Complementary benefits of multivariate and hierarchical models for identifying individual differences in cognitive control
Imaging Neuroscience,
Journal Year:
2025,
Volume and Issue:
3
Published: Jan. 1, 2025
Abstract
Understanding
individual
differences
in
cognitive
control
is
a
central
goal
psychology
and
neuroscience.
Reliably
measuring
these
differences,
however,
has
proven
extremely
challenging,
at
least
when
using
standard
measures
neuroscience
such
as
response
times
or
task-based
fMRI
activity.
While
prior
work
pinpointed
the
source
of
issue—the
vast
amount
cross-trial
variability
within
measures—solutions
remain
elusive.
Here,
we
propose
one
potential
way
forward:
an
analytic
framework
that
combines
hierarchical
Bayesian
modeling
with
multivariate
decoding
trial-level
data.
Using
this
longitudinal
data
from
Dual
Mechanisms
Cognitive
Control
project,
estimated
individuals’
neural
responses
associated
color-word
Stroop
task,
then
assessed
reliability
across
time
interval
several
months.
We
show
many
prefrontal
parietal
brain
regions,
test–retest
was
near
maximal,
only
models
were
able
to
reveal
state
affairs.
Further,
compared
traditional
univariate
contrasts,
enabled
individual-level
correlations
be
significantly
greater
precision.
specifically
link
improvements
precision
optimized
suppression
decoding.
Together,
findings
not
indicate
control-related
individuate
people
highly
stable
manner
time,
but
also
suggest
integrating
provides
powerful
approach
for
investigating
control,
can
effectively
address
issue
high-variability
measures.
Language: Английский
Group-to-Individual Generalizability and Individual-Level Inferences in Cognitive Neuroscience
Neuroscience & Biobehavioral Reviews,
Journal Year:
2025,
Volume and Issue:
unknown, P. 106024 - 106024
Published: Jan. 1, 2025
Language: Английский
Origins of food selectivity in human visual cortex
Trends in Neurosciences,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 1, 2025
Language: Английский
The Oomplet dataset toolkit as a flexible and extensible system for large-scale, multi-category image generation
John P. Kasarda,
No information about this author
Angela Zhang,
No information about this author
Hua Tong
No information about this author
et al.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: March 18, 2025
The
modern
study
of
perceptual
learning
across
humans,
non-human
animals,
and
artificial
agents
requires
large-scale
datasets
with
flexible,
customizable,
controllable
features
for
distinguishing
between
categories.
To
support
this
research,
we
developed
the
Oomplet
Dataset
Toolkit
(ODT),
an
open-source,
publicly
available
toolbox
capable
generating
9.1
million
unique
visual
stimuli
ten
feature
dimensions.
Each
stimulus
is
a
cartoon-like
humanoid
character,
termed
"Oomplet,"
designed
to
be
instance
within
clearly
defined
categories
that
are
engaging
suitable
use
diverse
groups,
including
children.
Experiments
show
adults
can
four
five
dimensions
as
single
classification
criteria
in
simple
discrimination
tasks,
underscoring
toolkit's
flexibility.
With
ODT,
researchers
dynamically
generate
large,
novel
sets
biological
contexts.
Language: Английский
Individual differences in prefrontal coding of visual features
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 10, 2024
Abstract
Each
of
us
perceives
the
world
differently.
What
may
underlie
such
individual
differences
in
perception?
Here,
we
characterize
lateral
prefrontal
cortex’s
role
vision
using
computational
models,
with
a
specific
focus
on
differences.
Using
7T
fMRI
dataset,
found
that
encoding
models
relating
visual
features
extracted
from
deep
neural
network
to
brain
responses
natural
images
robustly
predict
patches
LPFC.
We
then
explored
representational
structures
and
screened
for
high
predicted
observed
more
substantial
coding
schemes
LPFC
compared
regions.
Computational
modeling
suggests
amplified
could
result
random
projection
between
sensory
high-level
regions
underlying
flexible
working
memory.
Our
study
demonstrates
under-appreciated
processing
idiosyncrasies
how
different
individuals
experience
world.
Language: Английский
Complementary benefits of multivariate and hierarchical models for identifying individual differences in cognitive control
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 28, 2024
Understanding
individual
differences
in
cognitive
control
is
a
central
goal
psychology
and
neuroscience.
Reliably
measuring
these
differences,
however,
has
proven
extremely
challenging,
at
least
when
using
standard
measures
neuroscience
such
as
response
times
or
task-based
fMRI
activity.
While
prior
work
pinpointed
the
source
of
issue
-
vast
amount
cross-trial
variability
within
solutions
remain
elusive.
Here,
we
propose
one
potential
way
forward:
an
analytic
framework
that
combines
hierarchical
Bayesian
modeling
with
multivariate
decoding
trial-level
data.
Using
this
longitudinal
data
from
Dual
Mechanisms
Cognitive
Control
project,
estimated
individuals'
neural
responses
associated
color-word
Stroop
task,
then
assessed
reliability
across
time
interval
several
months.
We
show
many
prefrontal
parietal
brain
regions,
test-retest
was
near
maximal,
only
models
were
able
to
reveal
state
affairs.
Further,
compared
traditional
univariate
contrasts,
enabled
individual-level
correlations
be
significantly
greater
precision.
specifically
link
improvements
precision
optimized
suppression
decoding.
Together,
findings
not
indicate
control-related
individuate
people
highly
stable
manner
time,
but
also
suggest
integrating
provides
powerful
approach
for
investigating
control,
can
effectively
address
high-variability
measures.
Language: Английский