Dystonia
is
the
third
most
common
movement
disorder.
It
causes
debilitating
twisting
postures
that
are
accompanied
by
repetitive
and
sometimes
intermittent
co-
or
over-contractions
of
agonist
antagonist
muscles.
Historically
diagnosed
as
a
basal
ganglia
disorder,
dystonia
increasingly
considered
network
disorder
involving
various
brain
regions
including
cerebellum.
In
certain
etiologies
dystonia,
aberrant
motor
activity
generated
in
cerebellum
abnormal
signals
then
propagate
through
“dystonia
circuit”
includes
thalamus,
ganglia,
cerebral
cortex.
Importantly,
it
has
been
reported
non-motor
defects
can
accompany
symptoms;
while
their
severity
not
always
correlated,
hypothesized
pathways
may
nevertheless
be
disrupted.
particular,
circadian
dysfunction
disordered
sleep
patient
complaints
dystonia.
Given
recent
evidence
suggesting
contains
oscillator,
displays
sleep-stage-specific
neuronal
activity,
sends
robust
long-range
projections
to
several
subcortical
involved
rhythm
regulation,
result
from
cerebellum-mediated
circuit.
Here,
we
review
linking
cerebellar
dysfunction,
involvement
sleep.
Together,
these
ideas
form
basis
for
development
improved
pharmacological
surgical
interventions
could
take
advantage
circuitry
restore
normal
function
well
(sleep)
behaviors
Frontiers in Human Neuroscience,
Год журнала:
2023,
Номер
16
Опубликована: Янв. 27, 2023
The
deep
brain
stimulation
(DBS)
Think
Tank
X
was
held
on
August
17–19,
2022
in
Orlando
FL.
session
organizers
and
moderators
were
all
women
with
the
theme
neuromodulation
.
Dr.
Helen
Mayberg
from
Mt.
Sinai,
NY
keynote
speaker.
She
discussed
milestones
her
experiences
developing
depression
DBS.
DBS
founded
2012
provides
an
open
platform
where
clinicians,
engineers
researchers
(from
industry
academia)
can
freely
discuss
current
emerging
technologies
as
well
logistical
ethical
issues
facing
field.
consensus
among
speakers
that
has
continued
to
expand
scope
however
several
indications
have
reached
“trough
of
disillusionment.”
for
considered
“re-emerging”
approaching
a
slope
enlightenment.
will
soon
re-enter
clinical
trials.
group
estimated
globally
more
than
244,000
devices
been
implanted
neurological
neuropsychiatric
disorders.
This
year’s
meeting
focused
advances
following
areas:
Europe,
Asia,
Australia;
cutting-edge
technologies,
closed
loop
DBS,
tele-health,
neuroethics,
lesion
therapy,
interventional
psychiatry,
adaptive
Journal of Neurology,
Год журнала:
2025,
Номер
272(4)
Опубликована: Март 12, 2025
Abstract
Next-generation
neurostimulators
capable
of
running
closed-loop
adaptive
deep
brain
stimulation
(aDBS)
are
about
to
enter
the
clinical
landscape
for
treatment
Parkinson’s
disease.
Already
promising
results
using
aDBS
have
been
achieved
symptoms
such
as
bradykinesia,
rigidity
and
motor
fluctuations.
However,
heterogeneity
freezing
gait
(FoG)
with
its
wide
range
presentations
exacerbation
cognitive
emotional
load
make
it
more
difficult
predict
treat.
Currently,
a
successful
strategy
ameliorate
FoG
lacks
robust
oscillatory
biomarker.
Furthermore,
technical
implementation
suppressing
an
upcoming
episode
in
real-time
represents
significant
challenge.
This
review
describes
neurophysiological
signals
underpinning
explains
how
is
currently
being
implemented.
we
offer
discussion
addressing
both
theoretical
practical
areas
that
will
need
be
resolved
if
going
able
unlock
full
potential
treat
FoG.
iScience,
Год журнала:
2022,
Номер
25(4), С. 104028 - 104028
Опубликована: Март 4, 2022
Biological
rhythms
pervade
physiology
and
pathophysiology
across
multiple
timescales.
Because
of
the
limited
sensing
algorithm
capabilities
neuromodulation
device
technology
to-date,
insight
into
influence
these
on
efficacy
bioelectronic
medicine
has
been
infeasible.
As
development
new
devices
begins
to
mitigate
previous
limitations,
we
propose
that
future
should
integrate
chronobiological
considerations
in
their
control
structures
maximize
benefits
therapy.
We
motivate
this
proposition
with
preliminary
longitudinal
data
recorded
from
patients
Parkinson's
disease
epilepsy
during
deep
brain
stimulation
therapy,
where
periodic
symptom
biomarkers
are
synchronized
sub-daily,
daily,
longer
timescale
rhythms.
suggest
a
physiological
structure
for
incorporates
time-based
adaptation
control,
locked
patient-specific
biological
rhythms,
as
an
adjunct
classical
methods
illustrate
concept
initial
results
three
our
recent
case
studies
using
chronotherapy-enabled
prototypes.
Neurobiology of Disease,
Год журнала:
2023,
Номер
182, С. 106143 - 106143
Опубликована: Май 3, 2023
Sleep
disturbances
are
highly
prevalent
in
movement
disorders,
potentially
due
to
the
malfunctioning
of
basal
ganglia
structures.
Pallidal
deep
brain
stimulation
(DBS)
has
been
widely
used
for
multiple
disorders
and
reported
improve
sleep.
We
aimed
investigate
oscillatory
pattern
pallidum
during
sleep
explore
whether
pallidal
activities
can
be
utilized
differentiate
stages,
which
could
pave
way
sleep-aware
adaptive
DBS.We
directly
recorded
over
500
h
local
field
potentials
from
39
subjects
with
(20
dystonia,
8
Huntington's
disease,
11
Parkinson's
disease).
spectrum
cortical-pallidal
coherence
were
computed
compared
across
stages.
Machine
learning
approaches
build
decoders
different
diseases
classify
stages
through
features.
Decoding
accuracy
was
further
associated
spatial
localization
pallidum.Pallidal
power
spectra
significantly
modulated
by
sleep-stage
transitions
three
disorders.
Differences
sleep-related
between
identified
non-rapid
eye
(NREM)
REM
models
using
features
decode
sleep-wake
states
90%
accuracy.
accuracies
higher
recording
sites
within
internus-pallidum
than
external-pallidum,
precited
structural
(P
<
0.0001)
functional
whole-brain
neuroimaging
connectomics.Our
findings
revealed
strong
dependent
distinctions
oscillations
sufficient
stage
decoding.
These
data
may
facilitate
development
DBS
systems
targeting
problems
that
have
broad
translational
prospects.
Brain,
Год журнала:
2023,
Номер
147(3), С. 911 - 922
Опубликована: Дек. 20, 2023
Abstract
Continuous
deep
brain
stimulation
(cDBS)
of
the
subthalamic
nucleus
(STN)
or
globus
pallidus
is
an
effective
treatment
for
motor
symptoms
Parkinson’s
disease.
The
relative
benefit
one
region
over
other
great
interest
but
cannot
usually
be
compared
in
same
patient.
Simultaneous
DBS
both
regions
may
synergistically
increase
therapeutic
benefit.
limited
by
a
lack
responsiveness
to
dynamic,
fluctuating
intrinsic
Adaptive
(aDBS)
adjusts
response
biomarkers
improve
efficacy,
side
effects,
and
efficiency.
We
combined
bilateral
STN
(dual
target
DBS)
prospective
within-participant,
clinical
trial
six
patients
with
disease
(n
=
6,
55–65
years,
n
2
females).
Dual
cDBS
was
tested
symptom
control
annually
measured
rating
scales,
on
time
without
dyskinesia,
medication
reduction.
Random
amplitude
experiments
probed
system
dynamics
estimate
parameters
aDBS.
then
implemented
proportional-plus-integral
aDBS
using
novel
distributed
(off-implant)
architecture.
In
home
setting,
we
collected
tremor
dyskinesia
scores
as
well
individualized
β
amplitudes.
reduced
Unified
Disease
Rating
Scale
(UPDRS)
greater
degree
than
either
alone
(P
<
0.05,
linear
mixed
model)
cohort.
β-oscillations
correlated
speed
hand
grasp
movements
five
participants
Pearson
correlation).
provided
insight
into
temporal
windowing
avoid
artefacts
demonstrated
correlation
between
amplitude.
Proportional
plus
integral
average
power,
while
preserving
UPDRS
III
clinic
0.28,
Wilcoxon
signed
rank),
during
blinded
testing
at
3,
P
>
ranked
sum).
power
reductions
were
slight
significant.
offer
improvement
alone.
When
proportional
aDBS,
reduced,
increased
dual
DBS.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Май 30, 2024
Abstract
Circadian
rhythms
have
been
shown
in
the
subthalamic
nucleus
(STN)
Parkinson’s
disease
(PD),
but
only
a
few
studies
focused
on
globus
pallidus
internus
(GPi).
This
retrospective
study
investigates
GPi
circadian
large
cohort
of
subjects
with
PD
(130
recordings
from
93
subjects)
activity
chronically
recorded
their
home
environment.
We
found
significant
change
between
daytime
and
nighttime
most
(82.4%),
reduction
at
56.2%
an
increase
26.2%.
higher
frequency
bands
(
>
20
Hz)
was
more
likely
to
decrease
night
patients
taking
extended-release
levodopa
medication.
Our
results
suggest
that
fluctuations
vary
across
individuals
increased
power
might
be
due
reemergence
pathological
neural
activity.
These
findings
should
considered
ensure
successful
implementation
adaptive
neurostimulation
paradigms
real-world.
NeuroImage,
Год журнала:
2022,
Номер
254, С. 119147 - 119147
Опубликована: Март 27, 2022
Subcortical
structures
are
a
relative
neurophysiological
'terra
incognita'
owing
to
their
location
within
the
skull.
While
perioperative
subcortical
sensing
has
been
performed
for
more
than
20
years,
neurophysiology
of
basal
ganglia
in
home
setting
remained
almost
unexplored.
However,
with
recent
advent
implantable
pulse
generators
(IPG)
that
able
record
neural
activity,
opportunity
chronically
local
field
potentials
(LFPs)
directly
from
electrodes
implanted
deep
brain
stimulation
opens
up.
This
allows
breakthrough
chronic
into
fundamental
research
and
clinical
practice.
In
this
review
an
extensive
overview
current
state
is
provided.
The
widespread
potential
investigational
use
discussed.
Finally,
status
future
perspectives
most
promising
application
-i.e.,
adaptive
(aDBS)-
discussed
context
movement
disorders.
development
aDBS
based
on
both
cortical
dramatically
change
practice
life
patients
several
barriers
still
stand
way
implementation.
Advancements
regarding
IPG
lead
technology,
physiomarkers,
algorithms
as
well
harnessing
artificial
intelligence,
multimodality
naturalistic
needed
bring
Acta Physiologica,
Год журнала:
2023,
Номер
238(1)
Опубликована: Март 23, 2023
Abstract
The
global
north
is
facing
an
unprecedented
rise
in
the
prevalence
of
neurodegenerative
diseases.
increasing
incidence
Parkinson's
disease
being
referred
to
as
a
pandemic.
reason
for
enormous
increase
only
partly
understood.
Lifestyle
factors
are
known
play
role,
but
they
alone
cannot
account
surge.
One
factor
that—although
recognized
important—has
not
been
explored
detail
so
far
influence
circadian
rhythms.
Sleep
and
rhythm
disruption
key
neurodegeneration,
their
occurrence
during
early
stages
suggests
causal
role
pathogenesis.
Isolated
rapid
eye
movement
(REM)
sleep
behavior
disorder
(iRBD)
has
identified
prodromal
state
α‐synucleinopathies,
such
disease,
Lewy
body
dementia,
multiple
system
atrophy
offering
window
insights
into
development
these
Even
though
REM
most
pronounced,
driven
modulated
by
timing
system,
specific
abnormalities
have
described
iRBD.
Novel
experimental
clinical
approaches
exploiting
molecular
circuitry
underlying
timekeeping
hold
promise
disentangle
some
pathophysiologic
mechanisms
α‐synucleinopathies.
In
this
review,
we
summarize
current
knowledge
on
disruptions
α‐synucleinopathies
with
emphasis
aspects
therapeutic
potentials.
These
might
contribute
our
understanding
pathogenesis
diseases
may
allow
interventions
addressing
disturbed
at
stage
disease.
Journal of Neuroscience,
Год журнала:
2023,
Номер
43(45), С. 7575 - 7586
Опубликована: Ноя. 8, 2023
Deep
brain
stimulation
(DBS)
is
an
effective
therapy
for
various
neurologic
and
neuropsychiatric
disorders,
involving
chronic
implantation
of
electrodes
into
target
regions
electrical
delivery.
Despite
its
safety
efficacy,
DBS
remains
underutilized
therapy.
Advances
in
the
field
DBS,
including
technology,
mechanistic
understanding,
applications
have
potential
to
expand
access
use
while
also
improving
clinical
outcomes.
Developments
such
as
MRI
compatibility
bidirectional
systems
capable
sensing
neural
activity
providing
therapeutic
stimulation,
enabled
advances
our
understanding
mechanisms
application.
In
this
review,
we
summarize
recent
work
exploring
modulation
networks.
We
cover
current
focusing
on
improved
programming
development
novel
paradigms
that
go
beyond
standards
many
which
are
by
sensing-enabled
DBS.
Journal of Neurology Neurosurgery & Psychiatry,
Год журнала:
2024,
Номер
unknown, С. jnnp - 332014
Опубликована: Апрель 19, 2024
Rapid
eye
movement
(REM)
sleep
behaviour
disorder
(RBD)
is
one
of
the
most
common
problems
and
represents
a
key
prodromal
marker
in
Parkinson's
disease
(PD).
It
remains
unclear
whether
how
basal
ganglia
nuclei,
structures
that
are
directly
involved
pathology
PD,
implicated
occurrence
RBD.