BACKGROUND
The
pursuit
of
sleep
quality
has
become
an
important
aspect
people’s
global
quest
for
overall
health.
However,
the
objective
neurobiological
features
corresponding
to
subjective
perceptions
remain
poorly
understood.
Although
previous
studies
have
investigated
relationship
between
electroencephalogram
(EEG)
and
sleep,
lack
longitudinal
follow-up
raises
doubts
about
reproducibility
their
findings.
OBJECTIVE
Currently,
there
is
a
gap
in
research
regarding
stable
associations
EEG
data
assessed
through
multiple
collection
sessions,
which
could
help
identify
potential
targets
related
quality.
METHODS
In
this
study,
we
used
portable
device
collect
resting-state
prefrontal
cortex
over
3-month
period
from
42
participants
(27
first
month,
25
second
40
third
month).
Each
participants’
was
using
Pittsburgh
Sleep
Quality
Index
(PSQI)
estimate
recent
RESULTS
We
found
that
significant
consistent
positive
correlation
low
α
band
activity
PSQI
scores
(<i>r</i>=0.45,
<i>P</i><.001).
More
importantly,
remained
across
all
recordings
(<i>P</i><.05),
regardless
whether
considered
same
cohort
or
expanded
sample
size.
Furthermore,
discovered
periodic
component
primarily
contributed
association
with
PSQI.
CONCLUSIONS
These
findings
represent
identification
reliable
target
sessions.
Our
results
provide
solid
foundation
future
applications
devices
monitoring
screening
disorders
broad
population.
Frontiers in Neuroscience,
Год журнала:
2025,
Номер
18
Опубликована: Янв. 7, 2025
Neural
oscillations
serve
as
a
crucial
biological
bridge
between
the
micro
and
macro
levels
of
brain
activity
(Han
et
al.,
2021a;Buzsáki
Vöröslakos,
2023).
These
play
key
roles
in
various
functions
2021c;Lin
2024).
Moreover,
abnormal
neural
are
recognized
potentially
influential
factors
development
wide
range
mental
disorders
2022a;Wang
2024;Zikereya
However,
our
understanding
mechanisms
underlying
their
functional
different
cognitive
remains
limited.
Through
this
research
topic,
10
related
papers
field
published,
including
review
aspects.
Although
we
have
not
yet
been
able
to
fully
answer
question
oscillation
mechanisms,
these
studies
nonetheless
made
significant
progress,
advancing
step
by
towards
goal.Mood
increasingly
receiving
attention
from
researchers
(major
depression
diorder
(MDD)
or
bipolar
disorder(BD)).
In
there
seven
involving
mood
disorders,
which
provide
deeper
insights
into
oscillatory
mechanisms.
Liu
al
(link)
analyzed
EEG
signals
enhance
diagnosis
MDD.
By
examining
resting-state
under
both
eyes-closed
eyes-open
conditions,
asymmetries
band
power
hemispheres
were
predictors
This
multi-region,
multicondition
approach
improves
diagnostic
accuracy
for
MDD,
suggesting
could
be
valuable
tool
objective
MDD
treatment
planning.
Zhang
explores
how
alpha
medial
occipital
cortex
(MOC)
mediate
relationship
severity
suicide
risk
It
found
that
higher
increases
risk,
while
greater
MOC
serves
protective
factor.
Specifically,
partially
mediates
effect
on
with
decrease
linked
risk.
Wang
investigates
alterations
connectivity
(FC)
individuals
compared
healthy
controls
(HCs).
Using
phase
locking
value
(PLV)
analysis
across
five
frequency
bands
(theta,
alpha,
beta),
study
lower
FC
patients
certain
regions,
notably
right
temporal-left
cortex.
No
correlation
was
differences
severity.
The
suggests
EEG-based
promising
diagnosis.
Su
reviews
latest
(rsEEG)
findings
BD,
highlighting
multiple
(delta,
theta,
beta,
gamma),
often
marked
increased
power.
abnormalities
suggest
widespread
dysfunction.
showed
more
variability,
influenced
disease
sample
diversity.
stresses
importance
standardized
experimental
designs,
considering
like
gender,
age,
medication,
methodology.
help
improve
BD
treatment.Moreover,
animal
experiments
gamma-band
activities
also
contribute
lot
2021b(Han
,
2022b)),
Bergosh
use
ketamine
(KET)
prefrontal
deep
stimulation
(mPFC
DBS)
treatments
rodent
model.
examines
electrophysiological
biomarkers,
such
spectral
parameters
entropy
local
potentials
(LFP),
correlate
antidepressant-like
behaviors.
Results
changes
theta
gamma
activity,
along
entropy,
may
biomarkers
efficacy,
supporting
KET
mPFC
DBS
potential
therapeutic
strategies.
Neuhausel
Gerevich
sexspecific
effects
NMDA
receptor
antagonist
MK-801
hippocampal
rats.
finds
female
rats
sensitive
MK-801,
showing
power,
impaired
recognition
memory,
stereotypic
contrast,
male
did
exhibit
changes,
sex
pharmacological
antagonists,
inform
future
neuropsychiatric
schizophrenia
depression.In
recent
years,
physical
has
attracted
increasing
(Wang
2022).
it
is
still
understood
types
exercise.
two
relevant
deserve
attention.
Li
exercise
(PE),
aerobic
resistance
training,
promotes
plasticity
through
oscillations.
PE
enhances
function
modulating
especially
delta,
gamma.
Exercise
neurotrophic
BDNF
IGF-1,
support
structures
hippocampus
emphasizes
exercise,
mind-body
practices,
affect
offering
age-related
decline
neurodegenerative
diseases.
Peng
Beta-band
corticomuscular
coherence
(Beta-CMC),
refers
synchronization
muscle
during
movement.
Beta
(12-30
Hz)
motor
control,
influencing
movement
planning
execution.
discusses
Beta-CMC's
role
conditions
rehabilitation,
athletic
performance.
highlights
sensorimotor
system
clinical
applications,
particularly
neurofeedback
personalized
neuromodulation,
aiming
outcomes.In
sum,
topic
provides
new
complex
context
models,
much
understood,
significantly
knowledge
offer
directions.
Journal of Medical Internet Research,
Год журнала:
2025,
Номер
27, С. e67188 - e67188
Опубликована: Март 10, 2025
Background
The
pursuit
of
sleep
quality
has
become
an
important
aspect
people’s
global
quest
for
overall
health.
However,
the
objective
neurobiological
features
corresponding
to
subjective
perceptions
remain
poorly
understood.
Although
previous
studies
have
investigated
relationship
between
electroencephalogram
(EEG)
and
sleep,
lack
longitudinal
follow-up
raises
doubts
about
reproducibility
their
findings.
Objective
Currently,
there
is
a
gap
in
research
regarding
stable
associations
EEG
data
assessed
through
multiple
collection
sessions,
which
could
help
identify
potential
targets
related
quality.
Methods
In
this
study,
we
used
portable
device
collect
resting-state
prefrontal
cortex
over
3-month
period
from
42
participants
(27
first
month,
25
second
40
third
month).
Each
participants’
was
using
Pittsburgh
Sleep
Quality
Index
(PSQI)
estimate
recent
Results
We
found
that
significant
consistent
positive
correlation
low
α
band
activity
PSQI
scores
(r=0.45,
P<.001).
More
importantly,
remained
across
all
recordings
(P<.05),
regardless
whether
considered
same
cohort
or
expanded
sample
size.
Furthermore,
discovered
periodic
component
primarily
contributed
association
with
PSQI.
Conclusions
These
findings
represent
identification
reliable
target
sessions.
Our
results
provide
solid
foundation
future
applications
devices
monitoring
screening
disorders
broad
population.
CNS Neuroscience & Therapeutics,
Год журнала:
2025,
Номер
31(2)
Опубликована: Фев. 1, 2025
ABSTRACT
Background
Anesthesia
is
featured
by
behavioral
and
physiological
characteristics
such
as
decreased
sensory
motor
function,
loss
of
consciousness,
etc.
Some
anesthetics
dexmedetomidine
(DEX),
induce
electroencephalogram
signatures
close
to
non‐rapid
eye
movement
sleep.
Studies
have
shown
that
sleep
primarily
driven
the
activation
subcortical
sleep‐promoting
neural
pathways.
Aims
However,
neuronal
level
electrophysiology
features
anesthesia
how
they
differ
from
still
not
fully
understood.
Materials
Methods
In
present
study,
we
recorded
activity
simultaneously
somatosensory
cortex
(S1)
(M1)
during
awake,
sleep,
DEX‐induced
in
rats.
Results
The
results
show
DEX
increased
local
field
potential
(LFP)
power
across
a
relatively
wide
band
(1–25
Hz)
both
S1
M1.
coherence
between
LFP
M1
significantly
delta
alpha
bands.
Power
spectrum
analysis
revealed
high
bands,
but
low
theta
beta
Overall,
firing
rate
individual
neurons
after
DEX.
Correlation
indicate
more
were
correlated,
either
positively
or
negatively,
with
LFPs
compared
Discussion
Although
these
showed
enhancement
cortical
different
patterns
spike‐field
correlation
suggest
two
states
may
be
regulated
mechanisms.
Conclusion
Distinguishing
oscillations
could
lead
personalized,
safer,
effective
approaches
managing
consciousness
medical
settings,
for
broad
applications
neuroscience
clinical
practice.
Frontiers in Neuroscience,
Год журнала:
2024,
Номер
18
Опубликована: Авг. 8, 2024
The
global
recognition
of
the
importance
physical
exercise
(PE)
for
human
health
has
resulted
in
increased
research
on
its
effects
cortical
activity.
Neural
oscillations,
which
are
prominent
features
brain
activity,
serve
as
crucial
indicators
studying
PE
function.
Existing
studies
support
idea
that
modifies
various
types
neural
oscillations.
While
EEG-related
literature
science
exists,
a
comprehensive
review
specifically
healthy
populations
not
yet
been
conducted.
Given
demonstrated
influence
plasticity,
particularly
oscillatory
it
is
imperative
to
consolidate
this
phenomenon.
Therefore,
aims
summarize
numerous
neuromodulatory
mechanisms
over
past
decade,
covering
(1)
resistance
and
aerobic
training
via
oscillations;
(2)
how
mind-body
affects
activity
cognitive
functioning;
(3)
age-Related
neurodegenerative
disease
rehabilitation
oscillation
mechanisms;
(4)
conclusion
future
direction.
In
conclusion,
effect
multifaceted
process,
seeks
comprehensively
examine
existing
studies'
understanding
regulates
brain,
providing
more
scientific
theoretical
foundation
development
personalized
programs
further
research.
Frontiers in Neuroscience,
Год журнала:
2024,
Номер
18
Опубликована: Авг. 15, 2024
Beta-band
activity
in
the
sensorimotor
cortex
is
considered
a
potential
biomarker
for
evaluating
motor
functions.
The
intricate
connection
between
brain
and
muscle
(corticomuscular
coherence),
especially
beta
band,
was
found
to
be
modulated
by
multiple
demands.
This
coherence
also
showed
abnormality
motion-related
disorders.
However,
although
there
has
been
substantial
accumulation
of
experimental
evidence,
neural
mechanisms
underlie
corticomuscular
coupling
band
are
not
yet
fully
clear,
some
still
matter
controversy.
In
this
review,
we
summarized
findings
on
impact
conditions
(sports,
exercise
training,
injury
recovery,
human
functional
restoration,
neurodegenerative
diseases,
age-related
changes,
cognitive
functions,
pain
fatigue,
clinical
applications),
pointed
out
several
future
directions
scientific
questions
currently
unsolved.
conclusion,
an
in-depth
study
only
elucidates
control
but
offers
new
insights
methodologies
diagnosis
treatment
rehabilitation
related
Understanding
these
can
lead
personalized
neuromodulation
strategies
real-time
neurofeedback
systems,
optimizing
interventions
based
individual
neurophysiological
profiles.
approach
significantly
improve
therapeutic
outcomes
athletic
performance
addressing
unique
needs
each
individual.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Ноя. 4, 2024
Alpha
oscillations
are
associated
with
various
psychiatric
disorders,
many
studies
focusing
on
the
prefrontal
cortex,
where
transcranial
alternating
current
stimulation
(TACS)
is
applied
in
alpha
frequency
band.
This
approach
often
involves
selecting
individualized
frequencies
to
resonate
their
endogenous
oscillations.
While
strong
(8–13
Hz)
typically
induced
when
eyes
closed,
they
can
also
occur
during
resting
state
open.
However,
it
remains
unclear
whether
these
share
a
common
neural
generation
mechanism.
Exploring
which
of
more
suitable
as
stable
peak
question
significant
interest.
Therefore,
systematically
study
this
issue,
we
specifically
collected
resting-state
electroencephalographic
(EEG)
data
from
region
40
individuals,
under
both
eyes-open
and
closed-
eye
conditions,
multiple
follow-ups
extending
up
nine
months.
Through
spectral
analysis
each
person's
entire
dataset
averaging
results,
observed
positive
correlation
between
alpha-band
power
eyes-closed
states,
terms
absolute
relative
power.
Further
revealed
that
was
primarily
contributed
by
periodic
activity
within
Upon
modelling
oscillatory
components,
discovered
distinct
differences
characteristics-such
number
sub-oscillations
state.
Our
first
explored
relationship
cortex
identifying
shared
part
mechanism
some
mechanisms
unique
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 17, 2025
Abstract
Romantic
relationships
are
integral
to
human
experience,
with
most
individuals
encountering
them
at
some
point
in
their
lives.
The
neural
mechanisms
of
romantic
have
gradually
gained
attention.
However,
existing
studies
mainly
focused
on
the
cross-sectional
level,
and
longitudinal
research
is
not
sufficient,
especially
regarding
early
stages
when
couples
first
enter
a
relationship.
brain's
transition
from
normal
state
honeymoon
phase
love
remains
poorly
understood.
To
answer
this
question,
we,
authors,
used
ourselves
as
subjects;
after
confirming
our
relationship,
we
employed
portable
electroencephalography
(EEG)
record
activity
prefrontal
cortex
during
resting
states
(both
eyes
open
closed).
Data
collection
occurred
irregularly
over
period
around
two
months,
resulting
13
EEG
data
trials
per
individual.
We
found
that
there
was
consistent
decrease
high
alpha
band
under
closed-eye
for
both
us
two-month
period,
suggesting
potential
correlation
changes
stage
Further
analysis
revealed
driven
by
periodic
components
rather
than
non-periodic
components.
This
study
reveal
significant
change
oscillatory
couple
initial
months
which
will
further
impact
understanding
mechanism
sub-oscillations
application
emotions
process.
