EBioMedicine,
Journal Year:
2023,
Volume and Issue:
99, P. 104896 - 104896
Published: Dec. 1, 2023
Sensory
impairment
has
been
related
to
age-associated
cognitive
decline.
While
these
associations
were
investigated
primarily
in
the
auditory
and
visual
domain,
other
senses
such
as
touch
have
rarely
studied.
Thus,
it
remains
open
whether
results
are
specific
for
particular
sensory
domains,
or
rather
point
a
fundamental
role
of
deficits
Frontiers in Aging Neuroscience,
Journal Year:
2024,
Volume and Issue:
16
Published: Feb. 28, 2024
Sensorineural
hearing
loss
(SNHL)
is
a
category
of
that
often
leads
to
difficulty
in
understanding
speech
and
other
sounds.
Auditory
system
dysfunction,
including
deafness
auditory
trauma,
results
cognitive
deficits
via
neuroplasticity.
Cognitive
impairment
(CI)
refers
an
abnormality
the
brain’s
higher
intellectual
processes
related
learning,
memory,
thinking
judgment
can
lead
severe
learning
memory
deficits.
Studies
have
established
strong
correlation
between
SNHL
CI,
but
it
remains
unclear
how
contributes
CI.
The
purpose
this
article
describe
three
hypotheses
regarding
relationship,
mainstream
load
hypothesis,
co-morbidity
sensory
deprivation
as
well
latest
research
progress
each
hypothesis.
Brain,
Journal Year:
2024,
Volume and Issue:
147(10), P. 3395 - 3408
Published: March 8, 2024
Abstract
Hearing
difficulty
(HD)
is
a
major
health
burden
in
older
adults.
While
ageing-related
changes
the
peripheral
auditory
system
play
an
important
role,
genetic
variation
associated
with
brain
structure
and
function
could
also
be
involved
HD
predisposition.
We
analysed
large-scale
genome-wide
association
study
(GWAS;
ntotal
=
501
825,
56%
females)
GWAS
data
related
to
3935
imaging-derived
phenotypes
(IDPs)
assessed
up
33
224
individuals
(52%
using
multiple
MRI
modalities.
To
investigate
pleiotropy
function,
we
conducted
correlation,
latent
causal
variable,
Mendelian
randomization
multivariable
generalized
linear
regression
analyses.
Additionally,
performed
local
correlation
multi-trait
co-localization
analyses
identify
genomic
regions
loci
implicated
pleiotropic
mechanisms
shared
between
IDPs.
observed
widespread
of
120
IDPs
females,
89
males
171
sex-combined
analysis.
The
variable
analysis
showed
that
some
these
correlations
due
cause-effect
relationships.
For
seven
them,
effects
were
confirmed
by
approach:
vessel
volume→HD
analysis;
hippocampus
volume→HD,
cerebellum
grey
matter
primary
visual
cortex
HD→fluctuation
amplitudes
node
46
resting-state
functional
dimensionality
100
females;
global
mean
thickness→HD
HD→mean
orientation
dispersion
index
superior
corona
radiata
males.
identified
13
signal
for
rs13026575
variant
HD,
volume
SPTBN1
transcriptomic
regulation
females.
Brain
may
have
role
sex
differences
predisposition
via
possible
relationships
regulatory
mechanisms.
Alzheimer s & Dementia,
Journal Year:
2024,
Volume and Issue:
20(3), P. 2102 - 2112
Published: Jan. 18, 2024
Abstract
INTRODUCTION
Hearing
loss
(HL)
has
been
associated
with
cognitive
decline
and
dementia.
We
examined
the
temporal
association
between
prevalent
incident
HL
change.
METHODS
A
total
of
1823
participants
(24‐82
years)
from
Maastricht
Aging
Study
(MAAS)
were
assessed
at
baseline,
6
12
years,
including
pure‐tone
audiometry.
Linear‐mixed
models
used
to
test
cognition,
adjusted
for
demographics
other
dementia
risk
factors.
RESULTS
Participants
showed
a
faster
in
verbal
memory,
information
processing
speed,
executive
function
than
without
HL.
Decline
was
steady
baseline
years
HL,
but
time‐delayed
Having
hearing
aid
did
not
change
associations.
DISCUSSION
Findings
support
notion
that
is
factor
independent
Onset
preceded
onset
decline.
Highlights
loss.
Prevalent
For
loss,
years.
observed
JAMA Otolaryngology–Head & Neck Surgery,
Journal Year:
2024,
Volume and Issue:
150(5), P. 385 - 385
Published: March 21, 2024
Hearing
loss
appears
to
have
adverse
effects
on
cognition
and
increases
risk
for
cognitive
impairment.
These
associations
not
been
thoroughly
investigated
in
the
Hispanic
Latino
population,
which
faces
hearing
health
disparities.
Journal of Neurology Neurosurgery & Psychiatry,
Journal Year:
2024,
Volume and Issue:
95(9), P. 829 - 832
Published: April 3, 2024
Background
Hearing
loss
has
been
proposed
as
a
modifiable
risk
factor
for
dementia.
However,
the
relationship
between
hearing,
neurodegeneration,
and
cognitive
change,
extent
to
which
pathological
processes
such
Alzheimer’s
disease
cerebrovascular
influence
these
relationships,
is
unclear.
Methods
Data
from
287
adults
born
in
same
week
of
1946
who
underwent
baseline
pure
tone
audiometry
(mean
age=70.6
years)
two
time
point
assessment/multimodal
brain
imaging
interval
2.4
were
analysed.
impairment
at
was
defined
average
greater
than
25
decibels
best
hearing
ear.
Rates
change
whole
brain,
hippocampal
ventricle
volume
estimated
structural
MRI
using
Boundary
Shift
Integral.
Cognition
assessed
Pre-clinical
Cognitive
Composite.
Regression
models
performed
evaluate
how
associated
with
subsequent
atrophy
decline
after
adjustment
range
confounders
including
β-amyloid
deposition
white
matter
hyperintensity
volume.
Results
111
out
participants
had
impairment.
Compared
those
preserved
impaired
individuals
faster
rates
atrophy,
worse
(higher
average)
predicted
atrophy.
In
impairment,
change.
All
observed
relationships
independent
Conclusions
may
dementia
via
pathways
distinct
typically
implicated
cognitively
unimpaired
older
adults.
Journal of the American Geriatrics Society,
Journal Year:
2024,
Volume and Issue:
72(9), P. 2656 - 2666
Published: June 14, 2024
Identifying
risk
factors
associated
with
the
Motoric
Cognitive
Risk
(MCR)
syndrome
(a
pre-dementia
syndrome)
can
assist
in
developing
reduction
strategies
and
interventions
to
delay
progression
dementia.
Tailored
require
comparisons
of
high-
middle-income
countries
determine
if
same
or
different
should
be
targeted.
We
examined
MCR
seven
Health
Retirement
Studies
harmonized
measures.
Neurological
diseases
have
a
significant
impact
on
individuals,
families,
and
society.
Accurate
timely
diagnosis
is
crucial
for
effective
treatment
management.
However,
traditional
diagnostic
methods
are
often
expensive
time-consuming.
Recent
advancements
in
bioinspired
algorithms
offer
new
possibilities
the
of
neurological
diseases.
This
chapter
provides
an
overview
role
disease
diagnosis.
The
begins
with
introduction
to
algorithms,
covering
various
types
commonly
used
healthcare,
such
as
genetic
neural
networks,
ant
colony
optimization,
particle
swarm
optimization.
applications
healthcare
explored,
emphasizing
their
contributions
medical
image
analysis,
diagnosis,
personalized
medicine.
then
focuses
providing
common
current
techniques.
It
reviews
limitations,
highlighting
need
alternative
approaches.
application
discussed
detail.
Genetic
optimize
feature
selection
classification
demonstrated
through
case
studies
research
findings.
Neural
networks
explored
potential
improving
accuracy
optimization
Other
also
examined
selection,
clustering
model
Finally,
addresses
challenges
limitations
associated
use
emphasizes
further
development
this
emerging
field.
Overall,
hold
great
promise
advancing
field
offering
opportunities
accurate
efficient
Molecular Neurodegeneration,
Journal Year:
2024,
Volume and Issue:
19(1)
Published: Dec. 4, 2024
Abstract
Multisensory
decline
is
common
as
people
age,
and
aging
the
primary
risk
of
Alzheimer’s
Disease
(AD).
Recent
studies
have
begun
to
shed
light
on
possibility
that
age-related
sensory
could
accelerate
AD
pathogenesis,
or
be
a
prodromal
indicator
AD.
Sensory
impairments,
specifically
in
taste
smell,
often
emerge
before
cognitive
symptoms
AD,
indicating
their
potential
early
biomarkers.
Olfactory
dysfunction
has
been
frequently
associated
with
may
offer
valuable
insights
into
detection.
Hearing
impairment
significantly
but
its
causal
impact
progression
remains
unclear.
The
review
also
discusses
visual
tactile
deficits
including
retinal
thinning
changes
perception,
highlighting
links
disease
progression.
Focusing
molecular
mechanisms,
explores
roles
amyloid-β
(Aβ)
accumulation
tau
protein
pathology
bidirectional
relationship
In
summary,
evidence
presented
conclusively
supports
advocating
for
an
integrated
approach
understanding
decline,
enhance
detection,
implementing
preventive
strategies,
developing
therapeutic
interventions
This
underscores
significance
health
addressing
neurodegenerative
diseases,
particularly