bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Июль 6, 2023
Abstract
Adaptive
motor
behavior
depends
on
the
coordinated
activity
of
multiple
neural
systems
distributed
across
brain.
While
role
sensorimotor
cortex
in
learning
has
been
well-established,
how
higher-order
brain
interact
with
to
guide
is
less
well
understood.
Using
functional
MRI,
we
examined
human
during
a
reward-based
task
where
subjects
learned
shape
their
hand
trajectories
through
reinforcement
feedback.
We
projected
patterns
cortical
and
striatal
connectivity
onto
low-dimensional
manifold
space
regions
expanded
contracted
along
learning.
During
early
learning,
found
that
several
areas
Dorsal
Attention
Network
exhibited
increased
covariance
salience/ventral
attention
network
reduced
default
mode
(DMN).
late
these
effects
reversed,
now
exhibiting
DMN
areas.
However,
posteromedial
showed
opposite
pattern
phases,
its
suggesting
coordinating
different
networks
over
time.
Our
results
establish
changes
support
identify
distinct
transitions
coupling
transmodal
when
adapting
behavior.
Journal of Cognitive Neuroscience,
Год журнала:
2024,
Номер
36(6), С. 1206 - 1220
Опубликована: Янв. 1, 2024
Given
that
informative
and
relevant
feedback
in
the
real
world
is
often
intertwined
with
distracting
irrelevant
feedback,
we
asked
how
relevancy
of
visual
impacts
implicit
sensorimotor
adaptation.
To
tackle
this
question,
presented
multiple
cursors
as
a
center-out
reaching
task
varied
relevance
these
cursors.
In
other
words,
participants
were
instructed
to
hit
target
specific
task-relevant
cursor,
while
ignoring
Experiment
1,
found
reach
aftereffects
attenuated
by
mere
presence
cursors,
compared
response
single
cursor.
The
degree
attenuation
did
not
depend
on
position
2,
examined
interaction
between
attention.
Participants
adapt
cursor/target
pair,
task-irrelevant
pair.
Critically,
jittered
location
an
uncorrelated
manner,
allowing
us
index
attention
via
well
tracked
target.
We
who
better
at
tracking
target/cursor
pair
showed
greater
aftereffects,
interestingly,
same
correlation
applied
Together,
results
highlight
novel
role
modulating
adaptation,
perhaps
giving
sources
increasing
saliency
sensory
prediction
error.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Янв. 20, 2023
Abstract
Implicit
sensorimotor
adaptation
keeps
our
movements
well-calibrated
amid
changes
in
the
body
and
environment.
We
have
recently
postulated
that
implicit
is
driven
by
a
perceptual
error:
difference
between
desired
perceived
movement
outcome.
According
to
this
re-alignment
model,
ceases
when
outcome
–
multimodal
percept
determined
prior
belief
conveying
intended
action,
motor
command,
feedback
from
proprioception
vision
aligned
with
Here,
we
examined
role
of
examining
individuals
who
lack
proprioception.
used
modified
visuomotor
rotation
task
designed
isolate
probe
throughout
experiment.
Surprisingly,
were
minimally
impacted
deafferentation,
posing
challenge
model
adaptation.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Фев. 14, 2024
Abstract
Recent
work
has
shown
the
fundamental
role
that
cognitive
strategies
play
in
visuomotor
adaptation.
While
algorithmic
strategies,
such
as
mental
rotation,
are
flexible
and
generalizable,
they
computationally
demanding.
To
avoid
this
computational
cost,
people
can
instead
rely
on
memory
retrieval
of
previously
successful
solutions.
However,
a
strategy
is
likely
subject
to
strict
stimulus-response
associations
heavily
working
memory.
In
series
five
experiments,
we
sought
estimate
constraints
terms
capacity
precision
for
This
was
accomplished
by
leveraging
different
variations
item-recognition
rotation
recall
tasks
where
associated
unique
rotations
with
specific
targets
workspace
manipulated
set
size
(i.e.,
number
rotation-target
associations).
Notably,
from
Experiment
1
4,
found
key
signatures
not
rotation.
particular,
participants
were
less
accurate
slower
larger
sizes
recent
items.
Using
Bayesian-latent
mixture
model,
decrease
performance
result
both
an
increase
guessing
behavior
precise
samples
addition
estimated
participants’
limited
2-5
items,
after
which
increasingly
dominated
performance.
Finally,
5,
showed
how
observed
across
Experiments
4
be
overcome
when
relying
long-term
retrieval.
Our
results
point
opportunity
studying
other
sources
memories
solutions
stored
(e.g.,
episodic
memories)
achieve
International Review of Sport and Exercise Psychology,
Год журнала:
2024,
Номер
unknown, С. 1 - 26
Опубликована: Ноя. 3, 2024
In
sports,
athletes
are
frequently
challenged
to
make
decisions
under
time
constraints.
The
ability
of
skilled
successful
and
seemingly
effortless
in
these
situations
is
often
referred
as
intuition.
However,
how
develop
intuition
remains
be
elucidated.
A
key
issue
highly
debated
between
proponents
opposing
theoretical
views
whether
the
development
intuitive
decision-making
benefits
from
involvement
deliberate
cognitive
processes
(explicit
vs.
implicit).
this
perspective
paper,
we
critically
assess
arguments
empirical
evidence
for
contradictory
views.
Moreover,
by
delving
into
psychological
assumptions
rooted
dual-process
theory,
elucidate
proposed
underlying
decision-making.
While
use
implicit
approaches
seems
increasingly
questioned
domain,
a
promising
recent
proposal
argues
that
formed
through
repeated
practice
deliberative
processes.
We
argue
favor
approach
present
suggestions
research
test
sport.
Finally,
illustrate
future
discuss
potential
limitations
such
an
approach.
Adaptive
motor
behavior
depends
on
the
coordinated
activity
of
multiple
neural
systems
distributed
across
brain.
While
role
sensorimotor
cortex
in
learning
has
been
well
established,
how
higher-order
brain
interact
with
to
guide
is
less
understood.
Using
functional
MRI,
we
examined
human
during
a
reward-based
task
where
subjects
learned
shape
their
hand
trajectories
through
reinforcement
feedback.
We
projected
patterns
cortical
and
striatal
connectivity
onto
low-dimensional
manifold
space
regions
expanded
contracted
along
learning.
During
early
learning,
found
that
several
areas
dorsal
attention
network
exhibited
increased
covariance
salience/ventral
reduced
default
mode
(DMN).
late
these
effects
reversed,
now
exhibiting
DMN
areas.
However,
posteromedial
showed
opposite
pattern
phases,
its
suggesting
coordinating
different
networks
over
time.
Our
results
establish
changes
support
identify
distinct
transitions
coupling
transmodal
when
adapting
behavior.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Апрель 26, 2024
Abstract
Skilled
athletes
need
powerful
movement
strategies
to
solve
tasks
effectively.
Typically,
learn
these
with
instruction-based
teaching
methods
where
coaches
offer
a
correct
solution.
Inspired
by
recent
evidence
from
decision
neuroscience,
we
asked
whether
skilled
strategy
choices
better
an
evaluation-based
training
(reinforcement
learning).
To
address
this
question,
conducted
three-day
learning
experiment
alpine
ski
racers
(n=98)
designed
improve
their
performance
on
flat
slopes
slalom
four
at
disposal
achieve
goal.
We
compared
and
of
three
groups:
reinforcement
group,
that
only
received
feedback
about
race
times
after
every
run,
supervised
(free
choice)
instructions
coach,
(target
skill)
being
coached
use
the
theoretically
optimal
for
skiing
well
flats.
found
despite
making
similar
choices,
skiers
in
showed
greater
improvements
during
sessions
than
counterparts
group
outperformed
them
subsequent
retention
test.
Surprisingly,
even
descriptively
(but
not
significantly)
those
group.
Our
findings
show
can
be
effective
improving
among
athletes,
best
ones.
Adaptive
motor
behavior
depends
on
the
coordinated
activity
of
multiple
neural
systems
distributed
across
brain.
While
role
sensorimotor
cortex
in
learning
has
been
well
established,
how
higher-order
brain
interact
with
to
guide
is
less
understood.
Using
functional
MRI,
we
examined
human
during
a
reward-based
task
where
subjects
learned
shape
their
hand
trajectories
through
reinforcement
feedback.
We
projected
patterns
cortical
and
striatal
connectivity
onto
low-dimensional
manifold
space
regions
expanded
contracted
along
learning.
During
early
learning,
found
that
several
areas
dorsal
attention
network
exhibited
increased
covariance
salience/ventral
reduced
default
mode
(DMN).
late
these
effects
reversed,
now
exhibiting
DMN
areas.
However,
posteromedial
showed
opposite
pattern
phases,
its
suggesting
coordinating
different
networks
over
time.
Our
results
establish
changes
support
identify
distinct
transitions
coupling
transmodal
when
adapting
behavior.
Journal of Neurophysiology,
Год журнала:
2024,
Номер
132(2), С. 347 - 361
Опубликована: Авг. 1, 2024
Recent
work
has
shown
the
fundamental
role
that
cognitive
strategies
play
in
visuomotor
adaptation.
Although
algorithmic
strategies,
such
as
mental
rotation,
are
flexible
and
generalizable,
they
computationally
demanding.
To
avoid
this
computational
cost,
people
can
instead
rely
on
memory
retrieval
of
previously
successful
solutions.
However,
a
strategy
is
likely
subject
to
stimulus-response
associations
heavily
working
memory.
In
series
five
experiments,
we
sought
estimate
constraints
terms
capacity
precision
for
This
was
accomplished
by
leveraging
different
variations
item-recognition
rotation
tasks
where
associated
unique
rotations
with
specific
targets
workspace
manipulated
set
size
(i.e.,
number
rotation-target
associations).
Notably,
from
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 1, 2024
Abstract
Motor
adaptation
–
the
process
of
reducing
motor
errors
through
feedback
and
practice
is
an
essential
feature
human
competence,
allowing
us
to
move
accurately
in
dynamic
novel
environments.
Adaptation
typically
results
from
sensory
feedback,
with
most
learning
driven
by
visual
proprioceptive
that
arises
movement.
In
humans,
can
also
be
symbolic
feedback.
present
study,
we
examine
how
implicit
explicit
components
are
modulated
We
conducted
three
reaching
experiments
involving
over
400
participants
compare
using
a
task
which
both
types
processes
could
operative
(Experiment
1)
or
tasks
was
expected
limited
only
(Experiments
2
3).
dominated
strategy
use,
minimal
evidence
recalibration.
Even
when
matched
terms
information
content,
rotational
mirror
reversal
perturbations
slower
response
compared
Our
suggest
abstract
indirect
nature
disrupts
strategic
reasoning
and/or
refinement,
deepening
our
understanding
type
influences
mechanisms
sensorimotor
learning.