Physiological Reviews,
Journal Year:
2020,
Volume and Issue:
100(3), P. 1181 - 1228
Published: Feb. 20, 2020
For
more
than
one
century,
brain
processing
was
mainly
thought
in
a
localizationist
framework,
which
given
function
underpinned
by
discrete,
isolated
cortical
area,
and
with
similar
cerebral
organization
across
individuals.
However,
advances
mapping
techniques
humans
have
provided
new
insights
into
the
organizational
principles
of
anatomo-functional
architecture.
Here,
we
review
recent
findings
gained
from
neuroimaging,
electrophysiological,
as
well
lesion
studies.
Based
on
these
data
connectome,
challenge
traditional,
outdated
view
propose
an
alternative
meta-networking
theory.
This
model
holds
that
complex
cognitions
behaviors
arise
spatiotemporal
integration
distributed
but
relatively
specialized
networks
underlying
conation
cognition
(e.g.,
language,
spatial
cognition).
Dynamic
interactions
between
such
circuits
result
perpetual
succession
equilibrium
states,
opening
door
to
considerable
interindividual
behavioral
variability
neuroplastic
phenomena.
Indeed,
underlies
uniquely
human
propensity
learn
abilities,
also
explains
how
postlesional
reshaping
can
lead
some
degrees
functional
compensation
brain-damaged
patients.
We
discuss
major
implications
this
approach
fundamental
neurosciences
for
clinical
developments,
especially
neurology,
psychiatry,
neurorehabilitation,
restorative
neurosurgery.
Proceedings of the National Academy of Sciences,
Journal Year:
2017,
Volume and Issue:
114(48), P. 12827 - 12832
Published: Oct. 30, 2017
The
brain
recruits
neuronal
populations
in
a
temporally
coordinated
manner
task
and
at
rest.
However,
the
extent
to
which
large-scale
networks
exhibit
their
own
organized
temporal
dynamics
is
unclear.
We
use
an
approach
designed
find
repeating
network
patterns
whole-brain
resting
fMRI
data,
where
are
defined
as
graphs
of
interacting
areas.
that
transitions
between
nonrandom,
with
certain
more
likely
occur
after
others.
Further,
this
nonrandom
sequencing
itself
hierarchically
organized,
revealing
two
distinct
sets
networks,
or
metastates,
has
tendency
cycle
within.
One
metastate
associated
sensory
motor
regions,
other
involves
areas
related
higher
order
cognition.
Moreover,
we
proportion
time
subject
spends
each
consistent
subject-specific
measure,
heritable,
shows
significant
relationship
cognitive
traits.
Network Neuroscience,
Journal Year:
2019,
Volume and Issue:
4(1), P. 30 - 69
Published: Dec. 16, 2019
The
brain
is
a
complex,
multiscale
dynamical
system
composed
of
many
interacting
regions.
Knowledge
the
spatiotemporal
organization
these
interactions
critical
for
establishing
solid
understanding
brain's
functional
architecture
and
relationship
between
neural
dynamics
cognition
in
health
disease.
possibility
studying
through
careful
analysis
neuroimaging
data
has
catalyzed
substantial
interest
methods
that
estimate
time-resolved
fluctuations
connectivity
(often
referred
to
as
"dynamic"
or
time-varying
connectivity;
TVFC).
At
same
time,
debates
have
emerged
regarding
application
TVFC
analyses
resting
fMRI
data,
about
statistical
validity,
physiological
origins,
cognitive
behavioral
relevance
TVFC.
These
other
unresolved
issues
complicate
interpretation
findings
limit
insights
can
be
gained
from
this
promising
new
research
area.
This
article
brings
together
scientists
with
variety
perspectives
on
review
current
literature
light
issues.
We
introduce
core
concepts,
define
key
terms,
summarize
controversies
open
questions,
present
forward-looking
perspective
how
rigorously
productively
applied
investigate
wide
range
questions
systems
neuroscience.
Trends in Cognitive Sciences,
Journal Year:
2017,
Volume and Issue:
21(12), P. 981 - 996
Published: Nov. 1, 2017
The
organization
of
the
brain
network
enables
its
function.
Evaluation
this
has
revealed
that
large-scale
networks
consist
multiple
segregated
subnetworks
interacting
areas.
Descriptions
resting-state
architecture
have
provided
clues
for
understanding
functional
significance
these
subnetworks,
many
which
correspond
to
distinct
systems.
present
report
synthesizes
accumulating
evidence
reveal
how
maintaining
systems
renders
human
functionally
specialized,
adaptable
task
demands,
and
largely
resilient
following
focal
damage.
organizational
properties
support
system
segregation
are
harmonious
with
promote
integration
across
network,
but
confer
unique
important
features
central
function
behavior.
Communications Biology,
Journal Year:
2019,
Volume and Issue:
2(1)
Published: Oct. 10, 2019
Abstract
The
brain
is
constituted
of
multiple
networks
functionally
correlated
areas,
out
which
the
default-mode
network
(DMN)
largest.
Most
existing
research
into
DMN
has
taken
a
corticocentric
approach.
Despite
its
resemblance
with
unitary
model
limbic
system,
contribution
subcortical
structures
to
may
be
underappreciated.
Here,
we
propose
more
comprehensive
neuroanatomical
including
such
as
basal
forebrain,
cholinergic
nuclei,
anterior
and
mediodorsal
thalamic
nuclei.
Additionally,
tractography
diffusion-weighted
imaging
was
employed
explore
structural
connectivity,
revealed
that
thalamus
forebrain
are
central
importance
for
functioning
DMN.
these
neurochemically
diverse
nuclei
reconciles
previous
neuroimaging
neuropathological
findings
in
diseased
brains
offers
potential
identifying
conserved
homologue
other
mammalian
species.
Trends in Cognitive Sciences,
Journal Year:
2017,
Volume and Issue:
22(1), P. 8 - 20
Published: Nov. 21, 2017
TrendsAccumulating
evidence
from
network
neuroscience
indicates
that
g
depends
on
the
dynamic
reorganization
of
brain
networks,
modifying
their
topology
and
community
structure
in
service
system-wide
flexibility
adaptation.Whereas
crystallized
intelligence
engages
easy-to-reach
states
access
prior
knowledge
experience,
fluid
recruits
difficult-to-reach
support
cognitive
adaptive
problem-solving.The
capacity
to
flexibly
transition
between
networks
therefore
provides
basis
for
–
enabling
rapid
information
exchange
across
capturing
individual
differences
processing
at
a
global
level.This
framework
sets
stage
new
approaches
understanding
neural
foundations
g,
examining
dynamics.AbstractAn
enduring
aim
research
psychological
sciences
is
understand
nature
human
intelligence,
stunning
breadth
diversity
intellectual
abilities
remarkable
neurobiological
mechanisms
which
they
arise.
This
Opinion
article
surveys
recent
elucidate
how
general
emerges
architecture
brain.
The
reviewed
findings
motivate
insights
about
dynamics
account
represented
by
Network
Neuroscience
Theory.
According
this
framework,
small-world
its
adaptation.