iScience,
Journal Year:
2024,
Volume and Issue:
27(9), P. 110753 - 110753
Published: Aug. 23, 2024
Highlights•The
direct
and
indirect
pathways
have
antagonistic
effects
on
perceptual
decisions•Direct
pathway
stimulation
increases
neuronal
activity
in
the
dorsal
cortex•The
striatum
influences
cortical
representations
of
working
memoriesSummaryThe
striatum,
main
input
nucleus
basal
ganglia,
receives
topographically
organized
from
cortex
gives
rise
to
output
pathways,
which
ganglia
directed
cortex.
We
optogenetically
stimulated
a
visual
memory
task
mice
that
responded
by
licking.
Unilateral
increased
probability
lick
responses
toward
contralateral,
non-stimulated
side
globally.
In
contrast,
decreased
hemisphere.
Moreover,
enhanced
neural
representation
contralateral
stimulus
during
delay
task,
whereas
had
opposite
effect.
Our
results
demonstrate
how
these
two
influence
decisions
modify
cortex.Graphical
abstract
Frontiers in Neural Circuits,
Journal Year:
2025,
Volume and Issue:
19
Published: Feb. 25, 2025
Optogenetics
and
chemogenetics
are
emerging
neuromodulation
techniques
that
have
attracted
significant
attention
in
recent
years.
These
enable
the
precise
control
of
specific
neuronal
types
neural
circuits,
allowing
researchers
to
investigate
cellular
mechanisms
underlying
depression.
The
advancement
these
has
significantly
contributed
understanding
circuits
involved
depression;
when
combined
with
other
technologies,
they
provide
novel
therapeutic
targets
diagnostic
tools
for
clinical
treatment
Additionally,
provided
theoretical
support
development
antidepressants.
This
review
primarily
focuses
on
application
optogenetics
several
brain
regions
closely
associated
depressive-like
behaviors
rodent
models,
such
as
ventral
tegmental
area,
nucleus
accumbens,
prefrontal
cortex,
hippocampus,
dorsal
raphe
nucleus,
lateral
habenula
discusses
potential
challenges
future
research.
Furthermore,
this
pose
research
describes
current
state
sonogenetics
odourgenetics
developed
based
chemogenetics.
Specifically,
study
aimed
reliable
insights
directions
role
depressive
models.
Frontiers in Neuroanatomy,
Journal Year:
2021,
Volume and Issue:
15
Published: Sept. 24, 2021
Whole-brain
imaging
has
become
an
increasingly
important
approach
to
investigate
neural
structures,
such
as
somata
distribution,
dendritic
morphology,
and
axonal
projection
patterns.
Different
structures
require
whole-brain
at
different
resolutions.
Thus,
it
is
highly
desirable
perform
multiple
scales.
Imaging
a
complete
mammalian
brain
synaptic
resolution
especially
challenging,
requires
continuous
from
days
weeks
because
of
the
large
number
voxels
sample,
difficult
acquire
constant
quality
light
scattering
during
in
toto
imaging.
Here,
we
reveal
that
light-sheet
microscopy
unique
advantage
over
wide-field
multi-scale
its
decoupling
illumination
detection.
Based
on
this
observation,
have
developed
microscope
combines
tiling
light-sheet,
automatic
zooming,
periodic
sectioning,
tissue
expansion
achieve
brain-wide
cellular
(3
μm
×
3
8
μm)
sub-micron
(0.3
0.3
1
spatial
rapidly
(all
within
few
hours).
We
demonstrated
strength
system
by
testing
using
mouse
brains
prepared
clearing
approaches.
were
able
track
electrode
tracks
well
projections
trace
full
morphology
single
medial
prefrontal
cortex
(mPFC)
neurons
remarkable
diversity
long-range
projections.
Frontiers in Aging Neuroscience,
Journal Year:
2022,
Volume and Issue:
13
Published: Jan. 17, 2022
Mild
cognitive
impairment
(MCI)
reversion
refers
to
patients
with
MCI
who
revert
from
a
normal
state.
Exploring
the
underlying
neuromechanism
of
reverters
may
contribute
providing
new
insights
into
pathogenesis
Alzheimer’s
disease
and
developing
therapeutic
interventions.
Information
on
healthy
controls
(HCs)
was
collected
Disease
Neuroimaging
Initiative
database.
We
redefined
as
whose
logical
memory
scores
changed
levels
using
criteria.
explored
intrinsic
brain
activity
alterations
in
voxel,
regional,
whole-brain
by
comparing
resting-state
functional
magnetic
resonance
imaging
metrics
amplitude
low-frequency
fluctuation
(ALFF),
fractional
(fALFF),
percent
(PerAF),
regional
homogeneity
(ReHo),
degree
centrality
(DC)
between
HCs.
Finally,
partial
correlation
analyses
were
conducted
scale
regions,
revealing
significant
group
differences.
Thirty-two
database
identified
reverters.
Thirty-seven
age-,
sex-,
education-matched
individuals
also
enrolled.
At
voxel
level,
compared
HCs,
had
increased
ALFF,
fALFF,
PerAF
frontal
gyrus
(including
bilateral
orbital
inferior
left
middle
gyrus),
fusiform
gyrus,
decreased
ALFF
fALFF
right
cerebellum.
Regarding
levels,
showed
ReHo
median
cingulate
paracingulate
gyri;
DC
temporal
medial
superior
frontal;
cerebellum
insular
relative
Furthermore,
correlations
found
performance
neuroimaging
changes.
These
findings
suggest
that
show
changes
potentially
related
MCI.
results
enhance
our
understanding
further
exploration
disease.
Annual Review of Neuroscience,
Journal Year:
2022,
Volume and Issue:
45(1), P. 317 - 337
Published: April 1, 2022
Nervous
systems
evolved
to
effectively
navigate
the
dynamics
of
environment
achieve
their
goals.
One
framework
used
study
this
fundamental
problem
arose
in
learning
and
decision-making.
In
framework,
demands
effective
behavior
require
slow
dynamics-on
scale
seconds
minutes-of
networks
neurons.
Here,
we
review
phenomena
mechanisms
involved.
Using
vignettes
from
a
few
species
areas
nervous
system,
view
neuromodulators
as
key
substrates
for
temporal
scaling
neuronal
dynamics.
Cell Reports,
Journal Year:
2022,
Volume and Issue:
40(7), P. 111190 - 111190
Published: Aug. 1, 2022
Despite
essentially
symmetric
structures
in
mammalian
brains,
the
left
and
right
hemispheres
do
not
contribute
equally
to
certain
cognitive
functions.
How
both
interact
cause
this
asymmetry
remains
unclear.
Here,
we
study
question
anterior
lateral
motor
cortex
(ALM)
of
mice
performing
five
versions
a
tactile-based
decision-making
task
with
short-term
memory
(STM)
component.
Unilateral
inhibition
ALM
produces
variable
behavioral
deficits
across
tasks,
left,
right,
or
ALMs
playing
critical
roles
STM.
Neural
activity
its
encoding
capability
are
similar
hemispheres,
despite
that
only
one
hemisphere
dominates
behavior.
Inhibition
dominant
disrupts
non-dominant
ALM,
but
vice
versa.
Variable
predicted
by
influence
on
contralateral
sessions,
mice,
tasks.
Together,
these
results
reveal
asymmetrically,
leading
their
differential
contributions
Neuroscience Bulletin,
Journal Year:
2023,
Volume and Issue:
39(10), P. 1544 - 1560
Published: May 31, 2023
The
secondary
motor
cortex
(M2)
encodes
choice-related
information
and
plays
an
important
role
in
cue-guided
actions.
M2
neurons
innervate
the
dorsal
striatum
(DS),
which
also
contributes
to
decision-making
behavior,
yet
how
modulates
signals
DS
influence
perceptual
is
unclear.
Using
mice
performing
a
visual
Go/No-Go
task,
we
showed
that
inactivating
projections
impaired
performance
by
increasing
false
alarm
(FA)
rate
reward-irrelevant
No-Go
stimulus.
choice
signal
of
correlated
with
behavioral
performance,
inactivation
projecting
reduced
DS.
By
measuring
manipulating
responses
direct
or
indirect
pathway
striatal
defined
inputs,
found
exhibited
shorter
response
latency
stimulus,
their
early
increased
FA
rate.
These
results
demonstrate
M2-to-DS
crucial
for
suppressing
inappropriate
decision
behavior.
Current Biology,
Journal Year:
2023,
Volume and Issue:
33(17), P. 3610 - 3624.e4
Published: Aug. 14, 2023
Motor
planning
facilitates
rapid
and
precise
execution
of
volitional
movements.
Although
motor
has
been
classically
studied
in
humans
monkeys,
the
mouse
become
an
increasingly
popular
model
system
to
study
neural
mechanisms
planning.
It
remains
yet
untested
whether
mice
primates
share
common
behavioral
features
We
combined
videography
a
delayed
response
task
paradigm
autonomous
measure
non-body-restrained
mice.
resulted
both
reaction
time
(RT)
savings
increased
movement
accuracy,
replicating
classic
effects
primates.
found
that
was
reflected
task-relevant
body
features.
Both
specific
actions
prepared
degree
readiness
could
be
read
out
online
during
The
readout
further
revealed
evidence
simultaneous
preparation
for
multiple
under
uncertain
conditions.
These
results
validate
as
planning,
demonstrate
feature
movements
powerful
real-time
readiness,
offer
can
parallel
process
permits
selection
actions.