Uncertainty-modulated prediction errors in cortical microcircuits
Опубликована: Янв. 22, 2025
Understanding
the
variability
of
environment
is
essential
to
function
in
everyday
life.
The
brain
must
hence
take
uncertainty
into
account
when
updating
its
internal
model
world.
basis
for
are
prediction
errors
that
arise
from
a
difference
between
current
and
new
sensory
experiences.
Although
error
neurons
have
been
identified
layer
2/3
diverse
areas,
how
modulates
these
learning
is,
however,
unclear.
Here,
we
use
normative
approach
derive
should
modulate
postulate
represent
uncertainty-modulated
(UPE).
We
further
hypothesise
circuit
calculates
UPE
through
subtractive
divisive
inhibition
by
different
inhibitory
cell
types.
By
implementing
calculation
UPEs
microcircuit
model,
show
types
can
compute
means
variances
stimulus
distribution.
With
local
activity-dependent
plasticity
rules,
computations
be
learned
context-dependently,
allow
upcoming
stimuli
their
Finally,
mechanism
enables
an
organism
optimise
strategy
via
adaptive
rates.
Язык: Английский
Uncertainty-modulated prediction errors in cortical microcircuits
eLife,
Год журнала:
2025,
Номер
13
Опубликована: Июнь 5, 2025
Understanding
the
variability
of
environment
is
essential
to
function
in
everyday
life.
The
brain
must
hence
take
uncertainty
into
account
when
updating
its
internal
model
world.
basis
for
are
prediction
errors
that
arise
from
a
difference
between
current
and
new
sensory
experiences.
Although
error
neurons
have
been
identified
layer
2/3
diverse
areas,
how
modulates
these
learning
is,
however,
unclear.
Here,
we
use
normative
approach
derive
should
modulate
postulate
represent
uncertainty-modulated
(UPE).
We
further
hypothesise
circuit
calculates
UPE
through
subtractive
divisive
inhibition
by
different
inhibitory
cell
types.
By
implementing
calculation
UPEs
microcircuit
model,
show
types
can
compute
means
variances
stimulus
distribution.
With
local
activity-dependent
plasticity
rules,
computations
be
learned
context-dependently,
allow
upcoming
stimuli
their
Finally,
mechanism
enables
an
organism
optimise
strategy
via
adaptive
rates.
Язык: Английский
Uncertainty-modulated prediction errors in cortical microcircuits
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Май 12, 2023
Abstract
Understanding
the
variability
of
environment
is
essential
to
function
in
everyday
life.
The
brain
must
hence
take
uncertainty
into
account
when
updating
its
internal
model
world.
basis
for
are
prediction
errors
that
arise
from
a
difference
between
current
and
new
sensory
experiences.
Although
error
neurons
have
been
identified
layer
2/3
diverse
areas,
how
modulates
these
learning
is,
however,
unclear.
Here,
we
use
normative
approach
derive
should
modulate
postulate
represent
uncertainty-modulated
(UPE).
We
further
hypothesise
circuit
calculates
UPE
through
subtractive
divisive
inhibition
by
different
inhibitory
cell
types.
By
implementing
calculation
UPEs
microcircuit
model,
show
types
can
compute
means
variances
stimulus
distribution.
With
local
activity-dependent
plasticity
rules,
computations
be
learned
context-dependently,
allow
upcoming
stimuli
their
Finally,
mechanism
enables
an
organism
optimise
strategy
via
adaptive
rates.
Язык: Английский
Uncertainty-modulated prediction errors in cortical microcircuits
Опубликована: Фев. 27, 2024
Understanding
the
variability
of
environment
is
essential
to
function
in
everyday
life.
The
brain
must
hence
take
uncertainty
into
account
when
updating
its
internal
model
world.
basis
for
are
prediction
errors
that
arise
from
a
difference
between
current
and
new
sensory
experiences.
Although
error
neurons
have
been
identified
layer
2/3
diverse
areas,
how
modulates
these
learning
is,
however,
unclear.
Here,
we
use
normative
approach
derive
should
modulate
postulate
represent
uncertainty-modulated
(UPE).
We
further
hypothesise
circuit
calculates
UPE
through
subtractive
divisive
inhibition
by
different
inhibitory
cell
types.
By
implementing
calculation
UPEs
microcircuit
model,
show
types
can
compute
means
variances
stimulus
distribution.
With
local
activity-dependent
plasticity
rules,
computations
be
learned
context-dependently,
allow
upcoming
stimuli
their
Finally,
mechanism
enables
an
organism
optimise
strategy
via
adaptive
rates.
Язык: Английский
Computational models of intrinsic motivation for curiosity and creativity
Behavioral and Brain Sciences,
Год журнала:
2024,
Номер
47
Опубликована: Янв. 1, 2024
Abstract
We
link
Ivancovsky
et
al.'s
novelty-seeking
model
(NSM)
to
computational
models
of
intrinsically
motivated
behavior
and
learning.
argue
that
dissociating
different
forms
curiosity,
creativity,
memory
based
on
the
involvement
distinct
intrinsic
motivations
(e.g.,
surprise
novelty)
is
essential
empirically
test
conceptual
claims
NSM.
Язык: Английский
Neurons of Macaque Frontal Eye Field Signal Reward-Related Surprise
Journal of Neuroscience,
Год журнала:
2024,
Номер
unknown, С. e0441242024 - e0441242024
Опубликована: Авг. 6, 2024
The
frontal
eye
field
(FEF)
plays
a
well-established
role
in
the
control
of
visual
attention.
strength
an
FEF
neuron's
response
to
stimulus
presented
its
receptive
is
enhanced
if
captures
spatial
attention
by
virtue
salience.
A
can
be
rendered
salient
cognitive
factors
as
well
physical
attributes.
These
include
surprise.
aim
present
experiment
was
determine
whether
surprise-induced
salience
would
result
visual-response
FEF.
Toward
this
end,
we
monitored
neuronal
activity
two
male
monkeys
while
presenting
first
cue
predicting
with
high
probability
that
reward
delivered
at
end
trial
good
or
bad
(large
small)
and
then
announcing
size
impending
certainty.
second
usually
confirmed
but
occasionally
violated
expectation
set
up
cue.
Neurons
responded
more
strongly
when
it
than
expectation.
increase
firing
rate
accompanied
decrease
spike-count
correlation
expected
from
capture
Although
both
surprise
induced
firing,
effects
appeared
arise
distinct
mechanisms
indicated
fact
bad-surprise
signal
longer
latency
good-surprise
signals
varied
independently
across
neurons.
Язык: Английский
Uncertainty-modulated prediction errors in cortical microcircuits
Опубликована: Сен. 27, 2024
Understanding
the
variability
of
environment
is
essential
to
function
in
everyday
life.
The
brain
must
hence
take
uncertainty
into
account
when
updating
its
internal
model
world.
basis
for
are
prediction
errors
that
arise
from
a
difference
between
current
and
new
sensory
experiences.
Although
error
neurons
have
been
identified
layer
2/3
diverse
areas,
how
modulates
these
learning
is,
however,
unclear.
Here,
we
use
normative
approach
derive
should
modulate
postulate
represent
uncertainty-modulated
(UPE).
We
further
hypothesise
circuit
calculates
UPE
through
subtractive
divisive
inhibition
by
different
inhibitory
cell
types.
By
implementing
calculation
UPEs
microcircuit
model,
show
types
can
compute
means
variances
stimulus
distribution.
With
local
activity-dependent
plasticity
rules,
computations
be
learned
context-dependently,
allow
upcoming
stimuli
their
Finally,
mechanism
enables
an
organism
optimise
strategy
via
adaptive
rates.
Язык: Английский