Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: March 26, 2025
Food
seeking
and
avoidance
engage
primary
reward
systems
to
drive
behavior.
It
is
nevertheless
unclear
whether
innate
or
learned
food
biases
interact
with
general
processing
interfere
goal-directed
choice.
To
this
end,
we
recruited
a
large
non-clinical
sample
of
females
high
eating-disorder
symptoms
('HED')
matched
low
('LED')
complete
reward-learning
task
where
the
calorie
content
stimuli
was
incidental
goal
maximizing
monetary
reward.
We
find
replicate
low-calorie
bias
in
HED
high-calorie
LED,
reflecting
strength
pre-experimental
food-reward
associations.
An
emotional
arousal
manipulation
shifts
group-dependent
across
individual
differences,
interoceptive
awareness
predicting
change.
Reinforcement-learning
models
further
identify
distinct
cognitive
components
supporting
these
group-specific
biases.
Our
results
highlight
influence
reinforcement-based
mechanisms
eliciting
potentially
maladaptive
Disordered
eating
can
disrupt
rewarding
value
food.
Here,
authors
show
female
that
disorder
symptoms,
arousal,
modulate
goal-irrelevant
during
reinforcement
learning.
Biological Psychiatry,
Journal Year:
2023,
Volume and Issue:
95(6), P. 510 - 522
Published: Nov. 29, 2023
The
development
of
neuroimaging
methodologies
to
map
brain
connectivity
has
transformed
our
understanding
psychiatric
disorders,
the
distributed
effects
stimulation,
and
how
transcranial
magnetic
stimulation
can
be
best
employed
target
ameliorate
symptoms.
In
parallel,
research
revealed
that
higher-order
regions
such
as
prefrontal
cortex,
which
represent
most
common
therapeutic
targets
for
show
some
highest
levels
interindividual
variation
in
connectivity.
These
findings
provide
rationale
personalized
site
selection
based
on
person-specific
network
architecture.
Recent
advances
have
made
it
possible
determine
reproducible
with
millimeter
precision
clinically
tractable
acquisition
times.
enable
potential
advantages
spatially
targeting
evaluated
translated
basic
clinical
applications.
this
review,
we
outline
motivation
personalization,
preliminary
support
(mostly
depression),
convergent
evidence
from
other
modalities,
generalizability
beyond
depression
cortex.
We
end
by
detailing
methodological
recommendations,
controversies,
notable
alternatives.
Overall,
while
area
appears
highly
promising,
value
remains
unclear,
dedicated
large
prospective
randomized
trials
using
validated
methodology
are
critical.
JAMA Psychiatry,
Journal Year:
2024,
Volume and Issue:
81(4), P. 414 - 414
Published: Feb. 7, 2024
Importance
In
the
last
25
years,
functional
magnetic
resonance
imaging
drug
cue
reactivity
(FDCR)
studies
have
characterized
some
core
aspects
in
neurobiology
of
addiction.
However,
no
FDCR-derived
biomarkers
been
approved
for
treatment
development
or
clinical
adoption.
Traversing
this
translational
gap
requires
a
systematic
assessment
FDCR
literature
evidence,
its
heterogeneity,
and
an
evaluation
possible
uses
biomarkers.
Objective
To
summarize
state
field
FDCR,
assess
their
potential
biomarker
development,
outline
clear
process
qualification
to
guide
future
research
validation
efforts.
Evidence
Review
The
PubMed
Medline
databases
were
searched
every
original
investigation
published
from
database
inception
until
December
2022.
Collected
data
covered
study
design,
participant
characteristics,
task
whether
each
provided
evidence
that
might
potentially
help
develop
susceptibility,
diagnostic,
response,
prognostic,
predictive,
severity
1
more
addictive
disorders.
Findings
There
415
between
1998
Most
focused
on
nicotine
(122
[29.6%]),
alcohol
(120
[29.2%]),
cocaine
(46
[11.1%]),
most
used
visual
cues
(354
[85.3%]).
Together,
these
recruited
19
311
participants,
including
13
812
individuals
with
past
current
substance
use
could
support
diagnostic
(143
[32.7%]),
response
(141
[32.3%]),
(84
[19.2%]),
prognostic
(30
[6.9%]),
predictive
(25
[5.7%]),
monitoring
(12
[2.7%]),
susceptibility
(2
[0.5%])
A
total
155
interventional
mostly
investigate
pharmacological
(67
[43.2%])
cognitive/behavioral
(51
[32.9%])
interventions;
141
as
measure,
which
125
(88.7%)
reported
significant
alterations;
intervention
outcome
predictor,
24
(96%)
finding
associations
markers
outcomes.
Conclusions
Relevance
Based
review
proposed
framework,
there
is
pathway
regulatory
FDCR-based
addiction
recovery.
Further
measures,
accelerating
improving
judgments.
American Journal of Psychiatry,
Journal Year:
2024,
Volume and Issue:
181(5), P. 412 - 422
Published: May 1, 2024
Objective:
Stress
and
alcohol
cue
reactivity
are
associated
with
poor
treatment
outcomes
in
use
disorder
(AUD),
but
sex-specific
neural
correlates
of
stress
cue–induced
craving
compared
neutral
heavy
drinking
AUD
have
not
been
examined.
Thus,
this
study
prospectively
examined
these
associations
assessed
sex
differences.
Methods:
Treatment-seeking
adults
(N=77;
46
men
31
women)
completed
a
functional
MRI
task
involving
stress,
alcohol,
exposure
repeated
assessments
craving.
Most
participants
(N=72;
43
29
then
participated
an
8-week
standardized
behavioral
program,
during
which
the
percentage
days
was
assessed.
Results:
Significant
increases
both
relative
to
were
observed,
greater
alcohol-neutral
contrast
stress-neutral
among
equivalent
contrasts
women.
Whole-brain
voxel-based
regression
analyses
showed
craving-associated
hyperactivation
condition,
hypoactive
prefrontal
(ventromedial
lateral
prefrontal,
supplementary
motor,
anterior
cingulate
regions)
striatal
responses
stressful
images
(stress-neutral
contrast)
cues
(alcohol-neutral
contrast),
significant
Additionally,
higher
hypoactivation
subgenual
cortex
bed
nucleus
stria
terminalis
women,
hypothalamus
men,
hippocampus
men.
Conclusions:
Sex
differences
stress-
cue-induced
cortico-striatal-limbic
network
related
subjective
indicated
that
distinct
brain
circuits
underlie
women
These
findings
underscore
need
for
therapeutics
address
dysfunction
effectively.
JAMA Network Open,
Journal Year:
2024,
Volume and Issue:
7(6), P. e2416684 - e2416684
Published: June 18, 2024
Importance
The
Diagnostic
and
Statistical
Manual
of
Mental
Disorders,
Fifth
Edition,
Text
Revision
(
DSM-5-TR
),
recently
identified
internet
gaming
disorder
(IGD)
as
a
condition
warranting
more
research,
few
empirically
validated
treatments
exist.
Mindfulness
meditation
(MM)
has
multiple
health
benefits;
however,
its
efficacy
in
treating
IGD
potential
neural
mechanisms
underlying
MM
treatment
the
remain
largely
unknown.
Objective
To
explore
used
to
treat
adults
with
identify
MM.
Design,
Setting,
Participants
This
randomized
clinical
trial
was
performed
from
October
1
November
30,
2023,
at
Hangzhou
Normal
University
Hangzhou,
China.
Adults
(aged
≥18
years)
who
met
least
6
9
proposed
criteria
for
were
recruited
receive
either
or
progressive
muscle
relaxation
(PMR).
Data
analysis
on
December
1,
2023.
Intervention
underwent
training
(an
8-session
program
that
focuses
attention
acceptance)
PMR
8-time
body
relaxation)
delivered
groups
2
times
each
week
4
weeks.
Main
Outcomes
Measures
per-protocol
included
only
participants
finished
pretest
assessment,
8
sessions,
posttest
assessment.
main
outcomes
addiction
severity
(measured
Internet
Addiction
Test
scores),
craving
Questionnaire
Gaming
Urges
blood
oxygen
level–dependent
signals
assessed
cue-craving
tasks
fMRI.
Behavioral
brain
measurements
compared
using
variance.
Functional
connectivity
(FC)
among
regions
measured
test
changes
associated
Results
study
64
IGD.
A
total
32
received
(mean
[SD]
age,
20.3
[1.9]
years;
17
women
[53%])
20.2
[1.5]
16
[50%]).
decreased
group
(pretest
vs
posttest:
mean
[SD],
7.0
[1.1]
3.6
[0.8];
P
<
.001)
7.1
[0.9]
6.0
[0.9];
=
.04).
had
greater
decrease
than
score
change
group,
−3.6
[0.3]
−1.1
[0.2];
.001).
activation
bilateral
lentiform
nuclei
r
0.40;
95%
CI,
0.19
0.60;
.02),
insula
0.35;
0.09
.047),
medial
frontal
gyrus
(MFG;
0.43;
0.16
0.70;
.01).
Increased
MFG-lentiform
FC
58.8
[15.7]
33.6
[12.0];
t
−8.66;
ƞ
0.30;
observed
after
MM,
mediated
relationship
between
increased
mindfulness
(mediate
effect,
−0.17;
−0.32
−0.08;
.03).
Conclusions
Relevance
In
this
study,
effective
decreasing
cravings
PMR.
These
findings
indicate
may
be
an
exert
effects
by
altering
frontopallidal
pathways.
Trial
Registration
Chinese
Clinical
Registry
Identifier:
ChiCTR2300075869
Neuroscience & Biobehavioral Reviews,
Journal Year:
2023,
Volume and Issue:
152, P. 105250 - 105250
Published: May 30, 2023
Binge-Eating
Disorder
(BED)
involves
anticipatory
craving
and
urges,
subjective
loss-of-control
during
binge-eating
episodes,
post-feeding
psychological
distress
guilt.
Evidence
indicates
neurocognitive
dysfunctions
contribute
to
BED
onset,
maintenance,
treatment
response.
However,
an
integrated
understanding
of
how
cognitive
processes
underpin
symptomology
is
lacking.
We
utilised
a
multi-stage
decision-making
model
defining
ten
underpinning
Preference
Formation,
Choice
Implementation,
Feedback
Processing,
Flexibility/Shifting,
comprehensively
review
research
published
since
2013.
used
preregistered
PICOS
criteria
assess
1966
articles
identified
from
PubMed,
PsycInfo,
Scopus
database
searches.
This
yielded
50
studies
reporting
behavioural
tasks
outcomes,
comparing
individuals
with
controls
normal
higher
weight.
Meta-analyses
revealed
unique
profile
that
spanned
all
stages.
Significant
deficits
were
evident
in
Uncertainty
Evaluation,
Attentional
Inhibition,
Consistency,
Cognitive
Flexibility/Set-shifting.
propose
novel
dysfunctional
describe
their
role
behaviour.
further
highlight
the
potential
for
interventions
target
these
address
significant
gap
BED.