Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Sept. 4, 2023
Deep-brain
stimulation
(DBS)
is
an
effective
treatment
for
patients
suffering
from
otherwise
therapy-resistant
psychiatric
disorders,
including
obsessive-compulsive
disorder.
Modulation
of
cortico-striatal
circuits
has
been
suggested
as
a
mechanism
action.
To
gain
mechanistic
insight,
we
monitored
neuronal
activity
in
regions
mouse
model
compulsive
behavior,
while
systematically
varying
clinically-relevant
parameters
internal-capsule
DBS.
DBS
showed
dose-dependent
effects
on
both
brain
and
behavior:
An
increasing,
yet
balanced,
number
excited
inhibited
neurons
was
recruited,
scattered
throughout
regions,
excessive
grooming
decreased.
Such
recruitment
did
not
alter
basic
function
such
resting-state
activity,
only
occurred
awake
animals,
indicating
dependency
network
activity.
In
addition
to
these
widespread
effects,
observed
specific
involvement
the
medial
orbitofrontal
cortex
therapeutic
outcomes,
which
corroborated
by
optogenetic
stimulation.
Together,
our
findings
provide
insight
into
how
exerts
its
behaviors.
Frontiers in Cellular Neuroscience,
Journal Year:
2021,
Volume and Issue:
15
Published: Oct. 11, 2021
The
hippocampus-prefrontal
cortex
(HPC-PFC)
pathway
plays
a
fundamental
role
in
executive
and
emotional
functions.
Neurophysiological
studies
have
begun
to
unveil
the
dynamics
of
HPC-PFC
interaction
both
immediate
demands
long-term
adaptations.
Disruptions
functional
connectivity
can
contribute
neuropsychiatric
symptoms
observed
mental
illnesses
neurological
conditions,
such
as
schizophrenia,
depression,
anxiety
disorders,
Alzheimer’s
disease.
Given
dysfunctional
physiology,
it
is
crucial
understand
mechanisms
that
modulate
communication.
Two
main
regulate
interactions
are
synaptic
plasticity
modulatory
neurotransmission.
Synaptic
be
investigated
inducing
potentiation
or
while
spontaneous
inferred
by
statistical
dependencies
between
local
field
potentials
regions.
In
turn,
several
neurotransmitters,
acetylcholine,
dopamine,
serotonin,
noradrenaline,
endocannabinoids,
fine-tuning
connectivity.
Despite
experimental
evidence,
effects
neuromodulation
on
neuronal
from
cellular
behavioral
levels
not
fully
understood.
current
literature
lacks
review
focuses
neurotransmitter
with
activity.
Here
we
reviewed
showing
systems
long-
short-term
plasticity.
We
also
looked
for
neuromodulatory
oscillatory
coordination.
Finally,
implications
disruption
cognition
disorders.
comprehensive
overview
these
impairments
could
help
better
communication
generate
insights
into
etiology
physiopathology
clinical
conditions.
Frontiers in Psychiatry,
Journal Year:
2023,
Volume and Issue:
14
Published: June 20, 2023
Social
interaction
is
a
complex
behavior
which
requires
the
individual
to
integrate
various
internal
processes,
such
as
social
motivation,
recognition,
salience,
reward,
and
emotional
state,
well
external
cues
informing
of
others'
behavior,
state
rank.
This
phenotype
susceptible
disruption
in
humans
affected
by
neurodevelopmental
psychiatric
disorders,
including
autism
spectrum
disorder
(ASD).
Multiple
pieces
convergent
evidence
collected
from
studies
rodents
suggest
that
prefrontal
cortex
(PFC)
plays
pivotal
role
interactions,
serving
hub
for
affiliation,
empathy,
hierarchy.
Indeed,
PFC
circuitry
results
deficits
symptomatic
ASD.
Here,
we
review
this
describe
ethologically
relevant
tasks
could
be
employed
with
rodent
models
study
interactions.
We
also
discuss
linking
pathologies
associated
Finally,
address
specific
questions
regarding
mechanisms
may
result
atypical
interactions
models,
future
should
address.
Nature Neuroscience,
Journal Year:
2023,
Volume and Issue:
26(10), P. 1805 - 1819
Published: Sept. 21, 2023
The
prefrontal
cortex
(PFC)
enables
mammals
to
respond
situations,
including
internal
states,
with
appropriate
actions.
One
such
state
could
be
'tiredness'.
Here,
using
activity
tagging
in
the
mouse
PFC,
we
identified
particularly
excitable,
fast-spiking,
somatostatin-expressing,
γ-aminobutyric
acid
(GABA)
(PFC
Nature Neuroscience,
Journal Year:
2023,
Volume and Issue:
26(7), P. 1245 - 1255
Published: June 22, 2023
Excitatory
projections
from
the
lateral
hypothalamic
area
(LHA)
to
habenula
(LHb)
drive
aversive
responses.
We
used
patch-sequencing
(Patch-seq)
guided
multimodal
classification
define
structural
and
functional
heterogeneity
of
LHA-LHb
pathway.
Our
identified
six
glutamatergic
neuron
types
with
unique
electrophysiological
properties,
molecular
profiles
projection
patterns.
found
that
genetically
defined
neurons
signal
distinct
aspects
emotional
or
naturalistic
behaviors,
such
as
estrogen
receptor
1-expressing
(Esr1+)
induce
aversion,
whereas
neuropeptide
Y-expressing
(Npy+)
control
rearing
behavior.
Repeated
optogenetic
Esr1+
induces
a
behaviorally
persistent
state,
large-scale
recordings
showed
region-specific
neural
representation
signals
in
prelimbic
region
prefrontal
cortex.
further
exposure
unpredictable
mild
shocks
induced
sex-specific
sensitivity
develop
stress
state
female
mice,
which
was
associated
specific
shift
intrinsic
properties
bursting-type
neurons.
In
summary,
we
describe
diversity
provide
evidence
for
role
aversion
sexually
dimorphic
sensitivity.
Communications Biology,
Journal Year:
2025,
Volume and Issue:
8(1)
Published: Jan. 16, 2025
The
prefrontal
cortex
(PFC)
is
vital
for
higher
cognitive
functions
and
displays
neuronal
heterogeneity,
with
activity
varying
significantly
across
individual
neurons.
Using
calcium
imaging
in
the
medial
PFC
(mPFC)
of
mice,
we
investigate
whether
differences
degree
centrality-a
measure
connectivity
strength
within
local
circuits-could
explain
this
diversity
its
functional
implications.
In
young
adults,
neurons
high
centrality,
inferred
from
resting-state
activity,
exhibit
reliable
stable
action-plan
selectivity
during
memory-guided
tasks,
suggesting
that
closely
linked
to
heterogeneity.
This
relationship,
however,
deteriorates
middle-aged
older
mice.
A
computational
model
simulating
age-related
declines
synaptic
plasticity
reproduces
these
results.
centrality
also
predicts
cross-modal
selectivity,
but
predictive
power
diminishes
age.
Furthermore,
are
spatially
clustered,
a
pattern
fades
aging.
These
findings
reveal
significant
aging
impact
on
network
properties
parallel
spatial
organization
mPFC.
Memory
formation
and
storage
rely
on
multiple
interconnected
brain
areas,
the
contribution
of
which
varies
during
memory
consolidation.
The
medial
prefrontal
cortex,
in
particular
prelimbic
cortex
(PL),
was
traditionally
found
to
be
involved
remote
storage,
but
recent
evidence
points
toward
its
implication
early
consolidation
as
well.
Nevertheless,
inputs
PL
governing
these
dynamics
remain
unknown.
Here,
we
first
performed
a
brain-wide,
rabies-based
retrograde
tracing
screen
engram
cells
activated
contextual
fear
male
mice
identify
relevant
input
regions.
Next,
assessed
specific
activity
pattern
across
different
phases
consolidation,
from
encoding
recall.
Using
projection-specific
chemogenetic
inhibition,
then
tested
their
functional
role
revealed
hitherto
unknown
claustrum
at
encoding,
insular
Both
further
impacted
how
were
reactivated
recall,
testifying
relevance
for
establishing
trace
PL.
Collectively,
data
spatiotemporal
shift
important
thereby
help
refine
working
model
formation.
Frontiers in Neural Circuits,
Journal Year:
2022,
Volume and Issue:
16
Published: June 21, 2022
Neuropeptides,
a
diverse
class
of
signaling
molecules
in
the
nervous
system,
modulate
various
biological
effects
including
membrane
excitability,
synaptic
transmission
and
synaptogenesis,
gene
expression,
glial
cell
architecture
function.
To
date,
most
what
is
known
about
neuropeptide
action
limited
to
subcortical
brain
structures
tissue
outside
central
system.
Thus,
there
knowledge
gap
our
understanding
function
within
cortical
circuits.
In
this
review,
we
provide
comprehensive
overview
families
neuropeptides
their
cognate
receptors
that
are
expressed
prefrontal
cortex
(PFC).
Specifically,
highlight
dynorphin,
enkephalin,
corticotropin-releasing
factor,
cholecystokinin,
somatostatin,
Y,
vasoactive
intestinal
peptide.
Further,
review
implication
circuit
use
as
potential
therapeutic
targets.
Together,
summarizes
established
highlights
unknowns
modulation
neural
underlying
while
offering
insights
for
future
research.
An
increased
emphasis
area
study
necessary
elucidate
basic
principles
used
circuits
beyond
fast
excitatory
inhibitory
transmitters
well
consider
components
PFC
target
neurological
disorders.
Therefore,
not
only
sheds
light
on
importance
studies,
but
also
provides
serve
roadmap
studies
field.