Monotonically accelerated proximal gradient for nonnegative tensor decomposition
Digital Signal Processing,
Journal Year:
2025,
Volume and Issue:
161, P. 105097 - 105097
Published: Feb. 24, 2025
Variations in neuronal cytoskeletal integrity affect directed communication in distributed networks during inhibitory control
Communications Biology,
Journal Year:
2025,
Volume and Issue:
8(1)
Published: March 29, 2025
To
ensure
goal-directed
behavior
in
daily
life,
the
use
of
inhibitory
control
is
great
importance.
The
aim
this
study
to
shed
light
on
underlying
neuronal
mechanisms
and
relevance
cytoarchitectonic
integrity
it.
We
combine
sophisticated
EEG
analysis
techniques
assessing
directed
communication
between
brain
structures
with
measurements
neurofilaments
as
an
index
integrity.
show
that
extensive
theta
band
activity
related
neural
network
fronto-temporal,
parietal,
occipital
regions
active
during
response
inhibition.
Importantly,
measured
using
modulates
nonlinear
directional
connectivity,
particularly
when
complex
reconfiguration
perceptual
action
mapping
required.
thus
shows
inter-relation
different
levels
biological
functioning-the
level
neurophysiological
communication-for
emphasizes
role
connectivity
cognitive
control.
Language: Английский
Novel neural activity profiles underlying inhibitory control deficits of clinical relevance in ADHD – insights from EEG tensor decomposition
Negin Gholamipourbarogh,
No information about this author
Veit Roessner,
No information about this author
Annet Bluschke
No information about this author
et al.
Biological Psychiatry Cognitive Neuroscience and Neuroimaging,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 1, 2025
Attention-Deficit-Hyperactivity
Disorder
(ADHD)
is
a
multifaceted
neurodevelopmental
disorder
that
impacts
cognitive
control
processes.
While
neurophysiological
data
(e.g.,
EEG
data)
have
provided
valuable
insights
into
its
underlying
mechanisms,
fully
understanding
the
altered
functions
in
ADHD
requires
advanced
analytical
approaches
capable
of
capturing
highly
dimensional
nature
more
effectively.
We
examined
N=59
individuals
with
and
N=63
neurotypical
participants
using
standard
Go/Nogo
task
to
assess
response
inhibition.
used
tensor
decomposition
extract
spectral,
temporal,
spatial
trial-level
features
associated
inhibitory
deficits
ADHD.
The
capture
intra-individual
variability
which
then
machine
learning
analysis
differentiate
from
participants.
also
applied
feature
selection
algorithm
identify
most
important
for
distinguishing
between
two
groups
classification
process.
observed
typical
inhibition
Contrary
common
assumptions,
fronto-central
theta
band
activity
did
not
appear
be
individuals.
Instead,
are
components
reflecting
posterior
alpha
during
attentional
time
windows
windows.
identified
novel
facets
ADHD,
enabling
Our
findings
suggest
ADHD-related
emerge
early
persist
through
stages.
underscore
need
refine
conceptions
about
neural
peculiarities
adapt
clinical
interventions
targeting
accordingly.
Language: Английский
Directed connectivity in theta networks supports action-effect integration
NeuroImage,
Journal Year:
2024,
Volume and Issue:
305, P. 120965 - 120965
Published: Dec. 5, 2024
The
ability
to
plan
and
carry
out
goal-directed
behavior
presupposes
knowledge
about
the
contingencies
between
movements
their
effects.
Ideomotor
accounts
of
action
control
assume
that
agents
integrate
action-effect
by
creating
bindings,
which
associate
movement
patterns
with
sensory
consequences.
However,
neurophysiological
underpinnings
binding
are
not
yet
well
understood.
Given
theta
band
activity
has
been
linked
information
integration,
we
thus
studied
integration
in
an
electrophysiological
study
N=31
healthy
individuals
a
strong
focus
on
activity.
We
examined
how
functional
neuroanatomical
structures
is
exchanged
enable
planning.
show
network
encompassing
insular
cortex
(IC),
anterior
temporal
lobe
(ATL),
inferior
frontal
(IFC)
supports
establishment
bindings.
All
regions
revealed
bi-directional
effective
connectivities,
indicating
transfer
these
regions.
IC
ATL
create
loop
for
conceptual
abstraction
it.
involvement
IFC,
particularly
during
acquisition
phase
action-effect,
likely
reflects
episodic
mechanisms
past
event
defines
"template"
what
be
expected.
Taken
together,
current
findings
connect
major
cognitive
concepts.
Our
suggests
relevance
IC-ATL-IFC
network,
turn
implies
basic
ideomotor
implemented
through
connectivities
temporo-frontal
structures.
Language: Английский