Context-invariant beliefs are supported by dynamic reconfiguration of single unit functional connectivity in prefrontal cortex of male macaques
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: July 9, 2024
Abstract
Natural
behaviors
occur
in
closed
action-perception
loops
and
are
supported
by
dynamic
flexible
beliefs
abstracted
away
from
our
immediate
sensory
milieu.
How
this
real-world
flexibility
is
instantiated
neural
circuits
remains
unknown.
Here,
we
have
male
macaques
navigate
a
virtual
environment
primarily
leveraging
(optic
flow)
signals,
or
more
heavily
relying
on
acquired
internal
models.
We
record
single-unit
spiking
activity
simultaneously
the
dorsomedial
superior
temporal
area
(MSTd),
parietal
7a,
dorso-lateral
prefrontal
cortex
(dlPFC).
Results
show
that
while
animals
were
able
to
maintain
adaptive
task-relevant
regardless
of
context,
fine-grain
statistical
dependencies
between
neurons,
particularly
7a
dlPFC,
dynamically
remapped
with
changing
computational
demands.
In
but
not
destroying
these
abolished
area’s
ability
for
cross-context
decoding.
Lastly,
correlational
analyses
suggested
unit-to-unit
couplings
less
they
did
so
MSTd,
population
codes
behavior
impacted
loss
evidence.
conclude
functional
connectivity
neurons
stable
code
context-invariant
during
naturalistic
behavior.
Language: Английский
Context-invariant beliefs are supported by dynamic reconfiguration of single unit functional connectivity in prefrontal cortex
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: July 31, 2023
Abstract
Natural
behaviors
occur
in
closed
action-perception
loops
and
are
supported
by
dynamic
flexible
beliefs
abstracted
away
from
our
immediate
sensory
milieu.
How
this
real-world
flexibility
is
instantiated
neural
circuits
remains
unknown.
Here
we
have
macaques
navigate
a
virtual
environment
primarily
leveraging
(optic
flow)
signals,
or
more
heavily
relying
on
acquired
internal
models.
We
record
single-unit
spiking
activity
simultaneously
the
dorsomedial
superior
temporal
area
(MSTd),
parietal
7a,
dorso-lateral
prefrontal
cortex
(dlPFC).
Results
show
that
while
animals
were
able
to
maintain
adaptive
task-relevant
regardless
of
context,
fine-grain
statistical
dependencies
between
neurons,
particularly
7a
dlPFC,
dynamically
remapped
with
changing
computational
demands.
In
but
not
destroying
these
abolished
area’s
ability
for
cross-context
decoding.
Lastly,
correlation
analyses
suggested
unit-to-unit
couplings
less
they
did
so
MSTd,
population
codes
behavior
impacted
loss
evidence.
conclude
functional
connectivity
neurons
maintains
stable
code
context-invariant
during
naturalistic
loops.
Language: Английский