NeuroImage,
Journal Year:
2024,
Volume and Issue:
297, P. 120717 - 120717
Published: July 5, 2024
Self-initiated
sensory
action
effects
are
widely
assumed
to
lead
less
intense
perception
and
reduced
neural
responses
compared
externally
triggered
stimuli
(sensory
attenuation).
However,
it
is
unclear
if
attenuation
occurs
in
all
cases
of
action-effect
prediction.
Specifically,
when
predicted
action-effects
relevant
determine
follow-up
actions
could
be
detrimental.
We
quantified
auditory
event-related
potentials
(ERP)
electroencephalography
(EEG)
human
participants
created
two-sound
sequences
by
pressing
two
keys
on
a
keyboard
associated
with
different
pitch,
giving
rise
identity-specific
prediction
after
the
first
keypress.
The
sound
corresponded
(congruent)
or
violated
(incongruent)
pitch
was
either
for
selection
second
keypress
correctly
complete
sequence
(Relevance)
irrelevant
(Control
Movement),
there
only
one
(Baseline).
found
diminished
P2-timed
ERP
component
incongruent
congruent
trials
subsequent
action.
This
effect
due
an
reduction
sounds
at
P2
latencies
correlated
negatively
modulations
pupil
dilation.
Contrary
our
expectation,
we
did
not
observe
N1
modulation
congruency
any
condition.
Attenuation
seems
absent
effects,
while
ERPs
as
well
size
sensitive
predictability,
least
next
Incongruent
thereby
take
special
place
seem
subject
attentional
error
processing.
Journal of Neurophysiology,
Journal Year:
2023,
Volume and Issue:
130(4), P. 871 - 882
Published: Aug. 23, 2023
Touch
generated
by
our
voluntary
movements
is
attenuated
both
at
the
perceptual
and
neural
levels
compared
with
touch
of
same
intensity
delivered
to
body
another
person
or
machine.
This
somatosensory
attenuation
phenomenon
relies
on
integration
input
predictions
about
consequences
actions.
Previous
studies
have
reported
increased
in
elderly
people,
proposing
an
overreliance
sensorimotor
compensate
for
age-related
declines
perception;
however,
recent
results
challenged
this
direct
relationship.
In
a
preregistered
study,
we
used
force-discrimination
task
assess
whether
aging
increases
increase
explained
decreased
precision
individuals.
Although
94%
sample
(
Experimental Physiology,
Journal Year:
2024,
Volume and Issue:
109(10), P. 1637 - 1649
Published: Aug. 6, 2024
Fatigue
is
prevalent
amongst
people
with
long
COVID,
but
poorly
understood.
The
sensory
attenuation
framework
proposes
that
impairments
in
processing
lead
to
heightened
perception
of
effort,
driving
fatigue.
This
study
aims
investigate
the
role
somatosensory
COVID
fatigue
and
quantify
how
relates
other
prominent
symptoms
including
autonomic
dysfunction,
mood
illness
beliefs
experience
We
will
recruit
44
individuals
neither
nor
(controls).
Our
primary
objective
compare
baseline
between
controls.
Additionally,
we
explore
associations
processing,
fatigability
level
induced
by
cognitive
physical
exertion.
Due
complex
nature
fatigue,
also
state
perceived
mood,
beliefs,
nervous
system
function
interact
predict
trait
comprehensive
investigation
elucidate
impact
Journal of Comparative Physiology A,
Journal Year:
2023,
Volume and Issue:
210(2), P. 315 - 324
Published: May 2, 2023
Abstract
Within
vertebrates,
central
pattern
generators
drive
rhythmical
behaviours,
such
as
locomotion
and
ventilation.
Their
generation
is
also
influenced
by
sensory
input
various
forms
of
neuromodulation.
These
capabilities
arose
early
in
vertebrate
evolution,
preceding
the
evolution
cerebellum
jawed
vertebrates.
This
later
suggestive
subsumption
architecture
that
adds
functionality
to
a
pre-existing
network.
From
central-pattern-generator
perspective,
what
additional
might
provide?
The
suggestion
adaptive
filter
may
be
able
use
error
learning
appropriately
repurpose
output.
Examples
include
head
eye
stabilization
during
locomotion,
song
learning,
context-dependent
alternation
between
learnt
motor-control
sequences.
NeuroImage,
Journal Year:
2024,
Volume and Issue:
297, P. 120717 - 120717
Published: July 5, 2024
Self-initiated
sensory
action
effects
are
widely
assumed
to
lead
less
intense
perception
and
reduced
neural
responses
compared
externally
triggered
stimuli
(sensory
attenuation).
However,
it
is
unclear
if
attenuation
occurs
in
all
cases
of
action-effect
prediction.
Specifically,
when
predicted
action-effects
relevant
determine
follow-up
actions
could
be
detrimental.
We
quantified
auditory
event-related
potentials
(ERP)
electroencephalography
(EEG)
human
participants
created
two-sound
sequences
by
pressing
two
keys
on
a
keyboard
associated
with
different
pitch,
giving
rise
identity-specific
prediction
after
the
first
keypress.
The
sound
corresponded
(congruent)
or
violated
(incongruent)
pitch
was
either
for
selection
second
keypress
correctly
complete
sequence
(Relevance)
irrelevant
(Control
Movement),
there
only
one
(Baseline).
found
diminished
P2-timed
ERP
component
incongruent
congruent
trials
subsequent
action.
This
effect
due
an
reduction
sounds
at
P2
latencies
correlated
negatively
modulations
pupil
dilation.
Contrary
our
expectation,
we
did
not
observe
N1
modulation
congruency
any
condition.
Attenuation
seems
absent
effects,
while
ERPs
as
well
size
sensitive
predictability,
least
next
Incongruent
thereby
take
special
place
seem
subject
attentional
error
processing.