This
study
elucidates
the
neural
mechanisms
underlying
increasing
cognitive
load
while
walking,
by
employing
2
versions
of
a
response
inhibition
task.
The
‘1-back’
version
and,
more
cognitively
demanding
‘2-back’
By
using
Mobile
Brain/Body
Imaging
(MoBI)
modality,
electroencephalographic
(EEG)
activity,
three-dimensional
(3D)
gait
kinematics
and
task-related
behavioral
responses
were
collected
young
adults
performed
either
1-back
or
2-back
Interestingly,
cognitive-inhibitory
from
to
during
walking
was
not
associated
with
any
detectable
costs
in
accuracy,
speed,
consistency.
However,
difficult
task
distinct
EEG
component
changes
both
successful
inhibitions
(correct
rejections)
executions
(hits)
motor
response.
During
correct
rejections,
ERP
found
over
frontal
regions,
latencies
related
sensory
gain
control,
conflict
monitoring
working
memory
storage
processing.
hits,
left-parietal
regions
orienting
attention
subsequent
selection
execution
plan.
pattern
attenuation
walking-related
amplitude
changes,
performance,
is
thought
reflect
effortful
recalibration
processes,
mechanism
which
might
be
key
driver
performance
maintenance
face
increased
demands
walking.
Overall,
present
findings
shed
light
on
extent
neurocognitive
capacity
may
lead
better
understanding
how
factors
such
as
aging
neurological
disorders
could
impinge
this
capacity.
Electronics,
Год журнала:
2024,
Номер
13(8), С. 1453 - 1453
Опубликована: Апрель 11, 2024
Understanding
pedestrians’
cognitive
processes
in
traffic
environments
is
crucial
for
developing
strategies
to
enhance
safety
and
reduce
accidents.
This
study
assesses
the
efficacy
of
virtual
reality
(VR)
evaluating
pedestrian
behavior
simulated
road-crossing
scenarios.
It
investigates
VR’s
capability
realistically
mimic
load
experienced
real-world
settings.
examines
technical
integration
VR
with
psychophysiological
recording
capture
demand
indicators
accurately.
Utilizing
a
dedicated
application
electroencephalogram
(EEG)
measurements,
this
research
aims
elicit
significant
Event-Related
Potentials
(ERP),
like
P3
Contingent
Negative
Variation
(CNV),
associated
decision-making
processes.
The
initial
results
demonstrate
effectiveness
creating
realistic
investigating
mechanisms
balance
between
induced
immersion
discomfort.
Additionally,
tasks
involving
time-to-arrival
estimations
oddball
scenarios
elicited
anticipated
components
related
attentional
Despite
increased
discomfort
extended
exposure,
our
show
that
it
did
not
negatively
impact
workload.
These
outcomes
highlight
replicating
demands
settings
provide
evidence
understand
neurophysiological
behavioral
dynamics
vulnerable
road
users
(VRUs)
Furthermore,
these
findings
support
role
design
specific
interventions
VRUs.
Journal of Clinical Medicine,
Год журнала:
2024,
Номер
13(10), С. 2962 - 2962
Опубликована: Май 17, 2024
Background/Objectives:
Population
aging
is
rapidly
increasing,
and
the
importance
of
preventive
medicine
has
been
stressed.
Health
checkups,
diet,
exercise
are
paramount
importance.
This
study
aimed
to
evaluate
effectiveness
a
personalized
dual-task
intervention
that
combined
with
cognitive
tasks
in
improving
physical
functions
among
independently
living
older
individuals.
Methods:
Participants
aged
>65
years
who
were
mostly
independent
their
activities
daily
divided
into
two
groups.
The
group
receiving
20
min
robot-assisted
session
was
compared
traditional
functional
restoration
training.
randomized
trial
assessed
impact
this
on
30
s
chair
stand
test
score
Montreal
Cognitive
Assessment—Japanese
version
participants.
Results:
Both
scores
significantly
improved
group,
indicating
enhanced
lower-limb
function
capabilities.
Conclusions:
These
findings
suggest
integrating
can
as
an
effective
strategy
improve
overall
well-being
people,
offering
valuable
insights
for
designing
comprehensive
health
programs
tailored
demographic.
Journal of Neural Engineering,
Год журнала:
2024,
Номер
21(2), С. 026047 - 026047
Опубликована: Апрель 1, 2024
Abstract
Objective.
Dopaminergic
treatment
is
effective
for
Parkinson’s
disease
(PD).
Nevertheless,
the
conventional
assessment
mainly
focuses
on
human-administered
behavior
examination
while
underlying
functional
improvements
have
not
been
well
explored.
This
paper
aims
to
investigate
brain
variations
of
PD
patients
after
dopaminergic
therapy.
Approach.
proposed
a
dynamic
network
decomposition
method
and
discovered
hemodynamic
sub-networks
that
characterized
efficacy
in
PD.
Firstly,
clinical
walking
procedure
with
near-infrared
spectroscopy
was
developed,
activations
during
from
fifty
under
OFF
ON
states
(without
medication)
were
captured.
Then,
networks
constructed
sliding-window
analysis
phase
lag
index
integrated
time-varying
across
all
patients.
Afterwards,
an
aggregated
algorithm
formulated
based
effectiveness
optimization
spanning
topology
cross-validation
variations,
utilized
unveil
Further,
sub-network
features
characterize
flexibility
dynamics
according
temporal
switching
activation
sub-networks,
their
correlations
differential
treatment-induced
gait
alterations
analyzed.
Results.
The
results
demonstrated
exhibited
significantly
enhanced
therapy
within
related
improvement
motor
functions.
Other
correlated
trunk-related
axial
symptoms
no
significant
interactions.
Significance.
promises
quantified
objective
approach
evaluation.
Moreover,
findings
suggest
comprises
distinct
domains,
corresponding
neural
controls
are
selectively
responsive
treatment.
Neuroscience,
Год журнала:
2023,
Номер
532, С. 113 - 132
Опубликована: Сен. 27, 2023
This
study
elucidates
the
neural
mechanisms
underlying
increasing
cognitive
load
while
walking
by
employing
2
versions
of
a
response
inhibition
task,
'1-back'
version
and
more
cognitively
demanding
'2-back'
version.
By
using
Mobile
Brain/Body
Imaging
(MoBI)
modality,
electroencephalographic
(EEG)
activity,
three-dimensional
(3D)
gait
kinematics
task-related
behavioral
responses
were
collected
young
adults
(n
=
61)
performed
either
1-back
or
2-back
task.
Interestingly,
inhibitory
difficulty
from
to
during
was
not
associated
with
any
detectable
costs
in
accuracy,
speed,
consistency.
However,
difficult
task
distinct
EEG
component
changes
both
successful
inhibitions
(correct
rejections)
executions
(hits)
motor
response.
During
correct
rejections,
ERP
found
over
frontal
regions,
latencies
related
sensory
gain
control,
conflict
monitoring
working
memory
storage
processing.
hits,
left-parietal
regions
orienting
attention
subsequent
selection
execution
plan.
The
pattern
attenuation
walking-related
amplitude
changes,
performance,
is
thought
reflect
effortful
recalibration
processes,
mechanism
which
might
be
key
driver
performance
maintenance
face
increased
demands
walking.
Overall,
present
findings
shed
light
on
extent
neurocognitive
capacity
may
lead
better
understanding
how
factors
such
as
aging
neurological
disorders
could
impinge
this
capacity.
Frontiers in Psychology,
Год журнала:
2023,
Номер
14
Опубликована: Авг. 9, 2023
Demographic
change
is
leading
to
an
increasing
proportion
of
older
employees
in
the
labor
market.
At
same
time,
work
activities
are
becoming
more
and
complex
require
a
high
degree
flexibility,
adaptability,
cognitive
performance.
Cognitive
control
mechanism,
which
subject
age-related
changes
important
numerous
everyday
activities,
plays
special
role.
Executive
functions
with
its
core
updating,
shifting,
inhibition
comprises
mechanisms
that
serve
plan,
coordinate,
achieve
higher-level
goals
especially
inexperienced
conflicting
actions.
In
this
review,
influences
demonstrated
reference
real-life
selection
information
or
response
presence
competing
but
task-irrelevant
stimuli
responses
particularly
required.
These
comprise
understanding
spoken
language
under
difficult
listening
conditions,
dual-task
walking,
car
driving
critical
traffic
situations,
coping
interruptions.
Mechanisms
for
compensating
limitations
their
neurophysiological
correlates
discussed
focus
on
EEG
measures.
The
examples
illustrate
how
access
age
focusing
functional
role
ability
well-being
people.
European Journal of Neuroscience,
Год журнала:
2024,
Номер
59(11), С. 3045 - 3060
Опубликована: Апрель 4, 2024
Dual
tasks
(DTs)
combining
walking
with
a
cognitive
task
can
cause
various
levels
of
cognitive-motor
interference,
depending
on
which
brain
resources
are
recruited
in
each
case.
However,
the
activation
and
functional
connectivity
underlying
interferences
remain
to
be
elucidated.
Therefore,
this
study
investigated
neural
correlation
during
different
DT
conditions
40
healthy
young
adults
(mean
age:
27.53
years,
28
women).
The
DTs
included
subtraction
or
N-Back
tasks.
Cognitive-motor
interference
was
calculated,
were
analysed.
Portable
near-infrared
spectroscopy
utilized
monitor
haemodynamics
prefrontal
cortex
(PFC),
motor
parietal
task.
Walking
(decrease
speed
DT)
greater
than
performance
DT),
regardless
type
Brain
bilateral
PFC
for
standing
subtraction.
Furthermore,
higher
PFCs
alone,
but
only
increased
N-Back.
Coherence
between
lateral
left
significantly
2-Back
walking.
PFC,
critical
region
organizing
functions,
played
crucial
role
integrating
information
coming
from
multiple
networks
required
completing
DTs.
could
potential
target
modulation
improvement
functions
neurorehabilitation.
International Journal of Human-Computer Interaction,
Год журнала:
2023,
Номер
40(20), С. 6128 - 6135
Опубликована: Сен. 11, 2023
Technology
advancements
such
as
smart
glasses
offer
novel
opportunities
to
interact
with
technology
on-the-go.
This
study
examined
use
of
two
types
(Everysight
Raptor
and
Vuzix
m100)
for
reading
during
walking
compared
a
mobile
phone.
Fifty-two
healthy
adults
performed
single-task
dual-task
in
one
environments.
Objective
measures
included
gait
speed
variability
comprehension,
subjective
workload
usability.
Results
indicated
that
when
using
glasses,
participants
walked
slower
larger
variability,
read
less
text
had
lower
comprehension
scores
across
both
Participants
perceived
the
usable
more
demanding
than
phone,
no
differences
between
glasses.
work
provides
benchmark
negative
impact
indoors
outdoors.
Potential
implications
are
higher
risk
community
ambulation,
suggesting
need
consideration
human
attentional
capacity
designing
interfaces
future
urban
medRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Июнь 12, 2023
Abstract
Alzheimer’s
disease
(AD),
as
a
leading
cause
for
disability
and
death
in
old
age,
represents
major
burden
to
healthcare
systems
worldwide.
For
the
development
of
disease-modifying
interventions
treatments,
detection
cognitive
changes
at
earliest
stages
is
crucial.
Recent
advancements
mobile
consumer
technologies
provide
new
opportunities
collect
multi-dimensional
data
real-life
settings
identify
monitor
at-risk
individuals.
Based
on
evidence
showing
that
deficits
spatial
navigation
might
constitute
one
AD
symptoms,
we
assessed
whether
older
adults
who
report
subjective
decline
(SCD)
but
score
normally
neuropsychological
assessments
show
differences
smartphone-assisted
wayfinding
behavior
compared
with
cognitively
healthy
younger
adults.
Guided
by
application,
participants
had
find
locations
along
short
route
medical
campus
Magdeburg
university.
We
performance
measures
were
extracted
from
GPS
user
input
distinguish
between
groups.
In
particular,
number
orientation
stops
was
predictive
SCD
status
participants.
Our
suggest
changes,
associated
an
elevated
risk,
can
be
inferred
smartphone
data,
collected
during
brief
episode
everyday
behavior.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Июнь 24, 2023
ABSTRACT
The
neural
underpinnings
of
increasing
cognitive
load
during
walking,
despite
being
ubiquitous
in
everyday
life,
is
still
not
fully
understood.
This
study
elucidates
the
mechanisms
underlying
increased
while
by
employing
2
versions
a
Go/NoGo
response
inhibition
task,
namely
1-back
task
and
more
cognitively
demanding
2-back
sitting
or
walking
on
treadmill.
By
using
Mobile
Brain/Body
Imaging
(MoBI)
modality,
electroencephalographic
(EEG)
activity,
three-dimensional
(3D)
gait
kinematics
task-related
behavioral
responses
were
collected
from
34
young
adults
for
task.
Interestingly,
cognitive-inhibitory
to
was
associated
with
any
detectable
costs
accuracy,
speed,
consistency;
however,
it
came
attenuations
walking-related
EEG
amplitude
changes
both
successful
inhibitions
(correct
rejections)
executions
(hits)
‘Go’
motor
response.
During
correct
rejections,
such
detected
over
frontal
regions,
latencies
related
sensory
gain
control,
conflict
monitoring
working
memory
storage
processing.
hits,
found
left-parietal
orienting
attention
selecting
plan,
as
well
central
linked
executing
pattern
attenuation
changes,
manifested
group,
thought
reflect
effortful
recalibration
above
processes,
mechanism
which
might
be
key
driver
performance
maintenance
face
demands
walking.
Overall,
present
findings
shed
light
extent
neurocognitive
capacity
adults,
thus
revealing
employed
methodology
promising
better
understanding
how
factors
aging
neurological
disorders
could
impinge
this
capacity.