Gamma
oscillations
are
known
to
play
a
critical
role
in
memory
and
cognition
tasks.
The
quality
of
neural
activity
this
oscillatory
band
is
impaired
due
Alzheimer's
disease
(AD)
dementia.
Recently,
promoting
gamma
through
sensory
stimulation
has
shown
promising
therapeutic
results
reducing
structural
cognitive
symptoms
AD.
Further
analysis
on
the
effects
entrainment
brain's
could
help
better
understand
mechanisms
underlying
observed
improvements
optimize
protocols
for
achieving
outcome.
In
study,
we
investigate
40Hz
auditory
brain
synchronizing
frontoparietal
based
electroencephalogram
data
recorded
from
cohort
elderly
participants
with
complaints.
We
that
entrained
encompasses
entire
scalp
most
responsive
regions
frontal
parietal
lobes.
addition,
synchronized
synchronization
correlated
strength
entrainment.
other
word,
highly
sites
cortices
present
between
these
two
regions.
Long
distance
across
can
improve
functional
connectivity
disrupted
network-level
coordination
responsible
high-level
operations.
Molecular Neurodegeneration,
Journal Year:
2024,
Volume and Issue:
19(1)
Published: Dec. 18, 2024
Abstract
Neuronal
oscillations
refer
to
rhythmic
and
periodic
fluctuations
of
electrical
activity
in
the
central
nervous
system
that
arise
from
cellular
properties
diverse
neuronal
populations
their
interactions.
Specifically,
gamma
play
a
crucial
role
governing
connectivity
between
distinct
brain
regions,
which
are
essential
perception,
motor
control,
memory,
emotions.
In
this
context,
we
recapitulate
various
current
stimulation
methods
induce
entrainment.
These
include
sensory
stimulation,
optogenetic
modulation,
photobiomodulation,
transcranial
or
magnetic
stimulation.
Simultaneously,
explore
association
abnormal
disorders
such
as
Alzheimer’s
disease,
Parkinson’s
stroke,
schizophrenia,
autism
spectrum
disorders.
Evidence
suggests
entrainment-inducing
offer
notable
neuroprotection,
although
somewhat
controversial.
This
review
comprehensively
discusses
functional
higher-order
activities
both
physiological
pathological
perspectives,
emphasizing
entrainment
potential
therapeutic
approach
for
neuropsychiatric
Additionally,
discuss
future
opportunities
challenges
implementing
strategies.
Brain Sciences,
Journal Year:
2024,
Volume and Issue:
15(1), P. 3 - 3
Published: Dec. 24, 2024
The
human
sensorimotor
system
can
naturally
synchronize
with
environmental
rhythms,
such
as
light
pulses
or
sound
beats.
Several
studies
showed
that
different
styles
and
tempos
of
music,
other
rhythmic
stimuli,
have
an
impact
on
physiological
including
electrocortical
brain
activity,
heart
rate,
motor
coordination.
Such
synchronization,
also
known
the
"entrainment
effect",
has
been
identified
a
crucial
mechanism
impacting
cognitive,
motor,
affective
functioning.
This
review
examines
theoretical
empirical
contributions
to
literature
entrainment,
particular
focus
mechanisms
underlying
this
phenomenon
its
role
in
functions.
We
address
inconsistent
terminology
used
evaluate
range
measurement
approaches
assess
entrainment
phenomena.
Finally,
we
propose
definition
"physiological
entrainment"
emphasizes
fundamental
encompasses
interactions
between
body
environment,
support
information
processing
across
bodily
systems
sustain
adaptive
responses.
reviewed
recent
through
lens
"embodied
cognition"
framework,
offering
unified
perspective
entrainment.
Evidence
from
current
suggests
produces
measurable
effects,
especially
neural
oscillations,
rate
variability,
synchronization.
Eventually,
changes
cognitive
processing,
functioning,
Physiological
emerges
mind-body
connection.
Entrainment-based
interventions
may
be
promote
well-being
by
enhancing
functions,
suggesting
potential
rehabilitative
mental
health.
Gamma
oscillations
are
known
to
play
a
critical
role
in
memory
and
cognition
tasks.
The
quality
of
neural
activity
this
oscillatory
band
is
impaired
due
Alzheimer's
disease
(AD)
dementia.
Recently,
promoting
gamma
through
sensory
stimulation
has
shown
promising
therapeutic
results
reducing
structural
cognitive
symptoms
AD.
Further
analysis
on
the
effects
entrainment
brain's
could
help
better
understand
mechanisms
underlying
observed
improvements
optimize
protocols
for
achieving
outcome.
In
study,
we
investigate
40Hz
auditory
brain
synchronizing
frontoparietal
based
electroencephalogram
data
recorded
from
cohort
elderly
participants
with
complaints.
We
that
entrained
encompasses
entire
scalp
most
responsive
regions
frontal
parietal
lobes.
addition,
synchronized
synchronization
correlated
strength
entrainment.
other
word,
highly
sites
cortices
present
between
these
two
regions.
Long
distance
across
can
improve
functional
connectivity
disrupted
network-level
coordination
responsible
high-level
operations.
