Rhythmic categories in horse gait kinematics
Lia Laffi,
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Félix Bigand,
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Christian Peham
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et al.
Journal of Anatomy,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 15, 2025
Abstract
Anecdotally,
horses'
gaits
sound
rhythmic.
Are
they
really?
In
this
study,
we
quantified
the
motor
rhythmicity
of
horses
across
three
different
(walk,
trot,
and
canter).
For
first
time,
adopted
quantitative
tools
from
bioacoustics
music
cognition
to
quantify
locomotor
rhythmicity.
Specifically,
tested
whether
kinematics
data
contained
rhythmic
categories;
these
occur
when
adjacent
temporal
intervals
are
categorically,
rather
than
randomly,
distributed.
We
extracted
motion
cycle
duration
(t
k
)
two
ipsilateral
hooves
13
ridden
calculated
ratios
successive
t
values.
significantly
fell
within
categories
how
close
were
small‐integer
ratios,
a
feature
also
present
in
animal
vocalizations
human
music.
found
strong
isochronous
pattern—a
1:1
ratio,
corresponding
ticking
clock—in
single
limbs
for
all
gaits.
analyzed
interlimb
coordination
hooves'
impacts
identify
differences
associated
with
biomechanical
patterns
an
pattern
trot
1:3
3:1
walk
canter.
Our
findings
step
toward
quantifying
horse
locomotion
potentially
resulting
sounds,
possible
implications
as
detect
gait
irregularities.
Overall,
show
that
valuable
tool
kinematic
analysis
can
be
used
domain.
Language: Английский
A novel approach for bird sound classification with cross correlation by denoising with complementary ensemble empirical mode decomposition using B-spline and LSTM features
Mehmet Bilal Er,
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Umut Kuran,
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Nagehan İlhan
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et al.
Applied Acoustics,
Journal Year:
2025,
Volume and Issue:
233, P. 110601 - 110601
Published: Feb. 19, 2025
Language: Английский
The human voice aligns with whole-body kinetics
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Nov. 28, 2023
Abstract
Humans
often
vocalize
while
concurrently
gesturing
with
their
hands.
Fluctuations
in
the
intensity
and
tone
of
voice
have
been
shown
to
synchronize
gestural
upper
limb
movement.
This
research
provides
direct
evidence
that
interactions
between
arm
movements
postural
muscle
activity
cause
these
voicing
fluctuations.
We
show
specific
muscles
(e.g.,
pectoralis
major,
erector
spinae),
associated
movement
anticipations,
are
especially
likely
interact
voice.
Adding
mass
increased
this
interaction.
Ground-reaction
forces
were
also
found
relate
muscles,
measurements
directly
covaried
fluctuations
during
some
conditions.
These
results
co-patterns
whole-body
kinetics,
i.e.
forces.
thereby
go
beyond
kinematic
analyses
studying
vocalization,
invoking
several
implications
for
biomechanical
modeling.
conclude
human
has
evolved
a
dynamical
interaction
motor
system.
Language: Английский