Preserved
communication
abilities
promote
healthy
ageing.
To
this
end,
the
age-typical
loss
of
sensory
acuity
might
in
part
be
compensated
for
by
an
individual’s
preserved
attentional
neural
filtering.
Is
such
a
compensatory
brain–behaviour
link
longitudinally
stable?
Can
it
predict
individual
change
listening
behaviour?
We
here
show
that
behaviour
and
filtering
ability
follow
largely
independent
developmental
trajectories
modelling
electroencephalographic
behavioural
data
N
=
105
ageing
individuals
(39–82
y).
First,
despite
expected
decline
hearing-threshold-derived
acuity,
listening-task
performance
proved
stable
over
2
y.
Second,
were
correlated
only
within
each
separate
measurement
timepoint
(T1,
T2).
Longitudinally,
however,
our
results
raise
caution
on
attention-guided
metrics
as
predictors
behaviour:
neither
at
T1
nor
its
2-year
could
change,
under
combination
strategies.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Апрель 18, 2023
Abstract
Observing
lip
movements
of
a
speaker
is
known
to
facilitate
speech
understanding,
especially
in
challenging
listening
situations.
Converging
evidence
from
neuroscientific
studies
shows
enhanced
processing
audiovisual
stimuli.
However,
the
interindividual
variability
this
visual
benefit
and
its
consequences
on
behavior
are
unknown.
Here,
we
analyzed
source-localized
magnetoencephalographic
(MEG)
responses
normal-hearing
participants
with
or
without
an
additional
distractor
speaker.
Using
temporal
response
functions
(TRFs),
show
that
neural
are,
general,
when
challenging.
After
conducting
crucial
control
for
acoustics,
effectively
contribute
higher
tracking,
particularly
present.
extent
varied
greatly
among
participants.
Probing
behavioral
relevance,
individuals
who
more
movement
information
terms
stronger
drop
performance
increase
perceived
difficulty
mouth
occluded
by
surgical
face
mask.
By
contrast,
no
effect
was
found
not
occluded.
We
provide
novel
insights
how
tracking
varies
individuals.
Furthermore,
reveal
relevance
demonstrating
negative
absent.
Our
results
also
offer
potential
implications
future
objective
assessments
perception.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Март 14, 2024
Abstract
The
use
of
visual
speech
is
thought
to
be
especially
important
in
situations
where
acoustics
are
unclear
and
individuals
with
hearing
impairment.
To
investigate
this
a
neural
tracking
paradigm,
we
measured
MEG
sixty-seven
mid-
old-age
during
audiovisual
(AV),
audio-only
(A),
visual-only
(V)
the
context
face
masks.
First,
could
extend
previous
findings
by
showing
that
not
only
young
normal-hearing
but
also
aging
decreasing
ability
brain
superior
neurally
acoustic
spectrogram
AV
compared
A
presentations,
multi-speaker
situations.
addition
lip
movements
further
increases
benefit.
Second,
show
lower
levels
affected
more
However,
population,
effect
seems
composite
blocked
distorted
acoustics.
Third,
confirm
findings,
benefit
varies
strongly
across
individuals.
We
general
individual
predicts
how
much
people
engage
difficult
listening
Interestingly,
was
correlated
thresholds
therefore
does
seem
widely
used
compensatory
strategy
impaired.
PLoS ONE,
Год журнала:
2024,
Номер
19(12), С. e0313854 - e0313854
Опубликована: Дек. 6, 2024
Cognitive
decline
and
hearing
loss
are
common
in
older
adults
often
co-occur
while
investigated
separately,
affecting
the
neural
processing
of
speech.
This
study
interaction
between
cognitive
decline,
loss,
contextual
cues
speech
processing.
Participants
aged
60
years
were
assessed
for
using
Montreal
Assessment
ability
a
four-frequency
pure
tone
average.
They
listened
to
in-house–designed
matrix-style
sentences
that
either
provided
supportive
context
or
random,
we
recorded
their
electroencephalography.
Neurophysiological
responses
analyzed
through
auditory
evoked
potentials
tracking
at
different
linguistic
timescales
(i.e.,
phrase,
word,
syllable
phoneme
rate)
phase-locking
values.
The
results
showed
was
associated
with
decreased
response
accuracy
recognition
task.
significantly
impacted
P2
component
potentials,
influenced
word
rates,
but
not
phrase
rates.
Contextual
enhanced
rate.
These
findings
suggest
differentially
affect
mechanisms
underlying
processing,
playing
significant
role
enhancing
rate
tracking.
emphasises
importance
considering
both
factors
when
studying
people
highlights
need
further
research
investigate
interplay
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Дек. 28, 2024
Age-related
sensory
declines
are
unavoidable
and
closely
linked
to
decreased
visual,
auditory,
cognitive
functions.
However,
the
interrelations
of
these
remain
poorly
understood.
Despite
extensive
studies
in
each
domain,
shared
age-related
characteristics
complex
may
not
consistently
manifest
direct
relationships
at
individual
level.
We
investigated
link
between
visual
auditory
perceptual
healthy
aging
their
relation
function
using
six
psychophysical
three
tasks.
Eighty
young
older
adults
participated,
revealing
a
general
decline.
Young
outperformed
all
Critically,
performance
tasks
significantly
correlated
with
adults.
This
suggests
domain-general
decline
perception,
where
vision
related
audition
within
individuals.
Additionally,
monotonically
year
by
year.
Working
memory
across
both
age
groups
modalities,
further
supporting
hypothesis
These
findings
highlight
interconnected
nature
aging,
providing
foundation
for
future
translational
research
focused
on
enhancing
abilities
promote
ultimately
improve
quality
life
Authorea (Authorea),
Год журнала:
2023,
Номер
unknown
Опубликована: Март 1, 2023
Comprehending
speech
in
noisy
situations
is
difficult
and
suffers
with
aging,
hearing
loss,
cognitive
decline.
Using
visual
cues
improves
perception
comprehension
of
noise
(SiN)
older
adults
impairment.
In
the
current
study
we
investigated
neurofunctional
correlates
(i.e.,
neural
tracking
speech)
enhancement
effect
a
naturalistic
setting
which
impairment
(N=67)
listened
to
sentences
babble
audio-only
audiovisual
conditions
performed
an
intelligibility
task,
while
EEG
was
recorded.
Behaviorally,
found
that
improved
presented
particularly
individuals
high
working
memory
capacity
benefitted.
Furthermore,
accompanied
by
increased
cortical
envelope
who
were
low
performers
condition
<
70%
correct)
leading
setting.
Further,
these
auditory-only
showed
deficient
right
auditory
topographical
cluster,
significantly
when
more
bilateral
processing
speech.
Overall,
our
results
show
have
difficulties
use
improve
performance
reflected
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Июль 28, 2023
Abstract
Neural
tracking
of
continuous,
spoken
speech
is
increasingly
used
to
examine
how
the
brain
encodes
and
considered
a
potential
clinical
biomarker,
for
example,
age-related
hearing
loss.
A
biomarker
must
be
reliable
(intra-class
correlation
[ICC]
>0.7),
but
reliability
neural-speech
unclear.
In
current
study,
younger
older
adults
(different
genders)
listened
stories
in
two
separate
sessions
while
electroencephalography
(EEG)
was
recorded
order
investigate
generalizability
neural
tracking.
larger
compared
under
clear
background
noise
conditions,
consistent
with
loss
inhibition
aged
auditory
system.
For
both
age
groups,
lower
than
responses
bursts
(ICC
>0.8),
which
we
as
benchmark
maximum
reliability.
The
moderate
∼0.5-0.75)
tended
when
presented
noise.
also
generalized
moderately
across
different
∼0.5-0.6),
appeared
greatest
audiobook-like
by
same
person.
This
indicates
that
variety
could
possibly
assessments.
Overall,
data
provide
results
critical
development
processing,
suggest
further
work
needed
increase
neural-tracking
response
meet
standards.
Significance
statement
approaches
are
research
impaired
processing.
needs
reliable,
study
shows
∼0.5-0.75),
although
more
variable
adults,
generalize
especially
Scientific Reports,
Год журнала:
2023,
Номер
13(1)
Опубликована: Дек. 19, 2023
When
individuals
listen
to
speech,
their
neural
activity
phase-locks
the
slow
temporal
rhythm,
which
is
commonly
referred
as
"neural
tracking".
The
tracking
mechanism
allows
for
detection
of
an
attended
sound
source
in
a
multi-talker
situation
by
decoding
signals
obtained
electroencephalography
(EEG),
known
auditory
attention
(AAD).
Neural
with
AAD
can
be
utilized
objective
measurement
tool
diverse
clinical
contexts,
and
it
has
potential
applied
neuro-steered
hearing
devices.
To
effectively
utilize
this
technology,
essential
enhance
accessibility
EEG
experimental
setup
analysis.
aim
study
was
develop
cost-efficient
system
validate
feasibility
conducting
task
using
offline
real-time
decoder
model
outside
soundproof
environment.
We
devised
capable
experiments
OpenBCI
Arduino
board.
Nine
participants
were
recruited
assess
performance
developed
system,
involved
presenting
competing
speech
experiment
setting
without
soundproofing.
As
result,
demonstrated
average
90%,
exhibited
78%.
present
demonstrates
implementing
cost-effective
devices
practical
NeuroImage,
Год журнала:
2023,
Номер
278, С. 120285 - 120285
Опубликована: Июль 20, 2023
Healthy
aging
is
often
associated
with
speech
comprehension
difficulties
in
everyday
life
situations
despite
a
pure-tone
hearing
threshold
the
normative
range.
Drawing
on
this
background,
we
used
multidimensional
approach
to
assess
functional
and
structural
neural
correlates
underlying
age-related
temporal
processing
while
controlling
for
acuity.
Accordingly,
combined
magnetic
resonance
imaging
electroencephalography,
collected
behavioral
data
younger
older
adults
completed
phonetic
categorization
discrimination
task
consonant-vowel
syllables
varying
along
voice-onset
time
continuum.
The
results
confirmed
singularities
which
were
reflected
shift
of
boundary
psychometric
function,
perceiving
more
syllable
characterized
by
short
as
/ta/
compared
adults.
Furthermore,
absence
any
between-group
differences
abilities,
demonstrated
longer
N100/P200
latencies
well
increased
P200
amplitudes
time.
Finally,
also
exhibited
divergent
anatomical
gray
matter
infrastructure
bilateral
auditory-related
frontal
brain
regions,
manifested
reduced
cortical
thickness
surface
area.
Notably,
but
not
adult
cohort,
area
these
two
gross
clusters
correlated
time,
suggesting
existence
critical
that
crucial
consistent
mapping
categories
dimension.
Taken
together,
our
highlight
multifaceted
dimensions
characteristics,
pave
way
toward
better
understanding
relationships
between
hearing,
age.
Cortical
tracking
of
speech
is
vital
for
segmentation
and
linked
to
intelligibility.
However,
there
no
clear
consensus
as
whether
reduced
intelligibility
leads
a
decrease
or
an
increase
in
cortical
tracking,
warranting
further
investigation
the
factors
influencing
this
relationship.
One
such
factor
listening
effort,
defined
cognitive
resources
necessary
comprehension,
reported
have
strong
negative
correlation
with
Yet,
studies
examined
relationship
between
intelligibility,
speech.
The
aim
present
study
was
thus
examine
these
quiet
distinct
adverse
conditions.
Forty-nine
normal
hearing
adults
listened
sentences
produced
casually,
presented
two
conditions:
cafeteria
noise
reverberant
Electrophysiological
responses
were
registered
electroencephalogram,
effort
estimated
subjectively
using
self-reported
scores
objectively
pupillometry.
Results
indicated
varying
impacts
conditions
on
speech,
depending
preservation
temporal
envelope.
more
distorted
envelope
condition
led
higher
reflected
subjective
scores,
increased
pupil
diameter,
stronger
delta
band.
These
findings
suggest
that
measures
addition
those
useful
interpreting
results.
Moreover,
reading
phonological
skills
participants
positively
correlated
condition,
suggesting
special
role
expert
language
processing
noisy
condition.
Implications
future
research
theories
linking
atypical
disorders
are
discussed.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Окт. 16, 2023
Abstract
The
cortical
tracking
of
stimulus
features
(such
as
the
sound
envelope)
is
a
crucial
neural
requisite
how
we
process
continuous
music.
We
here
tested
whether
beat,
typically
related
to
rhythm
processing,
modulated
by
pitch
predictability
and
other
top-down
factors.
Participants
listened
tonal
(high
predictability)
atonal
(low
music
while
undergoing
EEG,
analysed
their
acoustic
envelope.
Interestingly,
envelope
was
stronger
listening
than
music,
likely
reflecting
listeners’
violated
expectations.
Envelope
also
with
more
expertise
enjoyment.
Furthermore,
surprisal
(using
IDyOM)
show
that
expectations
for
match
those
computed
IDyOM
model,
higher
(prediction
errors)
Behaviourally,
measured
participants’
ability
tap
along
beat
sequences
in
two
experiments.
In
both
experiments,
finger-tapping
performance
better
condition,
indicating
positive
effect
on
behavioural
processing.
Cortical
predicted
tapping
did
conditions
high
low
might
impose
different
processing
regimes.
tracking,
beyond
musical
predictability,
well
Taken
together,
our
results
various
ways
which
factors
impact