Frontiers in Psychiatry,
Journal Year:
2024,
Volume and Issue:
15
Published: May 8, 2024
Drugs
targeting
monoamine
systems
remain
the
most
common
treatment
for
disorders
with
impulse
control
impairments.
There
is
a
body
of
literature
suggesting
that
drugs
affecting
serotonin
reuptake
and
dopamine
can
modulate
distinct
aspects
impulsivity
-
though
such
tests
are
often
performed
using
behavioral
tasks
prohibiting
easy
comparisons.
Here,
we
directly
compare
pharmacologic
agents
affect
(methylphenidate)
vs
(citalopram)
manipulations
on
choice
in
temporal
discounting
task
where
rats
could
choose
between
small,
immediate
reward
or
large
delayed
at
either
2
10s.
In
conditions,
preferred
small
(2s)
delay
discounted
long
(10s)
delay.
Methylphenidate,
transport
inhibitor
blocks
dopamine,
dose-dependently
increased
preference
block.
Citalopram,
selective
inhibitor,
had
no
effect
behavior.
Impulsive
behavior
was
least
partially
mediated
by
nucleus
accumbens
shell.
Bilateral
lesions
to
shell
reduced
during
Following
lesions,
methylphenidate
did
not
impact
impulsivity.
Our
results
suggest
striatal
dopaminergic
via
actions
within
shell,
whereas
may
regulate
different
inhibition/impulsivity.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(2), P. 864 - 864
Published: Jan. 10, 2024
Fear
extinction
is
a
phenomenon
that
involves
gradual
reduction
in
conditioned
fear
responses
through
repeated
exposure
to
fear-inducing
cues.
Functional
brain
connectivity
assessments,
such
as
functional
magnetic
resonance
imaging
(fMRI),
provide
valuable
insights
into
how
regions
communicate
during
these
processes.
Stress,
ubiquitous
aspect
of
life,
influences
learning
and
by
changing
the
activity
amygdala,
prefrontal
cortex,
hippocampus,
leading
enhanced
and/or
impaired
extinction.
Glucocorticoid
receptors
(GRs)
are
key
stress
response
show
dual
function
regulation:
while
they
enhance
consolidation
memories,
also
facilitate
Accordingly,
GR
dysregulation
associated
with
anxiety
mood
disorders.
Recent
advancements
cognitive
neuroscience
underscore
need
for
comprehensive
understanding
integrates
perspectives
from
molecular,
cellular,
systems
levels.
In
particular,
neuropharmacology
provides
neurotransmitter
receptor
systems,
aiding
investigation
mechanisms
underlying
regulation
potential
therapeutic
targets.
A
notable
player
this
context
cortisol,
hormone,
which
significantly
both
memory
reconsolidation
Gaining
thorough
intricate
interactions
has
implications
terms
addressing
psychiatric
disorders
related
stress.
This
review
sheds
light
on
complex
between
processes,
emotions,
their
neural
bases.
endeavor,
our
aim
reshape
comprehension
fear,
stress,
emotional
well-being,
ultimately
development
interventions.
Neuroscience & Biobehavioral Reviews,
Journal Year:
2024,
Volume and Issue:
157, P. 105542 - 105542
Published: Jan. 11, 2024
Coordinated
interactions
between
the
central
and
autonomic
nervous
systems
are
crucial
for
survival
due
to
inherent
propensity
human
behavior
make
errors.
In
our
ever-changing
environment,
when
individuals
mistakes,
these
errors
can
have
life-threatening
consequences.
response
errors,
specific
reactions
occur
in
both
brain
activity
heart
rate
detect
correct
Specifically,
there
two
brain-related
indicators
of
error
detection
awareness
known
as
error-related
negativity
positivity.
Conversely,
cardiac
deceleration
denotes
a
momentary
slowing
following
an
error,
signaling
response.
However,
what
is
connection
during
processing?
this
review,
we
discuss
functional
neuroanatomical
connections
markers
processing,
exploring
experimental
conditions
which
they
covary.
Given
current
limitations
available
data,
future
research
will
continue
investigate
neurobiological
factors
governing
brain-heart
interaction,
aiming
utilize
them
combined
assessing
cognitive
control
healthy
pathological
conditions.
Advances in Clinical and Experimental Medicine,
Journal Year:
2024,
Volume and Issue:
33(4), P. 321 - 326
Published: March 21, 2024
A
harmonic
brain-body
communication
is
fundamental
to
individual
wellbeing
and
the
basis
of
human
cognition
behavior.In
last
2
decades,
interaction
between
brain
body
functioning
has
become
a
central
area
study
for
neurologists
neuroscientists
in
clinical
non-clinical
contexts.Indeed,
axis
dysfunctions
occur
many
psychiatric,
neurological
neurodegenerative
diseases.This
editorial
will
focus
on
recent
advances
future
therapeutic
perspectives
studying
interactions
health
diseases.
Biomedicines,
Journal Year:
2024,
Volume and Issue:
12(3), P. 613 - 613
Published: March 8, 2024
Neuroscience,
neurology,
and
psychiatry
are
rapidly
evolving
fields
that
aim
to
understand
the
complex
mechanisms
underlying
brain
function
dysfunction,
as
well
develop
effective
interventions
for
various
neurological
psychiatric
disorders
[...]
Cells,
Journal Year:
2024,
Volume and Issue:
13(10), P. 790 - 790
Published: May 7, 2024
Translational
research
in
neurological
and
psychiatric
diseases
is
a
rapidly
advancing
field
that
promises
to
redefine
our
approach
these
complex
conditions
[...]
The
editorial
explores
the
realm
of
emerging
translational
research
in
neurology
and
psychiatry,
providing
insights
into
various
subjects,
including
neurodegenerative
disorders
innovative
therapeutic
methods.
main
objective
is
to
study
neurological
psychiatric
disorders,
such
as
Alzheimer's
disease,
with
a
particular
emphasis
on
techniques
for
neural
regeneration
repair.
highlights
importance
taking
comprehensive
approach
studying
treating
complex
conditions.
This
involves
thoroughly
reviewing
papers
causes,
development,
biomarkers,
treatment
options
these
emphasizes
necessity
using
multidisciplinary
integrative
methods
gain
deeper
understanding
improve
development
an
animal
model
recurrent
primary
dysmenorrhea
showcases
employed
investigation
gynecological
illustrating
capacity
connect
fundamental
scientific
knowledge
practical
medical
applications.
cooperative
endeavors
researchers
clinicians
emphasized
this
lay
foundation
revolutionary
advancements
that
hold
potential
enhance
outcomes
individuals
afflicted
globally.
Delve
into
the
dynamic
realms
of
neuroscience,
neurology,
and
psychiatry
with
this
groundbreaking
editorial,
unveiling
intricate
mechanisms
brain
function
dysfunction.
Explore
latest
advancements
in
molecular
biology,
genetics,
epigenetics,
pharmacology,
neuroimaging
that
are
revolutionizing
our
understanding
neurological
psychiatric
disorders.
Uncover
challenges
gaps
translating
cutting-edge
research
practical
clinical
applications,
aiming
to
enhance
lives
patients
their
families.
Discover
pivotal
role
neuroplasticity
reshaping
brain's
adaptability
throughout
life,
alongside
promising
potential
non-invasive
stimulation
techniques
like
transcranial
magnetic
direct
current
stimulation.
Embark
on
a
journey
innovation
collaboration
as
researchers
clinicians
strive
bridge
gap
between
bench
bedside,
offering
hope
for
improved
diagnosis,
prevention,
treatment
complex
conditions.
Join
us
exploration
transformative
ideas
novel
interventions
hold
key
brighter
future
individuals
society.
Frontiers in Bioscience-Landmark,
Journal Year:
2025,
Volume and Issue:
30(1)
Published: Jan. 20, 2025
Backgrounds:
Memory
and
emotion
are
especially
vulnerable
to
psychiatric
disorders
such
as
post-traumatic
stress
disorder
(PTSD),
which
is
linked
disruptions
in
serotonin
(5-HT)
metabolism.
Over
90%
of
the
5-HT
precursor
tryptophan
(Trp)
metabolized
via
Trp-kynurenine
(KYN)
metabolic
pathway,
generates
a
variety
bioactive
molecules.
Dysregulation
KYN
metabolism,
particularly
low
levels
kynurenic
acid
(KYNA),
appears
be
neuropsychiatric
disorders.
The
majority
KYNA
produced
by
aadat
(kat2)
gene-encoded
mitochondrial
kynurenine
aminotransferase
(KAT)
isotype
2.
Little
known
about
consequences
deleting
enzyme
gene.
Methods:
In
CRISPR/Cas9-induced
knockout
(kat2-/-)
mice,
we
examined
effects
on
emotion,
memory,
motor
function,
Trp
its
metabolite
levels,
activities
plasma
urine
8-week-old
males
compared
wild-type
mice.
Results:
Transgenic
mice
showed
more
depressive-like
behaviors
forced
swim
test,
but
not
tail
suspension,
anxiety,
or
memory
tests.
They
also
had
fewer
center
field
corner
entries,
shorter
walking
distances,
jumping
counts
open
test.
Plasma
generally
consistent
with
those
urine:
antioxidant
KYNs,
5-hydroxyindoleacetic
acid,
indole-3-acetic
were
lower;
KATs,
kynureninase,
monoamine
oxidase/aldehyde
dehydrogenase
lower,
3-monooxygenase
was
higher;
oxidative
excitotoxicity
indices
higher.
displayed
depression-like
behavior
learned
helplessness
model,
emotional
indifference,
deficits,
coupled
decrease
KYNA,
shift
metabolism
toward
KYN-3-hydroxykynurenine
partial
gut
microbial
Trp-indole
pathway
metabolite.
Conclusions:
This
first
evidence
that
gene
induces
uniquely
experiences
despair,
appear
associated
excitatory
neurotoxic
stresses.
may
lead
development
double-hit
preclinical
model
despair-based
depression,
better
understanding
these
complex
conditions,
effective
therapeutic
strategies
elucidating
relationship
between
PTSD
pathogenesis.