Moving rhythmically can facilitate naturalistic speech perception in a noisy environment
Proceedings of the Royal Society B Biological Sciences,
Journal Year:
2025,
Volume and Issue:
292(2044)
Published: April 1, 2025
The
motor
system
is
known
to
process
temporal
information,
and
moving
rhythmically
while
listening
a
melody
can
improve
auditory
processing.
In
three
interrelated
behavioural
experiments,
we
demonstrate
that
this
effect
translates
speech
Motor
priming
improves
the
efficiency
of
subsequent
naturalistic
speech-in-noise
processing
under
specific
conditions.
(i)
Moving
at
lexical
rate
(~1.8
Hz)
significantly
compared
other
rates,
such
as
phrasal
or
syllabic
rates.
(ii)
impact
rhythmic
not
influenced
by
whether
it
self-generated
triggered
an
beat.
(iii)
Overt
vocalization,
regardless
its
semantic
content,
also
enhances
These
findings
provide
evidence
for
functional
role
in
dynamics
speech.
Language: Английский
Behavioral Evidence for Two Modes of Attention
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 14, 2024
Abstract
Attention
modulates
sensory
gain
to
select
and
optimize
the
processing
of
behaviorally
relevant
events.
It
has
been
hypothesized
that
attention
can
operate
in
either
a
rhythmic
or
continuous
mode,
depending
on
nature
stimulation.
Despite
this
conceptual
framework,
direct
behavioral
evidence
scarce.
Our
study
explores
when
operates
mode
through
series
nine
interrelated
experiments
with
varying
stream
lengths,
stimulus
types,
attended
features,
tasks.
The
optimally
at
approximately
1.5
Hz
is
prevalent
perceptual
tasks
involving
long
(>
7
s)
auditory
streams.
results
are
supported
by
model
coupled
oscillators,
illustrating
variations
system’s
noise
level
induce
shifts
between
modes.
Finally,
absent
syllable
categorization
Overall,
provides
empirical
for
two
modes
defines
their
conditions
operation.
Language: Английский