Background:
The
ability
to
respond
effectively
balance
perturbations
is
crucial
for
fall
prevention.
Subsensory
electrical
stimulation
(SES)
applied
the
skin
leads
improved
proactive
control
but
there
limited
evidence
on
SES
effect
reactive
control.Research
Questions:
To
test
efficiency
of
in
improving
against
unpredictable
support
surface
and
compare
effects
trunk
lower
legs.Methods:
Twenty-three
young
adults
stood
a
treadmill
while
recovering
from
15
forward
backward
translations
increasing
magnitude
determine
stepping
thresholds
(BSTh
FSTh).
Then,
they
recovered
three
repetitions
fixed
characteristic
compensatory
step
(i.e.,
time,
length,
delay
Margin
Stability
-
MOS).
Each
was
conducted
with
no
(NS),
leg
(LS),
or
(TS)
equal
90%
sensory
threshold.
Repeated-measures
ANOVA
Tukey
post-hoc
tests
were
used
analyze
main
interaction
repetition.Results:
LS
TS
increased
BSTh
by
31.5%
(p=0.002)
16.4%
(p=0.028),
respectively,
greater
TS;
(ii)
during
perturbations,
reduced
time
9.8%,
length
17.1%,
MOS
at
heel
strike
17.7%;
(iii)
4.5%
3.5%,
minimum
7.8%
4.5%,
respectively.Significance:
This
first
study
that
showed
how
application
improves
perturbations.
more
effective
than
may
be
an
strategy
enhance
postural
tasks,
thus
potentially
reducing
risk.
Bioengineering,
Год журнала:
2025,
Номер
12(5), С. 471 - 471
Опубликована: Апрель 29, 2025
This
study
systematically
reviews
the
role
of
cortex
in
gait
control
by
analyzing
connectivity
between
electroencephalography
(EEG)
and
electromyography
(EMG)
signals,
i.e.,
neuromuscular
(NMC)
during
walking.
We
aim
to
answer
following
questions:
(i)
Is
there
significant
NMC
a
healthy
population?
(ii)
modulated
task
specifications
(e.g.,
speed,
surface,
additional
demands)?
(iii)
altered
elderly
or
population
affected
neurologic
disorder?
Following
PRISMA
guidelines,
systematic
search
seven
scientific
databases
was
conducted
up
September
2023.
Out
1308
identified
papers,
27
studies
met
eligibility
criteria.
Despite
large
variability
methodology,
detected
most
studies.
able
discriminate
disorder.
Tasks
requiring
higher
sensorimotor
resulted
an
elevated
level
NMC.
While
holds
promise
as
metric
for
advancing
our
comprehension
brain-muscle
interactions
gait,
aligning
methodologies
across
is
imperative.
Analysis
provides
valuable
insights
understanding
neural
movement
development
retraining
programs
contributes
advancements
neurotechnology.
Brain Sciences,
Год журнала:
2023,
Номер
13(7), С. 983 - 983
Опубликована: Июнь 22, 2023
This
study
aimed
to
answer
the
questions
'What
are
neural
networks
and
mechanisms
involved
in
visual
kinesthetic
motor
imagery?',
'Is
part
of
cognitive
processing
included
during
imagery?'
by
investigating
neurophysiological
activations
imagery
using
tasks
(golf
putting).
The
experiment
was
conducted
with
19
healthy
adults.
Functional
magnetic
resonance
imaging
(fMRI)
used
examine
golf
putting
tasks.
findings
analysis
on
cerebral
activation
patterns
based
two
distinct
types
indicate
that
posterior
lobe,
occipital
limbic
lobe
exhibited
activation,
right
hemisphere
activated
process
imagery.
temporal
parietal
were
observed
revealed
elicited
stronger
frontal
whereas
resulted
greater
left
lobe.
It
seems
activates
primary
somatosensory
cortex
(BA
2),
secondary
5
7),
areas
induces
human
sensibility.
present
investigation
evinced
network
regions
brain
exhibit
variability
contingent
category
Sensors,
Год журнала:
2023,
Номер
23(5), С. 2698 - 2698
Опубликована: Март 1, 2023
Locomotor
impairment
is
a
highly
prevalent
and
significant
source
of
disability
significantly
impacts
the
quality
life
large
portion
population.
Despite
decades
research
on
human
locomotion,
challenges
remain
in
simulating
movement
to
study
features
musculoskeletal
drivers
clinical
conditions.
Most
recent
efforts
utilize
reinforcement
learning
(RL)
techniques
are
promising
simulation
locomotion
reveal
drives.
However,
these
simulations
often
fail
mimic
natural
because
most
strategies
have
yet
consider
any
reference
data
regarding
movement.
To
address
challenges,
this
study,
we
designed
reward
function
based
trajectory
optimization
rewards
(TOR)
bio-inspired
rewards,
which
includes
obtained
from
motion
captured
by
single
Inertial
Moment
Unit
(IMU)
sensor.
The
sensor
was
equipped
participants’
pelvis
capture
data.
We
also
adapted
leveraging
previous
walking
for
TOR.
experimental
results
showed
that
simulated
agents
with
modified
performed
better
mimicking
collected
IMU
participants,
means
more
realistic.
As
defined
cost,
enhanced
agent’s
capacity
converge
during
training
process.
result,
models’
convergence
faster
than
those
developed
without
Consequently,
can
be
quickly
broader
range
environments,
performance.
Sensors,
Год журнала:
2024,
Номер
24(9), С. 2817 - 2817
Опубликована: Апрель 28, 2024
The
transition
to
Industry
4.0
and
5.0
underscores
the
need
for
integrating
humans
into
manufacturing
processes,
shifting
focus
towards
customization
personalization
rather
than
traditional
mass
production.
However,
human
performance
during
task
execution
may
vary.
To
ensure
high
human–robot
teaming
(HRT)
performance,
it
is
crucial
predict
without
negatively
affecting
execution.
Therefore,
indirectly,
significant
factors
such
as
engagement
load
(i.e.,
amount
of
cognitive,
physical,
and/or
sensory
resources
required
perform
a
particular
task),
must
be
considered.
Hence,
we
propose
framework
maximize
HRT
performance.
For
prediction
development
phase,
our
methodology
employs
features
extracted
from
physiological
data
inputs.
labels
these
predictions—categorized
accurate
or
inaccurate
due
high/low
load—are
meticulously
crafted
using
combination
NASA
TLX
questionnaire,
records
in
quality
control
tasks,
application
Q-Learning
derive
task-specific
weights
indices.
This
structured
approach
enables
deployment
model
exclusively
rely
on
predicting
thereby
achieving
an
accuracy
rate
95.45%
forecasting
maintain
optimized
this
study
further
introduces
method
dynamically
adjusting
robot’s
speed
case
low
strategic
adjustment
designed
effectively
balance
load,
enhancing
efficiency
collaboration.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Фев. 29, 2024
Objective:
This
study
systematically
reviews
the
role
of
cortex
in
gait
control
by
analyzing
connectivity
between
electroencephalography
(EEG)
and
electromyography
(EMG)
signals,
i.e.
neuromuscular
(NMC)
during
walking.
We
aim
to
answer
following
questions:
(i)
Is
there
significant
NMC
a
healthy
population?
(ii)
modulated
task
specifications
(e.g.
speed,
surface,
additional
demands)?
(iii)
altered
elderly
or
population
affected
neurologic
disorder?
Methods:
Following
PRISMA
guidelines,
systematic
search
seven
scientific
databases
was
conducted
until
September
2023.
Results:
Out
1308
identified
papers,
27
studies
met
eligibility
criteria.
Despite
large
variability
methodology,
detected
most
studies.
able
discriminate
disorder.
Tasks
requiring
higher
sensorimotor
resulted
an
elevated
level
NMC.
Conclusions:
While
holds
promise
as
metric
for
advancing
our
comprehension
brain-muscle
interactions
gait,
aligning
methodologies
across
is
imperative.
Significance:
Analysis
provides
valuable
insights
understanding
neural
movement,
development
retraining
programs
contributes
advancements
neurotechnology.
Frontiers in Public Health,
Год журнала:
2023,
Номер
11
Опубликована: Окт. 25, 2023
Effective
hazard
recognition
and
decision-making
are
crucial
factors
in
ensuring
workplace
safety
the
construction
industry.
Workers’
cognition
closely
relates
to
that
hazard-handling
behavior.
Functional
near-infrared
spectroscopy
(fNIRS)
is
a
neurotechique
tool
can
evaluate
concentration
vibration
of
oxygenated
hemoglobin
[HbO2]
deoxygenated
[
id="M2">HbR
]
reflect
process.
It
essential
monitor
workers’
brain
activity
by
fNIRS
analyze
their
cognitive
status
reveal
mechanism
process,
providing
guidance
for
capability
evaluation
management
enhancement.
This
review
offers
systematic
assessment
fNIRS,
encompassing
basic
theory,
experiment
analysis,
data
discussion.
A
literature
search
content
analysis
conducted
identify
application
research,
limitations
selected
studies,
prospects
future
research.
article
serves
as
guide
researchers
keen
on
harnessing
bolster
standards
forwards
insightful
recommendations
subsequent
studies.