Predictive processing as a systematic basis for identifying the neural correlates of consciousness
Philosophy and the Mind Sciences,
Год журнала:
2020,
Номер
1(II)
Опубликована: Дек. 30, 2020
The
search
for
the
neural
correlates
of
consciousness
is
in
need
a
systematic,
principled
foundation
that
can
endow
putative
with
greater
predictive
and
explanatory
value.
Here,
we
propose
processing
framework
brain
function
as
promising
candidate
providing
this
systematic
foundation.
proposal
motivated
by
framework’s
ability
to
address
three
general
challenges
identifying
consciousness,
satisfy
two
constraints
common
many
theories
consciousness.
Implementing
through
lens
delivers
strong
potential
value
detailed,
mappings
between
substrates
phenomenological
structure.
We
conclude
framework,
precisely
because
it
at
outset
not
itself
theory
has
significant
advancing
neuroscience
Язык: Английский
From non-conscious processing to conscious events: a minimalist approach
Neuroscience of Consciousness,
Год журнала:
2021,
Номер
2021(2)
Опубликована: Май 1, 2021
Abstract
The
minimalist
approach
that
we
develop
here
is
a
framework
allows
to
appreciate
how
non-conscious
processing
and
conscious
contents
shape
human
cognition,
broadly
defined.
It
composed
of
three
simple
principles.
First,
cognitive
processes
are
inherently
non-conscious,
while
their
inputs
(interim)
outputs
may
be
consciously
experienced.
Second,
elements
the
architecture
prioritize
information
for
experiences.
Third,
events
series
processes,
with
increased
duration
leading
more
opportunity
processing.
narrowness
experiences
conceptualized
as
solution
problem
channeling
plethora
into
action
communication
largely
serial.
highlights
importance
prioritization
consciousness,
provide
an
illustrative
review
main
factors
prioritization—stimulus
strength,
motivational
relevance
mental
accessibility.
We
further
discuss
when
this
(i)
compatible
previous
theories,
(ii)
enables
new
understandings
established
findings
models,
(iii)
generates
predictions
understandings.
Язык: Английский
Feedback information sharing in the human brain reflects bistable perception in the absence of report
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2021,
Номер
unknown
Опубликована: Ноя. 4, 2021
Abstract
In
the
search
for
neural
basis
of
conscious
experience,
perception
and
cognitive
processes
associated
with
reporting
are
typically
confounded
as
activity
is
recorded
while
participants
explicitly
report
what
they
experience.
Here
we
present
a
novel
way
to
disentangle
from
using
eye-movement
analysis
techniques
based
on
convolutional
networks
neurodynamical
analyses
information
theory.
We
use
bistable
visual
stimulus
that
instantiates
two
well-known
properties
perception:
integration
differentiation.
At
any
given
moment,
observers
either
perceive
one
integrated
unitary
object
or
differentiated
objects
clearly
distinct
each
other.
Using
electroen-cephalography,
show
measures
differentiation
theory
closely
follow
participants’
perceptual
experience
those
contents
when
switches
were
reported.
observed
increased
between
anterior
posterior
electrodes
(front
back)
prior
switch
percept,
higher
signals
leading
up
percept.
Crucially,
was
linked
even
in
no-report
condition
transitions
inferred
eye
movements
alone.
contrast,
link
solely
active
condition.
Our
results,
therefore,
suggest
require
amounts
anterior-posterior
network
communication
While
front-to-back
directed
changes
content
viewing
stimuli,
regardless
report,
frontal
absent
therefore
not
directly
per
se
.
Язык: Английский
Non-stimulated regions in early visual cortex encode the contents of conscious visual perception
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2020,
Номер
unknown
Опубликована: Ноя. 15, 2020
Abstract
Predictions
shape
our
perception.
The
theory
of
predictive
processing
poses
that
brains
make
sense
incoming
sensory
input
by
generating
predictions,
which
are
sent
back
from
higher
to
lower
levels
the
hierarchy.
These
predictions
based
on
internal
model
world
and
enable
inferences
about
hidden
causes
data.
It
has
been
proposed
conscious
perception
corresponds
currently
most
probable
world.
Accordingly,
influencing
should
be
fed
Here,
we
used
functional
magnetic
resonance
imaging
(fMRI)
multivoxel
pattern
analysis
show
non-stimulated
regions
early
visual
areas
contain
information
an
ambiguous
stimulus.
results
indicate
cortices
in
human
brain
receive
feedback
signals
reflect
current
contents
Язык: Английский