PLoS Computational Biology,
Journal Year:
2024,
Volume and Issue:
20(3), P. e1011978 - e1011978
Published: March 22, 2024
People
often
have
to
switch
back
and
forth
between
different
environments
that
come
with
problems
volatilities.
While
volatile
require
fast
learning
(i.e.,
high
rates),
stable
call
for
lower
rates.
Previous
studies
shown
people
adapt
their
rates,
but
it
remains
unclear
whether
they
can
also
learn
about
environment-specific
instantaneously
retrieve
them
when
revisiting
environments.
Here,
using
optimality
simulations
hierarchical
Bayesian
analyses
across
three
experiments,
we
show
use
rates
switching
two
We
even
observe
a
signature
of
these
the
volatility
both
is
suddenly
same.
conclude
humans
flexibly
associate
environments,
offering
important
insights
developing
theories
meta-learning
context-specific
control.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2021,
Volume and Issue:
unknown
Published: Oct. 15, 2021
ABSTRACT
Memorization
and
generalization
are
complementary
cognitive
processes
that
jointly
promote
adaptive
behavior.
For
example,
animals
should
memorize
a
safe
route
to
water
source
generalize
features
allow
them
find
new
sources,
without
expecting
paths
exactly
resemble
previous
ones.
Memory
aids
by
allowing
the
brain
extract
general
patterns
from
specific
instances
were
spread
across
time,
such
as
when
humans
progressively
build
semantic
knowledge
episodic
memories.
This
process
depends
on
neural
mechanisms
of
systems
consolidation,
whereby
hippocampal-neocortical
interactions
gradually
construct
neocortical
memory
traces
consolidating
hippocampal
precursors.
However,
recent
data
suggest
consolidation
only
applies
subset
memories;
why
certain
memories
consolidate
more
than
others
remains
unclear.
Here
we
introduce
novel
network
formalization
highlights
an
overlooked
tension
between
transfer
generalization,
resolve
this
postulating
it
generalization.
We
specifically
show
unregulated
can
be
detrimental
in
unpredictable
environments,
whereas
optimizing
for
generates
high-fidelity,
dual-system
supporting
both
theory
generalization-optimized
produces
transfers
some
components
neocortex
leaves
dependent
hippocampus.
It
thus
provides
normative
principle
reconceptualizing
numerous
puzzling
observations
field
insight
into
how
behavior
benefits
learning
specialized
memorization
Annual Review of Vision Science,
Journal Year:
2022,
Volume and Issue:
8(1), P. 265 - 290
Published: June 21, 2022
Vision
and
learning
have
long
been
considered
to
be
two
areas
of
research
linked
only
distantly.
However,
recent
developments
in
vision
changed
the
conceptual
definition
from
a
signal-evaluating
process
goal-oriented
interpreting
process,
this
shift
binds
learning,
together
with
resulting
internal
representations,
intimately
vision.
In
review,
we
consider
various
types
(perceptual,
statistical,
rule/abstract)
associated
past
decades
argue
that
they
represent
differently
specialized
versions
fundamental
which
must
captured
its
entirety
when
applied
complex
visual
processes.
We
show
why
generalized
version
statistical
can
provide
appropriate
setup
for
such
unified
treatment
vision,
what
computational
framework
best
accommodates
kind
plausible
neural
scheme
could
feasibly
implement
framework.
Finally,
list
challenges
field
faces
fulfilling
promise
being
right
vehicle
advancing
our
understanding
entirety.
PLoS Computational Biology,
Journal Year:
2024,
Volume and Issue:
20(3), P. e1011978 - e1011978
Published: March 22, 2024
People
often
have
to
switch
back
and
forth
between
different
environments
that
come
with
problems
volatilities.
While
volatile
require
fast
learning
(i.e.,
high
rates),
stable
call
for
lower
rates.
Previous
studies
shown
people
adapt
their
rates,
but
it
remains
unclear
whether
they
can
also
learn
about
environment-specific
instantaneously
retrieve
them
when
revisiting
environments.
Here,
using
optimality
simulations
hierarchical
Bayesian
analyses
across
three
experiments,
we
show
use
rates
switching
two
We
even
observe
a
signature
of
these
the
volatility
both
is
suddenly
same.
conclude
humans
flexibly
associate
environments,
offering
important
insights
developing
theories
meta-learning
context-specific
control.