
resonance
imaging
(MRI)
data
were
from
31
international
sites
participating
in
Clinical
High
Risk
Psychosis
Working
Group.
status
was
assessed
using
Comprehensive
Assessment
At-Risk
Mental
States
or
Structured
Interview
Prodromal
Syndromes.
MRI
scans
processed
harmonized
protocols
analyzed
within
mega-analysis
meta-analysis
framework
January
October
2020.
Main
Outcomes
Measures
Measures
regional
cortical
thickness
(CT),
surface
area,
subcortical
volumes
extracted
scans.
Independent
variables
group
(CHR
vs
control
group)
conversion
(CHR-PS+
CHR-PS−
group).
Results
Of
3169
included
participants,
1428
(45.1%)
female,
mean
(SD;
range)
age
21.1
(4.9;
9.5-39.9)
years.
This
study
1792
1377
controls.
Using
longitudinal
information,
253
CHR-PS+
group,
1234
305
without
follow-up
identified.
Compared
with
controls,
exhibited
widespread
lower
CT
measures
(mean
[range]
Cohend
=
−0.13
[−0.17
−0.09]),
but
area
volume.
Lower
fusiform,
superior
temporal,
paracentral
regions
associated
−0.22;
95%
CI,
−0.35
0.10).
Among
compared
showed
stronger
negative
association
left
fusiform
(F
9.8;P
<
.001;q
.001)
5.9;P
.005;q
.02).
Effect
sizes
representing
resembled
patterns
observed
studies
schizophrenia
(ρ
0.35;
0.12
0.55;P
.004)
22q11.2
microdeletion
syndrome
diagnosis
0.43;
0.20
0.61;P
.001).
Conclusions
Relevance
provides
evidence
subtle,
CHR.
pattern
measure
similar
reported
other
large-scale
investigations
psychosis.
Additionally,
subset
these
displayed
abnormal
associations.
Widespread
disruptions
coupled
associations
may
point
postnatal
brain
developmental
processes.
NeuroImage,
Journal Year:
2018,
Volume and Issue:
188, P. 43 - 58
Published: Dec. 1, 2018
Attention
Deficit
Hyperactivity
Disorder
(ADHD)
is
associated
with
poor
self-control,
underpinned
by
inferior
fronto-striatal
deficits.
We
showed
previously
that
18
ADHD
adolescents
over
11
runs
of
8.5
min
real-time
functional
magnetic
resonance
neurofeedback
the
right
frontal
cortex
(rIFC)
progressively
increased
activation
in
2
regions
rIFC
which
was
clinical
symptom
improvement.
In
this
study,
we
used
connectivity
analyses
to
investigate
whether
fMRI-Neurofeedback
resulted
dynamic
changes
underlying
neural
networks.
Whole-brain
seed-based
were
conducted
using
two
clusters
showing
as
seed
test
for
before
and
after
runs.
Furthermore,
tested
resulting
improvements
they
specific
when
compared
a
control
group
who
had
self-regulate
another
region.
positive
relative
dorsal
caudate
anterior
cingulate
negative
default
mode
network
(DMN)
such
posterior
precuneus.
correlated
correlation
findings
rIFC-Neurofeedback
group.
The
show
first
time
typically
dysfunctional
region
leads
strengthening
within
fronto-cingulo-striatal
networks
weakening
DMN
may
be