Cortical excitability and the aging brain: toward a biomarker of cognitive resilience
Frontiers in Psychology,
Journal Year:
2025,
Volume and Issue:
16
Published: Feb. 18, 2025
This
perspective
article
addresses
the
potential
use
of
cortical
excitability
(CE)
as
an
indicator
cognitive
health
in
aging
people.
Changes
CE
may
be
considered
a
sign
resilience
to
decline
old
age.
The
authors
describe
research
on
and
its
link
function
older
adults
emphasize
that
it
is
promising,
non-invasive
measure
healthy
aging.
They
also
address
current
challenges
implementation,
need
for
standardized
measurement
protocols
possible
future
avenues
research.
If
properly
considered,
could
pave
way
early
detection
facilitate
targeted
interventions
promote
resilience.
Language: Английский
Molecular mechanisms underlying the neural correlates of working memory
Xiaotao Xu,
No information about this author
Han Zhao,
No information about this author
Yu Song
No information about this author
et al.
BMC Biology,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: Oct. 21, 2024
Language: Английский
Altered spatiotemporal consistency and their genetic mechanisms in mild cognitive impairment: a combined neuroimaging and transcriptome study
Yao Zhu,
No information about this author
Anmo Wang,
No information about this author
Yuyu Zhou
No information about this author
et al.
Cerebral Cortex,
Journal Year:
2025,
Volume and Issue:
35(2)
Published: Feb. 1, 2025
The
Four-dimensional
(spatiotemporal)
Consistency
of
local
Neural
Activities
(FOCA)
metric
was
utilized
to
assess
spontaneous
whole-brain
activity.
Despite
its
application,
the
genetic
underpinnings
FOCA
alterations
in
Alzheimer's
Disease
(AD)-related
Mild
Cognitive
Impairment
(MCI)
remain
largely
unexplored.
To
elucidate
these
changes,
we
analyzed
group
differences
41
MCI
patients
and
46
controls
from
Neuroimaging
Initiative
database.
Integrating
Allen
Human
Brain
Atlas,
performed
transcriptome-neuroimaging
spatial
association
analyses
pinpoint
genes
correlating
with
MCI-related
changes.
We
observed
heightened
frontal-parietal
system
diminished
temporal
lobe
medium
cingulate
gyrus
among
patients.
These
were
spatially
linked
expression
384
genes,
which
enriched
crucial
molecular
functions,
biological
processes,
cellular
components
cerebral
cortex,
as
well
related
pathways.
specifically
expressed
brain
tissue
corticothalamic
neurons,
particularly
during
late
cortical
development.
They
also
connected
various
behavioral
domains.
Furthermore,
could
form
a
protein-protein
interaction
network,
supported
by
34
hub
genes.
Our
results
suggest
that
spatiotemporal
consistency
activity
may
stem
complex
interplay
broad
spectrum
diverse
functional
features.
Language: Английский
Effects of different long-term exercise interventions on working memory in children and adolescents: a network meta-analysis
Xuejun Guo,
No information about this author
Junyu Wang,
No information about this author
Jie Liang
No information about this author
et al.
Frontiers in Psychology,
Journal Year:
2025,
Volume and Issue:
16
Published: April 10, 2025
To
compare
the
relative
efficacy
of
different
exercise
modalities
on
working
memory
accuracy
and
reaction
time
in
healthy
children
adolescents.
A
systematic
review
network
meta-analysis
was
conducted
accordance
with
PRISMA
guidelines
(CRD420251005303).
PubMed,
Medline,
Embase,
Cochrane
Central
Register
Controlled
Trials,
Web
Science
were
searched
from
inception
to
March
1,
2025.
Randomized
controlled
trials
examining
impact
any
intervention
(e.g.,
aerobic
exercise,
dance,
high-intensity
interval
training,
sports
games,
mixed
exercise)
versus
control
and/or
eligible.
Standardized
mean
differences
(SMDs)
95%
confidence
intervals
(CIs)
calculated,
a
random-effects
model
applied
account
for
between-study
heterogeneity.
The
surface
under
cumulative
ranking
curve
(SUCRA)
used
determine
each
modality.
Thirty-three
studies
met
inclusion
criteria
accuracy,
eight
contributed
data
time.
Dance
demonstrated
highest
SUCRA
(87.8%),
significantly
superior
(SMD
=
0.67,
CI
0.13
1.21).
Aerobic
ranked
first
(93.6%),
outperforming
-0.40,
-0.69
-0.11
accuracy;
SMD
-0.82,
-1.26
-0.38
compared
exercise).
Mixed
consistently
showed
lower
rankings
both
outcomes.
Distinct
differentially
affect
components
young
populations.
appear
most
beneficial-dance
maximizes
while
optimizes
Tailoring
interventions
specific
cognitive
targets
may
enhance
development
inform
practical,
evidence-based
strategies
educational
clinical
settings.
RD420251005303.
Language: Английский
Short-term memory retrieval enhances brain functional connectivity
Frontiers in Behavioral Neuroscience,
Journal Year:
2025,
Volume and Issue:
19
Published: April 30, 2025
Introduction
Short-term
memory
poses
a
significant
challenge,
involving
complex
processes
of
image
perception,
formation,
and
execution.
However,
the
mechanisms
underlying
storage,
execution
short-term
remain
poorly
understood.
Methods
In
this
study,
41
healthy
college
students
participated
in
challenge
test
designed
to
investigate
these
processes.
Functional
near-infrared
spectroscopy
(fNIRS)
was
employed
measure
dynamic
changes
hemoglobin
concentrations
specific
cortical
regions,
while
facial
expressions
vital
signs
were
recorded
real-time
during
tests.
Results
The
results
revealed
heightened
activity
inferior
prefrontal
gyrus,
visual
association
cortex,
pre-motor
supplementary
motor
cortex.
connectivity
between
regions
significantly
enhanced
tasks,
inter-group
differences
decreased
over
time.
Participants
with
superior
exhibited
lower
levels
negative
emotional
higher
heart
rates
compared
those
weaker
performance.
These
findings
suggest
that
interconnectivity
adequate
cerebral
blood
oxygenation
play
critical
roles
enhancing
capacity.
This
has
important
implications
for
education,
as
it
highlights
strategies
cultivating
attention,
training
skills,
improving
integration
abilities.
Language: Английский