Frontiers in Human Neuroscience,
Год журнала:
2025,
Номер
19
Опубликована: Апрель 3, 2025
This
paper
presents
an
interpretation
of
stuttering
behavior,
based
on
the
principles
active
inference
framework.
Stuttering
is
a
neurodevelopmental
disorder
characterized
by
speech
disfluencies
such
as
repetitions,
prolongations,
and
blocks.
The
inference,
theory
predictive
processing
sentient
can
be
used
to
conceptualize
disruption
in
perception-action
cycling
underlying
production.
proposed
here
posits
that
arises
from
aberrant
sensory
precision
prediction
error
dynamics,
inhibiting
syllable
initiation.
Relevant
this
theory,
two
hypothesized
mechanisms
are
proposed:
(1)
mistiming
(2)
excessive
attentional
focus.
Both
highlight
role
neural
oscillations,
error,
hierarchical
integration
framework
also
explains
contextual
variability
behaviors,
including
adaptation
effects
fluency-inducing
conditions.
Reframing
synaptopathy
integrates
neurobiological,
psychological,
behavioral
dimensions,
suggesting
disruptions
precision-weighting
mediated
neuromodulatory
systems.
perspective
provides
unified
account
sets
stage
for
innovative
research
therapeutic
approaches.
Neuroscience & Biobehavioral Reviews,
Год журнала:
2023,
Номер
155, С. 105459 - 105459
Опубликована: Ноя. 11, 2023
Bettinger,
J.
S.,
K.
Friston.
Conceptual
Foundations
of
Physiological
Regulation
incorporating
the
Free
Energy
Principle
&
Self-Organized
Criticality.
NEUROSCI
BIOBEHAV
REV
23(x)
144-XXX,
2022.
Since
late
nineteen-nineties,
concept
homeostasis
has
been
contextualized
within
a
broader
class
"allostatic"
dynamics
characterized
by
wider-berth
causal
factors
including
social,
psychological
and
environmental
entailments;
fundamental
nature
integrated
brain-body
dynamics;
plus
role
anticipatory,
top-down
constraints
supplied
intrinsic
regulatory
models.
Many
these
evidentiary
are
integral
in
original
descriptions
homeostasis;
subsequently
integrated;
and/or
cite
more-general
operating
principles
self-organization.
As
result,
allostasis
may
be
generalized
to
larger
category
variational
systems
biology,
engineering
physics
terms
advances
complex
systems,
statistical
mechanics
involving
heterogenous
(hierarchical/heterarchical,
modular)
like
brain-networks
internal
milieu.
This
paper
offers
three-part
treatment.
1)
interpret
"allostasis"
emphasize
relational
foundation
physiological
stability;
2)
adapt
as
"stability
through
change"
include
"return
stability"
3)
reframe
model
with
conceptual
criticality
that
licenses
upgrade
dynamics.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Янв. 4, 2024
Abstract
Suggestions
about
hunger
can
generate
placebo
effects
on
experiences.
But,
the
underlying
neurocognitive
mechanisms
are
unknown.
Here,
we
show
in
255
women
that
expectancies,
induced
by
suggestion-based
interventions,
determine
sensations
and
economic
food
choices.
Functional
magnetic
resonance
imaging
a
subgroup
(
n
=
57/255)
provides
evidence
strength
of
expecting
to
decrease
moderates
medial
prefrontal
cortex
activation
at
time
choice
attenuates
ventromedial
(vmPFC)
responses
value.
Dorsolateral
linked
interference
resolution
formally
mediates
hunger.
A
drift-diffusion
model
characterizes
this
effect
showing
suggestions
bias
participants’
choices
how
much
they
weigh
tastiness
against
healthiness
food,
which
further
vmPFC–dlPFC
psychophysiological
interactions
when
participants
expect
decreased
Thus,
suggestion-induced
beliefs
shape
addressing
through
cognitive
regulation
value
computation
within
cortex.
A
fundamental
property
of
sensory
systems
is
their
ability
to
detect
novel
stimuli
in
the
ambient
environment.
The
auditory
brain
contains
neurons
that
decrease
response
repetitive
sounds
but
increase
firing
rate
or
deviant
stimuli;
difference
between
both
responses
known
as
stimulus-specific
adaptation
neuronal
mismatch
(nMM).
Here,
we
tested
effect
microiontophoretic
applications
ACh
on
cortex
(AC)
anesthetized
rats
during
an
oddball
paradigm,
including
cascade
controls.
Results
indicate
modulates
nMM,
affecting
prediction
error
not
repetition
suppression,
and
this
manifested
predominantly
infragranular
cortical
layers.
differential
standards,
relative
deviants
(in
terms
averages
variances),
was
consistent
with
representational
sharpening
accompanies
precision
errors.
These
findings
suggest
plays
important
role
modulating
signaling
AC
gating
access
these
signals
higher
cognitive
levels.
Scientific Reports,
Год журнала:
2023,
Номер
13(1)
Опубликована: Авг. 24, 2023
Despite
the
growing
deployment
of
network
representation
to
comprehend
psychological
phenomena,
question
whether
and
how
networks
can
effectively
describe
effects
interventions
remains
elusive.
Network
control
theory,
engineering
study
networked
interventions,
has
recently
emerged
as
a
viable
methodology
characterize
guide
interventions.
However,
there
is
scarcity
empirical
studies
testing
extent
which
it
be
useful
within
context.
In
this
paper,
we
investigate
representative
intervention
experiment,
use
theory
model
predict
its
effect.
Using
data,
showed
that:
(1)
observed
effect,
in
terms
sensitivity
specificity,
relates
regional
theoretic
metrics
(average
modal
controllability),
(2)
size
change
following
negatively
correlates
with
whole-network
topology
that
quantifies
"ease"
described
by
(control
energy),
(3)
responses
after
predicted
based
on
formal
results
from
theory.
These
insights
assert
significant
potential
tool
for
investigating
Drawing
specific
example
overarching
framework
further
elaborate
conceptualization
methodological
considerations,
future
directions
burgeoning
field.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 19, 2025
Abstract
How
individuals
process
and
respond
to
uncertainty
has
important
implications
for
cognition
mental
health.
Here
we
use
computational
phenotyping
examine
individualised
“uncertainty
fingerprints”
in
relation
neurometabolites
trait
anxiety
humans.
We
introduce
a
novel
categorical
state-transition
extension
of
the
Hierarchical
Gaussian
Filter
(HGF)
capture
implicit
learning
four-choice
probabilistic
sensorimotor
reversal
task
by
tracking
beliefs
about
stimulus
transitions.
Using
7-Tesla
Magnetic
Resonance
Spectroscopy,
measured
baseline
neurotransmitter
levels
primary
motor
cortex
(M1).
Model-based
results
revealed
dynamic
belief
updating
response
environmental
changes.
further
found
region-specific
relationships
between
M1
glutamate+
glutamine
prediction
errors
volatility
beliefs,
revealing
an
neural
marker
High
was
associated
with
faster
post-reversal
responses.
By
integrating
modelling
neurochemical
assessments,
this
study
provides
insights
into
neurocomputations
that
drive
individual
differences
processing
uncertainty.
Entropy,
Год журнала:
2025,
Номер
27(2), С. 143 - 143
Опубликована: Фев. 1, 2025
Active
inference
under
the
Free
Energy
Principle
has
been
proposed
as
an
across-scales
compatible
framework
for
understanding
and
modelling
behaviour
self-maintenance.
Crucially,
a
collective
of
active
agents
can,
if
they
maintain
group-level
Markov
blanket,
constitute
larger
agent
with
generative
model
its
own.
This
potential
computational
scale-free
structures
speaks
to
application
self-organizing
systems
across
spatiotemporal
scales,
from
cells
human
collectives.
Due
difficulty
reconstructing
that
explains
emergent
agents,
there
little
research
on
this
kind
multi-scale
inference.
Here,
we
propose
data-driven
methodology
characterising
relation
between
dynamics
constituent
individual
agents.
We
apply
methods
cognitive
psychiatry,
applicable
well
other
types
approaches.
Using
simple
Multi-Armed
Bandit
task
example,
employ
new
ActiveInference.jl
library
Julia
simulate
who
are
equipped
blanket.
use
sampling-based
parameter
estimation
make
inferences
about
agent,
show
is
non-trivial
relationship
models
constitute,
even
in
setting.
Finally,
point
number
ways
which
might
be
applied
better
understand
relations
nested
scales.