NeuroImage Clinical,
Год журнала:
2021,
Номер
29, С. 102571 - 102571
Опубликована: Янв. 1, 2021
In
the
event
of
neural
injury,
homologous
contralateral
brain
areas
may
play
a
compensatory
role
to
avoid
or
limit
functional
loss.
However,
this
dynamic
strategy
redistribution
is
not
clearly
established,
especially
in
pathophysiological
context
diffuse
low-grade
glioma.
Our
aim
here
was
assess
extent
which
unilateral
tumor
infiltration
insula
dynamically
modulates
connectivity
contralesional
one.
Using
resting-state
MRI,
seed-to-ROI
approach
employed
52
insula-centered
glioma
patients
(n
=
30
left
and
22
right)
compared
with
19
age-matched
healthy
controls.
Unsurprisingly,
significant
decrease
inter-insular
observed
both
patient
groups.
More
importantly,
analyses
revealed
increase
insular
towards
cerebral
hemispheres,
cortical
forming
visual
sensorimotor
networks.
This
identified
when
were
performed
on
three
control
regions
for
area
impaired
by
tumor.
overall
pattern
results
indicates
that
massive
cortex
causes
redeployment
connectivity.
general
finding
suggests
undamaged
plays
compensation
usually
population,
thus
provides
compelling
support
concept
homotopic
plasticity
brain-damaged
patients.
Scientific Reports,
Год журнала:
2022,
Номер
12(1)
Опубликована: Фев. 17, 2022
Abstract
Stroke
is
one
of
the
leading
causes
mortality
and
morbidity
across
globe.
Providing
comprehensive
data
on
burden
stroke
in
Middle
East
North
Africa
(MENA)
could
be
useful
for
health
policy
makers
region.
Therefore,
this
article
reported
its
attributable
risk
factors
between
1990
2019
by
age,
sex,
type
stroke,
socio-demographic
index.
Data
point
prevalence,
death,
disability-adjusted
life-years
(DALYs),
due
to
were
retrieved
from
Global
Burden
Disease
study
21
countries
located
MENA
region
2019.
The
counts
age-standardised
rates
(per
100,000)
presented,
along
with
their
corresponding
95%
uncertainty
intervals
(UIs).
In
2019,
regional
prevalence
death
1537.5
(95%
UI:
1421.9–1659.9)
87.7
(78.2–97.6)
per
100,000,
which
represent
a
0.5%
(−
2.3
1.1)
27.8%
35.4
−
16)
decrease
since
1990,
respectively.
Moreover,
DALY
rate
was
1826.2
(1635.3–2026.2)
32.0%
39.1
23.3)
1990.
Afghanistan
[3498.2
(2508.8–4500.4)]
Lebanon
[752.9
(593.3–935.9)]
had
highest
lowest
rates,
Regionally,
total
number
cases
60–64
age
group
more
prevalent
women
all
groups.
addition,
there
general
negative
association
SDI
stoke
Also,
high
systolic
blood
pressure
[53.5%],
body
mass
index
[39.4%]
ambient
particulate
air
pollution
[27.1%]
made
three
largest
contributions
has
decreased
over
last
decades,
although
are
large
inter-country
differences.
Preventive
programs
should
implemented
focus
metabolic
factors,
especially
among
older
females
low
countries.
Neuropsychology Review,
Год журнала:
2023,
Номер
34(2), С. 363 - 401
Опубликована: Март 13, 2023
Abstract
Unilateral
Spatial
Neglect
is
a
disabling
neuropsychological
deficit.
Patients
with
spatial
neglect
fail
to
detect
and
report
events,
perform
actions
in
the
side
of
space
contralateral
hemispheric
cerebral
lesion.
assessed
by
evaluating
patients’
abilities
daily
life
activities
psychometric
tests.
Computer-based,
portable
Virtual
Reality
technologies
may
provide
more
precise
data,
be
sensitive
informative,
compared
current
paper-and-pencil
procedures.
Studies
since
2010,
which
such
have
been
used,
are
reviewed.
Forty-two
articles
meeting
inclusion
criteria
categorized
according
their
technological
approaches
(
computer-
,
graphics
tablet
or
tablet-
virtual
reality-based
assessment
other
).
The
results
promising.
However,
definite
golden
standard,
technologically
based
procedure
cannot
still
established.
Developing
tests
laborious
process,
requires
technical
user
experience
improvements
as
well
normative
increase
evidence
efficacy
for
clinical
evaluation
at
least
some
considered
this
review.
Progress in Neurobiology,
Год журнала:
2023,
Номер
230, С. 102511 - 102511
Опубликована: Июль 22, 2023
Neural
networks
are
successfully
used
to
imitate
and
model
cognitive
processes.
However,
provide
clues
about
the
neurobiological
mechanisms
enabling
human
cognition,
these
models
need
mimic
structure
function
of
real
brains.
Brain-constrained
differ
from
classic
neural
by
implementing
brain
similarities
at
different
scales,
ranging
micro-
mesoscopic
levels
neuronal
function,
local
links
circuit
interaction
large-scale
anatomical
between-area
connectivity.
This
review
shows
how
brain-constrained
can
be
applied
study
in
silico
formation
for
symbol
concept
processing
work
towards
explanations
specifically
abilities.
These
include
verbal
working
memory
learning
large
vocabularies
symbols,
semantic
binding
carried
specific
areas
cortex,
attention
focusing
modulation
driven
type,
acquisition
concrete
abstract
concepts
partly
influenced
symbols.
Neuronal
assembly
activity
is
analyzed
deliver
putative
mechanistic
correlates
higher
processes
develop
candidate
founded
established
principles.
NeuroImage,
Год журнала:
2021,
Номер
247, С. 118778 - 118778
Опубликована: Дек. 9, 2021
Theories
of
language
organization
in
the
brain
commonly
posit
that
different
regions
underlie
distinct
linguistic
mechanisms.
However,
such
theories
have
been
criticized
on
grounds
many
neuroimaging
studies
processing
find
similar
effects
across
regions.
Moreover,
condition
by
region
interaction
effects,
which
provide
strongest
evidence
functional
differentiation
between
regions,
rarely
offered
support
these
theories.
Here
we
address
this
using
lesion-symptom
mapping
three
large,
partially-overlapping
groups
aphasia
patients
with
left
hemisphere
damage
due
to
stroke
(N
=
121,
N
92,
218).
We
identified
multiple
measure
associating
posterior
middle
temporal
gyrus
syntactic
comprehension
deficits,
inferior
frontal
expressive
agrammatism,
and
angular
semantic
category
word
fluency
deficits.
Our
results
are
inconsistent
recent
hypotheses
network
undifferentiated
respect
high-level
processing.
Oxidative Medicine and Cellular Longevity,
Год журнала:
2022,
Номер
2022, С. 1 - 11
Опубликована: Июнь 15, 2022
Stroke
is
associated
with
a
high
rate
of
disability
and
mortality,
survivors
are
usually
accompanied
dysphagia,
aphasia,
motor
dysfunction,
cognitive
impairment,
depression,
other
complications.
In
the
past
decades,
many
studies
have
been
conducted
to
reveal
pathogenesis
pathological
mechanisms
stroke.
Furthermore,
treatment
methods
developed
that
contribute
elevated
survival
stroke
patients.
Early
rehabilitation
poststroke
starting
be
recognized
as
important
has
receiving
increasing
attention
in
order
further
improve
quality
life
As
an
emerging
method
rehabilitation,
music
therapy
can
help
attenuate
dysphagia
cognition
function,
alleviate
negative
moods,
accelerate
neurological
recovery
This
review
helps
summarize
recent
progress
made
using
aimed
at
providing
clinical
evidence
for
Journal of Neuroscience,
Год журнала:
2023,
Номер
43(45), С. 7489 - 7500
Опубликована: Ноя. 8, 2023
Stroke
is
one
of
the
most
common
causes
disability,
and
there
are
few
treatments
that
can
improve
recovery
after
stroke.
Therapeutic
development
has
been
hindered
because
a
lack
understanding
precisely
how
neural
circuits
affected
by
stroke,
these
change
to
mediate
recovery.
Indeed,
some
hypotheses
for
CNS
changes
recovery,
including
remapping,
redundancy,
diaschisis,
date
more
than
century
ago.
Recent
technological
advances
have
enabled
interrogation
with
ever
greater
temporal
spatial
resolution.
These
techniques
increasingly
being
applied
across
animal
models
stroke
human
survivors,
shedding
light
on
molecular,
structural,
functional
undergo
Here
we
review
studies
highlight
important
mechanisms
underlie
impairment
We
begin
summarizing
knowledge
about
in
activity
occur
peri-infarct
cortex,
specifically
considering
evidence
remapping
hypothesis
Next,
describe
importance
population
dynamics,
disruptions
dynamics
allocation
neurons
into
spared
restore
functionality.
On
global
scale,
then
discuss
effects
long-range
pathways,
interhemispheric
interactions
corticospinal
tract
transmission,
contribute
post-stroke
impairments.
Finally,
look
forward
consider
deeper
circuit
may
lead
novel
reduce
disability
Neurobiology of Aging,
Год журнала:
2023,
Номер
131, С. 88 - 105
Опубликована: Июль 25, 2023
Aging
is
associated
with
functional
activation
changes
in
domain-specific
regions
and
large-scale
brain
networks.
This
preregistered
Functional
magnetic
resonance
imaging
(fMRI)
study
investigated
these
effects
within
the
domain
of
semantic
cognition.
Participants
completed
1
nonsemantic
2
tasks.
We
found
no
age
differences
core
regions.
However,
right
inferior
frontal
gyrus
showed
difficulty-related
increases
both
groups.
suggests
that
age-related
upregulation
this
area
may
be
a
compensatory
response
to
increased
processing
demands.
At
network
level,
older
people
more
engagement
default
mode
less
executive
multiple-demand
network,
aligning
people's
greater
knowledge
reserves
declines.
In
contrast,
was
age-invariant
control
Finally,
adults
reduced
demand-related
modulation
task
but
not
These
findings
provide
new
perspective
on
neural
basis
cognition
aging,
suggesting
preserved
function
specialized
networks
help
maintain
later
life.
Cerebral Cortex,
Год журнала:
2023,
Номер
33(13), С. 8273 - 8285
Опубликована: Апрель 1, 2023
Brain
network
dynamics
not
only
endow
the
brain
with
flexible
coordination
for
various
cognitive
processes
but
also
a
huge
potential
of
neuroplasticity
development,
skill
learning,
and
after
cerebral
injury.
Diffusive
progressive
glioma
infiltration
triggers
functional
compensation,
which
is
an
outstanding
pathophysiological
model
investigation
reorganization
underlying
neuroplasticity.
In
this
study,
we
employed
dynamic
conditional
correlation
to
construct
framewise
language
networks
investigated
reorganizations
in
83
patients
left
hemispheric
gliomas
involving
(40
without
aphasia
43
aphasia).
We
found
that,
healthy
controls
(HCs)
patients,
resting
state
clustered
into
4
temporal-reoccurring
states.
Language
deficits-severity-dependent
topological
abnormalities
dFCs
were
observed.
Compared
HCs,
suboptimal
observed
those
aphasia,
while
more
severe
disruptions
aphasia.
Machine
learning-based
dFC-linguistics
prediction
analyses
showed
that
states
significantly
predicted
individual
patients'
scores.
These
findings
shed
light
on
our
understanding
metaplasticity
glioma.
Glioma-induced
under
"meta-networking"
(network
networks)
framework.
glioma,
resting-state
robustly
The
spatial
temporal
network.
eNeuro,
Год журнала:
2024,
Номер
11(5), С. ENEURO.0408 - 23.2024
Опубликована: Апрель 30, 2024
Singing-based
treatments
of
aphasia
can
improve
language
outcomes,
but
the
neural
benefits
group-based
singing
in
are
unknown.
Here,
we
set
out
to
determine
structural
neuroplasticity
changes
underpinning
singing-induced
treatment
effects
chronic
aphasia.
Twenty-eight
patients
with
at
least
mild
nonfluent
poststroke
were
randomized
into
two
groups
that
received
a
4-month
multicomponent
intervention
(singing
group)
or
standard
care
(control
group).
High-resolution
T1
images
and
multishell
diffusion-weighted
MRI
data
collected
time
points
(baseline/5
months).
Structural
gray
matter
(GM)
white
(WM)
assessed
using
network
region
interest-based
voxel-based
morphometry
(VBM)
quantitative
anisotropy-based
connectometry,
their
associations
improved
outcomes
(Western
Aphasia
Battery
Naming
Repetition)
evaluated.
Connectometry
analyses
showed
group
enhanced
WM
connectivity
left
arcuate
fasciculus
(AF)
corpus
callosum
as
well
frontal
aslant
tract
(FAT),
superior
longitudinal
fasciculus,
corticostriatal
bilaterally
compared
control
group.
Moreover,
VBM,
GM
volume
increase
inferior
cortex
(Brodmann
area
44)
The
BA44,
AF,
FAT
correlated
naming
abilities
after
intervention.
These
findings
suggest
group,
bring
about
areas
bilateral
pathways,
which
underpin
treatment-induced
improvement
speech
production.