Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Feb. 25, 2023
Disrupted
operations
of
the
reward
circuit
underlie
major
emotional
disorders,
including
depression,
which
commonly
arise
following
early
life
stress
/
adversity
(ELA).
However,
how
ELA
enduringly
impacts
functions
remains
unclear.
We
characterize
a
stress-sensitive
projection
connecting
basolateral
amygdala
(BLA)
and
nucleus
accumbens
(NAc)
that
co-expresses
GABA
stress-reactive
neuropeptide
corticotropin-releasing
hormone
(CRH).
identify
crucial
role
for
this
in
executing
disrupted
behaviors
provoked
by
ELA:
chemogenetic
optogenetic
stimulation
control
male
mice
suppresses
several
behaviors,
recapitulating
deficits
resulting
from
demonstrating
pathway's
contributions
to
normal
behaviors.
In
adult
mice,
inhibiting-but
not
stimulating-the
projection,
restores
typical
yet
has
little
effect
controls,
indicating
ELA-induced
maladaptive
plasticity
reward-circuit
component.
Thus,
we
discover
stress-sensitive,
inhibiting
BLA
→
NAc
with
unique
molecular
features,
may
provide
intervention
targets
disabling
mental
illnesses.
PLoS Biology,
Journal Year:
2017,
Volume and Issue:
15(2), P. e1002598 - e1002598
Published: Feb. 24, 2017
In
everyday
life,
we
have
to
decide
whether
it
is
worth
exerting
effort
obtain
rewards.
Effort
can
be
experienced
in
different
domains,
with
some
tasks
requiring
significant
cognitive
demand
and
others
being
more
physically
effortful.
The
motivation
exert
for
reward
highly
subjective
varies
considerably
across
the
domains
of
behaviour.
However,
very
little
known
about
computational
or
neural
basis
how
costs
are
subjectively
weighed
against
Is
there
a
common,
domain-general
system
brain
areas
that
evaluates
all
benefits?
Here,
used
modelling
functional
magnetic
resonance
imaging
(fMRI)
examine
mechanisms
underlying
value
processing
both
physical
domains.
Participants
were
trained
on
two
novel
parametrically
varied
either
effort.
During
fMRI,
participants
indicated
their
preferences
between
fixed
low-effort/low-reward
option
variable
higher-effort/higher-reward
offer
each
domain.
Critically,
devaluation
by
was
subserved
common
network
areas,
including
dorsomedial
dorsolateral
prefrontal
cortex,
intraparietal
sulcus,
anterior
insula.
Activity
within
these
also
covaried
negatively
positively
effort,
suggesting
an
integration
parameters
areas.
Additionally,
amygdala
appeared
play
unique,
domain-specific
role
rewards
associated
These
results
first
reveal
neurocomputational
cost–benefit
valuation
provide
insight
into
multidimensional
nature
motivation.
Journal of Neuroscience,
Journal Year:
2017,
Volume and Issue:
37(44), P. 10529 - 10540
Published: Nov. 1, 2017
Rat
orbitofrontal
cortex
(OFC)
is
located
in
the
dorsal
bank
of
rhinal
sulcus,
and
divided
into
medial
orbital
area,
ventral
ventrolateral
lateral
dorsolateral
agranular
insular
areas.
Over
past
20
years,
there
has
been
a
marked
increase
number
publications
focused
on
functions
rat
OFC.
While
collectively
this
extensive
body
work
provided
great
insight
OFC,
leading
to
theoretical
computational
models
its
functions,
one
issue
that
emerged
relates
what
defined
as
OFC
because
targeting
region
can
be
quite
variable
between
studies
appetitive
behavior,
even
within
same
species.
Also
apparent
an
oversampling
undersampling
certain
subregions
for
study,
will
demonstrated
here.
The
intent
Viewpoint
summarize
given
diversity
groups
refer
“OFC,”
integrate
these
with
findings
recent
anatomical
studies.
primary
aim
help
discern
reward
learning
decision-making,
clearing
course
future
empirical
work.
Nature Medicine,
Journal Year:
2023,
Volume and Issue:
29(6), P. 1456 - 1467
Published: June 1, 2023
Abstract
Urban-living
individuals
are
exposed
to
many
environmental
factors
that
may
combine
and
interact
influence
mental
health.
While
individual
of
an
urban
environment
have
been
investigated
in
isolation,
no
attempt
has
made
model
how
complex,
real-life
exposure
living
the
city
relates
brain
health,
this
is
moderated
by
genetic
factors.
Using
data
156,075
participants
from
UK
Biobank,
we
carried
out
sparse
canonical
correlation
analyses
investigate
relationships
between
environments
psychiatric
symptoms.
We
found
profile
social
deprivation,
air
pollution,
street
network
land-use
density
was
positively
correlated
with
affective
symptom
group
(
r
=
0.22,
P
perm
<
0.001),
mediated
volume
differences
consistent
reward
processing,
genes
enriched
for
stress
response,
including
CRHR1
,
explaining
2.01%
variance
differences.
Protective
such
as
greenness
generous
destination
accessibility
were
negatively
anxiety
0.10,
regions
necessary
emotion
regulation
EXD3
1.65%
variance.
The
third
emotional
instability
0.03,
0.001).
Our
findings
suggest
different
profiles
specific
groups
through
distinct
neurobiological
pathways.