The different mediation role of habit features between intolerance of uncertainty and psychopathological symptom dimensions: A transdiagnostic perspective
Chenyu Yuan,
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Yinqing Fan,
No information about this author
Chaoyi Wu
No information about this author
et al.
Journal of Affective Disorders,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 1, 2025
Language: Английский
Distinct cognitive and functional connectivity features from healthy cohorts inform clinical obsessive-compulsive disorder
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 3, 2024
Improving
diagnostic
accuracy
of
obsessive-compulsive
disorder
(OCD)
using
models
brain
imaging
data
is
a
key
goal
the
field,
but
this
objective
challenging
due
to
limited
size
and
phenotypic
depth
clinical
datasets.
Leveraging
diversity
in
large
non-clinical
datasets
such
as
UK
Biobank
(UKBB),
offers
potential
solution
problem.
Nevertheless,
it
remains
unclear
whether
classification
trained
on
populations
will
generalise
individuals
with
OCD.
This
question
also
relevant
for
conceptualisation
OCD;
specifically,
symptomology
OCD
exists
continuum
from
normal
pathological.
Here,
we
examined
recently
published
"meta-matching"
model
functional
connectivity
five
normative
(N=45,507)
predict
cognitive,
health
demographic
variables.
Specifically,
tested
could
classify
status
three
independent
(N=345).
We
found
that
identify
out-of-sample
individuals.
Notably,
most
predictive
features
mapped
onto
known
cortico-striatal
abnormalities
correlated
genetic
expression
maps
previously
implicated
disorder.
Further,
meta-matching
relied
upon
estimates
cognitive
functions,
flexibility
inhibition,
successfully
These
findings
suggest
variability
behavioural
can
discriminate
status.
results
support
dimensional
transdiagnostic
basis
OCD,
implications
research
approaches
treatment
targets.
Language: Английский
Validation of the Dutch version of the Creature of Habit Scale (COHS): a self-report measure of the tendency for habitual behavior in daily life
Hanne Dewaelle,
No information about this author
Tom Verguts,
No information about this author
Elise Lesage
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et al.
Published: Jan. 3, 2024
Many
of
our
everyday
actions
are
made
habitually,
without
conscious
deliberation
or
weighing
alternative
actions.
Habits
efficient,
but
difficult
to
break.
People
differ
in
their
tendency
form
habits,
and
these
differences
may
relate
an
individual’s
risk
disorders
compulsivity,
which
associated
with
such
as
obsessive-compulsive
disorder
substance
abuse
disorders.
To
assess
the
individual
for
habit
formation,
Ersche
et
al.
(2017)
developed
Creature
scale
(COHS)
measures
habitual
behavior
life,
broken
down
into
subscales
automatisms
routines.
Impulsivity
compulsivity
thought
be
subscales.
Here,
we
carry
out
a
preregistered
validation
Dutch
translation
COHS
Dutch-speaking
sample
(N=411).
An
exploratory
factor
analysis
replicated
original
distinction
between
scales
automatism
routine.
A
further
confirmatory
relationship
traits
impulsivity
compulsivity.
Finally,
explored
problematic
alcohol
use.
We
conclude
that
version
Habit
Scale
can
used
routine
automaticity
population.
Language: Английский
Comparative Roles of the Caudate and Putamen in the Serial Order of Behavior: Effects of Striatal Glutamate Receptor Blockade on Variable versus Fixed Spatial Self-Ordered Sequencing in Marmosets
eNeuro,
Journal Year:
2024,
Volume and Issue:
11(3), P. ENEURO.0541 - 23.2024
Published: March 1, 2024
Self-ordered
sequencing
is
an
important
executive
function
involving
planning
and
executing
a
series
of
steps
to
achieve
goal-directed
outcomes.
The
lateral
frontal
cortex
implicated
in
this
behavior,
but
downstream
striatal
outputs
remain
relatively
unexplored.
We
trained
marmosets
on
three-stimulus
self-ordered
spatial
task
using
touch-sensitive
screen
explore
the
role
caudate
nucleus
putamen
random
fixed
response
arrays.
By
transiently
blocking
glutamatergic
inputs
these
regions,
intrastriatal
CNQX
microinfusions,
we
demonstrate
that
are
both
required
for,
contribute
differently
to,
flexible
sequencing.
into
either
or
impaired
variable
array
accuracy,
infusions
simultaneously
elicited
greater
impairment.
demonstrated
continuous
perseverative
errors
were
caused
by
infusions,
likely
due
interference
with
putamen's
established
monitoring
motor
feedback.
Caudate
however,
did
not
affect
errors,
cause
upward
trend
recurrent
perseveration,
possibly
reflecting
caudate's
working
memory
planning.
In
contrast
performance,
while
responding,
combined
effects
additive,
suggesting
possible
competing
roles.
Infusions
region
individually,
simultaneously,
led
perseveration.
Recurrent
perseveration
arrays
was
putamen,
caudate,
infusions.
These
results
consistent
overall
responding
more
rigid
habitual
automatic
responding.
Language: Английский