ABSTRACT
Handling
motor
noise
is
fundamental
to
successful
sensorimotor
behavior,
especially
in
high-risk
situations.
Research
using
finger-pointing
tasks
shows
that
humans
account
for
and
costs
of
potential
outcomes
movement
planning.
However,
does
this
mechanism
generalize
more
complex
tasks?
Here,
we
investigate
behavior
under
risk
throwing
across
three
experiments
with
20
participants
each.
Their
task
was
throw
balls
at
a
target
circle,
partially
overlapped
by
penalty
circle.
This
challenged
find
strategies
trade
off
penalties
rewards.
In
the
experiments,
magnitude
distance
between
circles
were
manipulated.
We
measured
location
their
final
gaze
fixation
before
movement—as
an
indicator
planned
aiming
point—and
ball’s
impact
location.
Without
penalty,
both
centered
on
target.
condition,
participants’
fixations
shifted
away
from
larger
shifts
higher
smaller
distances.
Interestingly,
locations
not
only
(“more
conservative”)
but
also
closer
statistically
optimal
(expected
gain-maximizing)
compared
fixated
aim
points.
Movement
trajectory
analyses
show
that,
conditions,
zone
increased
until
phases
movement.
These
results
suggest
evaluation
completed
pre-movement
planning
phase
further
optimized
during
execution.
NEW
&
NOTEWORTHY
extend
study
simple
movements
(Trommershäuser
et
al.,
2008)
virtual
reality.
Our
confined
cognitive
action,
system
continuously
biasing
competing
action
options
toward
regions
expected
Current Opinion in Neurobiology,
Год журнала:
2024,
Номер
88, С. 102913 - 102913
Опубликована: Авг. 29, 2024
The
primate
brain
has
evolved
specialized
visual
capacities
to
navigate
complex
physical
and
social
environments.
Researchers
studying
cortical
circuits
underlying
these
have
traditionally
favored
the
use
of
simplified
tasks
brief
stimulus
presentations
in
order
isolate
cognitive
variables
with
tight
experimental
control.
As
a
result,
operational
theories
about
function
come
emphasize
feature
detection,
hierarchical
encoding,
top-down
task
modulation,
functional
segregation
distinct
areas.
Recently,
however,
paradigms
combining
natural
behavior
electrophysiological
recordings
begun
offer
distinctly
different
portrait
how
takes
analyzes
its
surroundings.
present
article
reviews
recent
work
this
area,
highlighting
some
more
surprising
findings
domains
vision
spatial
navigation
along
shifts
thinking
that
emanate
from
approach.
European Journal of Neuroscience,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 4, 2024
The
33rd
Annual
Meeting
of
the
Society
for
Neural
Control
Movement
(NCM)
brought
together
over
500
experts
to
discuss
recent
advancements
in
motor
control.
This
article
highlights
key
topics
from
conference,
including
foundational
mechanisms
control,
ongoing
debate
context-dependency
feedforward
and
feedback
processes,
interplay
between
cognitive
functions
learning,
memory,
decision-making.
It
also
presents
innovative
methods
studying
movement
complex,
real-world
environments.
ABSTRACT
The
overarching
goal
of
neurobiology
is
to
understand
how
complex
behaviors
are
generated
by
the
nervous
system.
behavior
each
species,
and
brain
that
controls
it,
shaped
historical
current
state
environment
they
inhabit.
This
fact
juxtaposed
with
reductionist
approach
neuroscience
isolates
animals
from
their
natural
environment.
Understanding
brains
evolved
orchestrate
myriads
an
animal
performs
in
response
its
requires
integrative
considers
ecology,
ethology,
evolution.
Current
technological
developments
leading
us
inflection
point
at
which
studying
functions
wild
now
possible.
Ecological
studies
on
affects
(i.e.,
hibernation,
foraging,
food
hoarding,
nest
building)
have
framed
a
plurality
questions
be
answered
mechanistically,
yet,
only
few
addressed
relationship
between
brain's
anatomy
physiology.
Neuroscience
needs
new
models
allow
tackle
such
wild.
Here,
we
propose
model
for
neuroscience,
agouti
(
Dasyprocta
spp.),
large
rodent
playing
critical
seasonal
role
maintenance
central
south
American
rainforest
ecosystems.
We
focus
model,
like
agouti,
will
investigation
large‐scale
dynamics
during
ecological
importance:
scatter‐hoarding
retrieval.
describe
evolution,
physiology
as
well
neuro‐anatomical
neurophysiological
studies,
set
foundation
future
natura.
suggest
agoutis
potential
groundbreaking
neuroscience.
ABSTRACT
Handling
motor
noise
is
fundamental
to
successful
sensorimotor
behavior,
especially
in
high-risk
situations.
Research
using
finger-pointing
tasks
shows
that
humans
account
for
and
costs
of
potential
outcomes
movement
planning.
However,
does
this
mechanism
generalize
more
complex
tasks?
Here,
we
investigate
behavior
under
risk
throwing
across
three
experiments
with
20
participants
each.
Their
task
was
throw
balls
at
a
target
circle,
partially
overlapped
by
penalty
circle.
This
challenged
find
strategies
trade
off
penalties
rewards.
In
the
experiments,
magnitude
distance
between
circles
were
manipulated.
We
measured
location
their
final
gaze
fixation
before
movement—as
an
indicator
planned
aiming
point—and
ball’s
impact
location.
Without
penalty,
both
centered
on
target.
condition,
participants’
fixations
shifted
away
from
larger
shifts
higher
smaller
distances.
Interestingly,
locations
not
only
(“more
conservative”)
but
also
closer
statistically
optimal
(expected
gain-maximizing)
compared
fixated
aim
points.
Movement
trajectory
analyses
show
that,
conditions,
zone
increased
until
phases
movement.
These
results
suggest
evaluation
completed
pre-movement
planning
phase
further
optimized
during
execution.
NEW
&
NOTEWORTHY
extend
study
simple
movements
(Trommershäuser
et
al.,
2008)
virtual
reality.
Our
confined
cognitive
action,
system
continuously
biasing
competing
action
options
toward
regions
expected
