Organization of the human cerebral cortex estimated within individuals: networks, global topography, and function
Journal of Neurophysiology,
Journal Year:
2024,
Volume and Issue:
131(6), P. 1014 - 1082
Published: March 15, 2024
The
organization
of
cerebral
networks
was
estimated
within
individuals
with
intensive,
repeat
sampling
fMRI
data.
A
hierarchical
emerged
in
each
individual
that
delineated
first-,
second-,
and
third-order
cortical
networks.
Regions
distinct
association
consistently
exhibited
side-by-side
juxtapositions
repeated
across
multiple
zones,
clear
robust
functional
specialization
among
the
embedded
regions.
Language: Английский
Situating the salience and parietal memory networks in the context of multiple parallel distributed networks using precision functional mapping
Cell Reports,
Journal Year:
2025,
Volume and Issue:
44(1), P. 115207 - 115207
Published: Jan. 1, 2025
Language: Английский
Evidence for convergence of distributed cortical processing in band-like functional zones in human entorhinal cortex
Current Biology,
Journal Year:
2024,
Volume and Issue:
34(23), P. 5457 - 5469.e2
Published: Nov. 1, 2024
Language: Английский
Frequency-specific directed connectivity between the hippocampus and parietal cortex during verbal and spatial episodic memory: an intracranial EEG replication
Cerebral Cortex,
Journal Year:
2024,
Volume and Issue:
34(7)
Published: July 1, 2024
Abstract
Hippocampus-parietal
cortex
circuits
are
thought
to
play
a
crucial
role
in
memory
and
attention,
but
their
neural
basis
remains
poorly
understood.
We
employed
intracranial
electroencephalography
(iEEG)
investigate
the
neurophysiological
underpinning
of
these
across
three
tasks
spanning
verbal
spatial
domains.
uncovered
consistent
pattern
higher
causal
directed
connectivity
from
hippocampus
both
lateral
parietal
(supramarginal
angular
gyrus)
medial
(posterior
cingulate
cortex)
delta–theta
band
during
encoding
recall.
This
was
independent
activation
or
suppression
states
cortex.
Crucially,
supramarginal
gyrus
enhanced
participants
with
recall,
highlighting
its
behavioral
significance.
Our
findings
align
attention-to-memory
model,
which
posits
that
attention
directs
cognitive
resources
toward
pertinent
information
formation.
The
robustness
results
demonstrated
through
Bayesian
replication
analysis
recall
periods
tasks.
study
sheds
light
on
casual
signaling
within
hippocampus–parietal
circuits,
broadening
our
understanding
critical
roles
human
cognition.
Language: Английский
Ventral Striatum is Preferentially Correlated with the Salience Network Including Regions in Dorsolateral Prefrontal Cortex
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 13, 2024
The
ventral
striatum
(VS)
receives
input
from
the
cerebral
cortex
and
is
modulated
by
midbrain
dopaminergic
projections
in
support
of
processing
reward
motivation.
Here
we
explored
organization
cortical
regions
linked
to
human
VS
using
within-individual
functional
connectivity
MRI
intensively
scanned
participants.
In
two
initial
participants
(scanned
31
sessions
each),
seed
were
preferentially
correlated
with
distributed
that
are
part
Salience
(SAL)
network.
region
recapitulated
SAL
network
topography
each
individual
including
anterior
posterior
midline
regions,
insula,
dorsolateral
prefrontal
(DLPFC)
–
a
was
distinct
nearby
striatal
region.
DLPFC
positioned
adjacent
associated
domain-flexible
cognitive
control.
full
pattern
replicated
independent
data
same
individuals
generalized
15
novel
8
or
more
each).
These
results
suggest
forms
cortico-basal
ganglia
loop
as
neuromodulatory
target
treat
major
depressive
disorder.
present
raise
possibility
may
be
an
effective
because
its
preferential
coupling
suggests
path
toward
further
personalization.
Language: Английский