Neuron,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 1, 2025
Chronic
visceral
pain
(CVP)
often
accompanies
emotional
disorders.
However,
the
lack
of
suitable
animal
models
has
hindered
research
into
their
underlying
molecular
and
neural
circuitry
mechanisms.
Early-life
stress
is
a
key
factor
in
developing
both
hypersensitivity
disorders,
yet
its
pathological
mechanisms
are
not
well
understood.
This
study
showed
that
adult
offspring
prenatal
maternal
(PMS)-exposed
mice
exhibited
anxiety-like
behaviors.
Glutamatergic
neurons
anterior
paraventricular
thalamus
(aPVT)
responded
to
pain,
while
those
posterior
PVT
(pPVT)
were
more
responsive
anxiety.
The
aPVT-basolateral
amygdala
(BLA)
pPVT-central
(CeA)
circuits
regulated
CVP
anxiety,
respectively.
Notably,
increased
Cacna1e
expression
aPVT
enhanced
Grin2a
upregulation
pPVT
facilitated
only
These
findings
highlight
distinct
roles
aPVTGlu-BLAGlu-CeAGABA
pPVTGlu-CeAGABA
circuits,
providing
insights
for
therapeutic
approaches
anxiety
comorbidity.
Frontiers in Behavioral Neuroscience,
Journal Year:
2020,
Volume and Issue:
14
Published: Oct. 29, 2020
The
paraventricular
nucleus
of
the
thalamus
(PVT)
has
for
decades
been
acknowledged
to
be
an
important
node
in
limbic
system,
but
studies
emotional
processing
generally
fail
incorporate
it
into
their
investigational
framework.
Here,
we
propose
that
PVT
should
considered
as
integral
part
network.
Through
its
distinct
subregions,
cell
populations,
and
connections
with
other
nuclei,
participates
both
major
features
emotion:
arousal
valence.
PVT,
particularly
anterior
can
through
neuronal
activity
promote
arousal,
sleep-wake
cycle
response
novel
stimuli.
It
is
also
involved
reward,
being
responsive
rewarding
stimuli
itself
affecting
behavior
reflecting
likely
via
specific
populations
cells
distributed
throughout
subregions.
Similarly,
contributes
depression-like
behavior,
yet
undefined
posterior
particular
demonstrates
a
role
anxiety-like
promoting
inhibiting
this
behavior.
This
subregion
especially
stressors,
functions
suppress
stress
following
chronic
exposure.
In
addition
participating
unconditioned
or
primary
responses,
makes
contributions
conditioned
Neuronal
reward-predictive
cue
detected
endogenous
strongly
predicts
approach
seeking
during
fear
retrieval
activation
facilitates
expression
fear.
Much
involvement
valence
shown
occur
same
general
afferents
efferents,
including
hypothalamus,
prelimbic
infralimbic
cortices,
accumbens,
amygdala,
although
detailed
functional
map
circuits
control
responses
remains
delineated.
Thus,
while
caveats
exist
more
work
required,
extensive
prominent
nuclei
appears
Philosophical Transactions of the Royal Society B Biological Sciences,
Journal Year:
2021,
Volume and Issue:
377(1844)
Published: Dec. 27, 2021
Mental
terms-such
as
perception,
cognition,
action,
emotion,
well
attention,
memory,
decision-making-are
epistemically
sterile.
We
support
our
thesis
based
on
extensive
comparative
neuroanatomy
knowledge
of
the
organization
vertebrate
brain.
Evolutionary
pressures
have
moulded
central
nervous
system
to
promote
survival.
Careful
characterization
brain
shows
that
its
architecture
supports
an
enormous
amount
communication
and
integration
signals,
especially
in
birds
mammals.
The
general
a
degree
'computational
flexibility'
enables
animals
cope
successfully
with
complex
ever-changing
environments.
Here,
we
suggest
neuroarchitecture
does
not
respect
boundaries
standard
mental
terms,
propose
neuroscience
should
aim
unravel
dynamic
coupling
between
large-scale
circuits
complex,
naturalistic
behaviours.
This
article
is
part
theme
issue
'Systems
through
lens
evolutionary
theory'.
Nature Communications,
Journal Year:
2022,
Volume and Issue:
13(1)
Published: Oct. 21, 2022
Abstract
The
nucleus
accumbens
(NAc)
is
critical
in
mediating
reward
seeking
and
also
involved
negative
emotion
processing,
but
the
cellular
circuitry
mechanisms
underlying
such
opposing
behaviors
remain
elusive.
Here,
using
recently
developed
AAV1-mediated
anterograde
transsynaptic
tagging
technique
mice,
we
show
that
NAc
neurons
receiving
basolateral
amygdala
inputs
(NAc
BLA
)
promote
positive
reinforcement
via
disinhibiting
dopamine
ventral
tegmental
area
(VTA).
In
contrast,
paraventricular
thalamic
PVT
innervate
GABAergic
lateral
hypothalamus
(LH)
mediate
aversion.
Silencing
synaptic
output
of
impairs
behavior,
while
silencing
or
→LH
pathway
abolishes
aversive
symptoms
opiate
withdrawal.
Our
results
elucidate
afferent-specific
circuit
architecture
controlling
Frontiers in Behavioral Neuroscience,
Journal Year:
2022,
Volume and Issue:
16
Published: Aug. 23, 2022
The
midline
and
intralaminar
nuclei
of
the
thalamus
form
a
major
part
"limbic
thalamus;"
that
is,
thalamic
structures
anatomically
functionally
linked
with
limbic
forebrain.
consist
paraventricular
(PV)
paratenial
nuclei,
dorsally
rhomboid
nucleus
reuniens
(RE),
ventrally.
rostral
(ILt)
central
medial
(CM),
paracentral
(PC)
lateral
(CL)
nuclei.
We
presently
concentrate
on
RE,
PV,
CM
CL
thalamus.
receives
diverse
array
input
from
limbic-related
sites,
predominantly
projects
to
hippocampus
"limbic"
cortices.
RE
participates
in
various
cognitive
functions
including
spatial
working
memory,
executive
(attention,
behavioral
flexibility)
affect/fear
behavior.
PV
significant
afferents,
particularly
hypothalamus,
mainly
distributes
"affective"
forebrain
bed
stria
terminalis,
accumbens
amygdala.
Accordingly,
serves
critical
role
"motivated
behaviors"
such
as
arousal,
feeding/consummatory
behavior
drug
addiction.
ILt
both
sensorimotor-related
widely
over
motor
regions
frontal
cortex-and
throughout
dorsal
striatum.
is
for
maintaining
consciousness
directly
sensorimotor
(visuospatial
or
reaction
time
tasks)
tasks
involving
striatal-cortical
interactions.
As
discussed
herein,
while
each
are
distinct,
they
collectively
serve
vital
several
affective,
behaviors
-
components
brainstem-diencephalic-thalamocortical
circuitry.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 7, 2025
Neuromodulatory
signaling
is
poised
to
serve
as
a
neural
mechanism
for
gain
control,
acting
crucial
tuning
factor
influence
neuronal
activity
by
dynamically
shaping
excitatory
and
inhibitory
fast
neurotransmission.
The
endocannabinoid
(eCB)
system,
the
most
widely
expressed
neuromodulatory
system
in
mammalian
brain,
known
filter
inputs
through
retrograde,
pre-synaptic
action.
However,
whether
eCBs
exert
retrograde
control
ultimately
facilitate
reward-seeking
behaviors
freely
moving
mammals
not
established.
Using
suite
of
vivo
physiological,
imaging,
genetic
machine
learning-based
approaches,
we
report
fundamental
role
controlling
behavioral
engagement
behavior
defined
thalamo-striatal
circuit.
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 28, 2025
Abstract
Neuronal
plasticity
in
the
central
amygdala
(CeA)
is
essential
for
modulating
feeding
behaviors
and
emotional
responses,
potentially
influencing
reactions
to
Deoxynivalenol
(DON).
Acute
oral
administration
of
DON
elicits
a
dose‐responsive
reduction
food
intake,
accompanied
by
pronounced
alterations
locomotor
activity
frequency.
This
study
investigates
circuitry
adaptations
that
mediate
DON's
effects
on
feeding,
targeting
GABA
neurons
CeA.
Following
exposure
DON,
an
increase
connectivity
between
paraventricular
nucleus
thalamus
(PVT)
CeA
observed,
suggesting
involvement
this
pathway
adverse
states.
Chemogenetic
optogenetic
manipulations
resulted
substantial
mice's
overall
activity.
These
findings
suggest
are
involved
DON‐induced
anorexia
aversive‐like
responses.
Additionally,
SCN10A
antagonist
(A‐803467)
effectively
mitigated
emotions,
highlighting
pivotal
role
PVT‐CeA
circuit
regulating
physiological
impacts
DON.
have
significant
implications
public
health
clinical
interventions,
offering
potential
therapeutic
strategies
mitigate
human
health.
Frontiers in Behavioral Neuroscience,
Journal Year:
2020,
Volume and Issue:
14
Published: Oct. 16, 2020
The
paraventricular
thalamic
nucleus
(PVT)
is
highly
interconnected
with
brain
areas
that
control
reward-seeking
behavior.
Despite
this
known
connectivity,
broad
manipulations
of
PVT
often
lead
to
mixed,
and
even
opposing,
behavioral
effects,
clouding
our
understanding
how
precisely
contributes
reward
processing.
Although
the
function
in
influencing
poorly
understood,
recent
studies
show
forebrain
hypothalamic
inputs
to,
accumbens
amygdalar
outputs
from,
are
strongly
implicated
responses
conditioned
appetitive
or
aversive
stimuli
determine
whether
an
animal
will
approach
avoid
specific
rewards.
These
studies,
which
have
used
array
chemogenetic,
optogenetic,
calcium
imaging
technologies,
shown
activity
input
output
circuits
heterogeneous,
mixed
patterns
contribute
behavior
distinct
manners.
Thus,
it
important
perform
experiments
defined
cell
types
elucidate
network
behaviors.
In
review,
we
describe
complex
heterogeneity
within
circuitry
appears
influence
decision
seek
a
point
out
gaps
should
be
investigated
future
studies.