Neuroplasticity in Parkinson’s disease
Journal of Neural Transmission,
Год журнала:
2024,
Номер
131(11), С. 1329 - 1339
Опубликована: Авг. 5, 2024
Parkinson's
disease
(PD)
is
the
second
most
frequent
neurodegenerative
disorder,
affecting
millions
of
people
and
rapidly
increasing
over
last
decades.
Even
though
there
no
intervention
yet
to
stop
pathology,
many
efficient
treatment
methods
are
available,
including
for
patients
with
advanced
PD.
Neuroplasticity
a
fundamental
property
human
brain
adapt
both
external
changes
internal
insults
pathological
processes.
In
this
paper
we
examine
current
knowledge
concepts
concerning
at
network
level,
cellular
level
molecular
as
parts
neuroplastic
response
protein
aggregation
synapse
loss
neuronal
in
We
analyse
beneficial,
compensatory
effects,
such
augmentation
nigral
neurons
efficacy,
well
negative,
maladaptive
levodopa-induced
dyskinesia.
Effects
physical
activity
different
treatments
on
neuroplasticity
considered
opportunity
biomarkers
identification
use
discussed.
Язык: Английский
Cortico-striatal action control inherent of opponent cognitive-motivational styles
Опубликована: Янв. 24, 2025
Turning
on
cue
or
stopping
at
a
red
light
requires
attending
to
such
cues
select
action
sequences,
suppress
action,
in
accordance
with
learned
cue-associated
rules.
Cortico-striatal
projections
are
an
essential
part
of
the
brain’s
attention-motor
interface.
Glutamate-sensing
microelectrode
arrays
were
used
measure
glutamate
transients
dorsomedial
striatum
(DMS)
male
and
female
rats
walking
treadmill
executing
cued
turns
stops.
Prelimbic-DMS
chemogenetically
inhibited
determine
their
behavioral
necessity
cortico-striatal
origin
cue-evoked
transients.
Furthermore,
we
investigated
exhibiting
preferably
goal-directed
(goal
trackers,
GTs)
versus
cue-driven
attention
(sign
STs),
impact
cognitive-motivational
biases
control.
GTs
executed
more
initiated
slowly
than
STs.
During
turns,
but
not
missed
stops,
concentrations
higher
In
STs,
turn
cue-locked
frequently
peaked
twice
three
times,
contrasting
predominately
single
peaks
GTs.
GTs,
inhibition
prelimbic-DMS
attenuated
rates
increased
number
peaks.
These
findings
indicate
that
release
is
tightly
controlled
by
neuronal
activity.
contrast,
from
DMS
glutamatergic
terminals
may
be
regulated
other
striatal
circuitry,
mediating
suppression
reward
tracking.
As
dysfunction
has
been
hypothesized
contribute
wide
range
disorders,
including
complex
movement
control
deficits
Parkinson’s
disease
compulsive
drug
taking,
demonstration
phenotypic
contrasts
implies
presence
individual
vulnerabilities
for
disorders.
Язык: Английский
Cortico-striatal action control inherent of opponent cognitive-motivational styles
eLife,
Год журнала:
2025,
Номер
13
Опубликована: Фев. 19, 2025
Turning
on
cue
or
stopping
at
a
red
light
requires
attending
to
such
cues
select
action
sequences,
suppress
action,
in
accordance
with
learned
cue-associated
rules.
Cortico-striatal
projections
are
an
essential
part
of
the
brain’s
attention–motor
interface.
Glutamate-sensing
microelectrode
arrays
were
used
measure
glutamate
transients
dorsomedial
striatum
(DMS)
male
and
female
rats
walking
treadmill
executing
cued
turns
stops.
Prelimbic–DMS
chemogenetically
inhibited
determine
their
behavioral
necessity
cortico-striatal
origin
cue-evoked
transients.
Furthermore,
we
investigated
exhibiting
preferably
goal-directed
(goal
trackers,
GTs)
versus
cue-driven
attention
(sign-trackers,
STs),
impact
cognitive-motivational
biases
control.
GTs
executed
more
initiated
slowly
than
STs.
During
turns,
but
not
missed
stops,
concentrations
higher
In
STs,
turn
cue-locked
frequently
peaked
twice
three
times,
contrasting
predominately
single
peaks
GTs.
GTs,
inhibition
prelimbic–DMS
attenuated
rates
increased
number
peaks.
These
findings
indicate
that
release
is
tightly
controlled
by
neuronal
activity.
contrast,
from
DMS
glutamatergic
terminals
may
be
regulated
other
striatal
circuitry,
mediating
suppression
reward
tracking.
As
dysfunction
has
been
hypothesized
contribute
wide
range
disorders,
including
complex
movement
control
deficits
Parkinson’s
disease
compulsive
drug
taking,
demonstration
phenotypic
contrasts
implies
presence
individual
vulnerabilities
for
disorders.
Язык: Английский
Cortico-striatal action control inherent of opponent cognitive-motivational styles
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Март 13, 2024
Turning
on
cue
or
stopping
at
a
red
light
requires
attending
to
such
cues
select
action
sequences,
suppress
action,
in
accordance
with
learned
cue-associated
rules.
Cortico-striatal
projections
are
an
essential
part
of
the
brain's
attention-motor
interface.
Glutamate-sensing
microelectrode
arrays
were
used
measure
glutamate
transients
dorsomedial
striatum
(DMS)
male
and
female
rats
walking
treadmill
executing
cued
turns
stops.
Prelimbic-DMS
chemogenetically
inhibited
determine
their
behavioral
necessity
cortico-striatal
origin
cue-evoked
transients.
Furthermore,
we
investigated
exhibiting
preferably
goal-directed
(goal
trackers,
GTs)
versus
cue-driven
attention
(sign
STs),
impact
cognitive-motivational
biases
control.
GTs
executed
more
initiated
slowly
than
STs.
During
turns,
but
not
missed
stops,
concentrations
higher
In
STs,
turn
cue-locked
frequently
peaked
twice
three
times,
contrasting
predominately
single
peaks
GTs.
GTs,
inhibition
prelimbic-DMS
attenuated
rates
increased
number
peaks.
These
findings
indicate
that
release
is
tightly
controlled
by
neuronal
activity.
contrast,
from
DMS
glutamatergic
terminals
may
be
regulated
other
striatal
circuitry,
mediating
suppression
reward
tracking.
As
dysfunction
has
been
hypothesized
contribute
wide
range
disorders,
including
complex
movement
control
deficits
Parkinson's
disease
compulsive
drug
taking,
demonstration
phenotypic
contrasts
implies
presence
individual
vulnerabilities
for
disorders.
Adaptive
behavior
involves
selection
behaviorally
significant
capacity
selected
action.
Neuronal
cortex
integration
attentional
motor
functions.
Here
demonstrated
primarily
influences
actions
(cued
stops).
turning
was
especially
powerful
which,
as
psychological
trait,
deploy
attention.
Together,
our
demonstrate
role
input
selection,
they
emphasize
experimental
biopsychological
significance
investigating
attentional-motor
interface
context
broader
differences
styles.
Язык: Английский
Distinct dopaminergic spike-timing-dependent plasticity rules are suited to different functional roles
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 27, 2024
Various
mathematical
models
have
been
formulated
to
describe
the
changes
in
synaptic
strengths
resulting
from
spike-timing-dependent
plasticity
(STDP).
A
subset
of
these
include
a
third
factor,
dopamine,
which
interacts
with
spike
timing
contribute
at
specific
synapses,
notably
those
cortex
striatum
input
layer
basal
ganglia.
Theoretical
work
analyze
has
largely
focused
on
abstract
issues,
such
as
conditions
under
they
may
promote
synchronization
and
weight
distributions
induced
by
inputs
simple
correlation
structures,
rather
than
scenarios
associated
tasks,
generally
not
considered
dopamine-dependent
forms
STDP.
In
this
paper
we
introduce
three
dopamine-modulated
STDP
adapted
previously
proposed
rules.
We
then
analyze,
mathematically
simulations,
their
performance
biologically
relevant
scenarios.
test
ability
each
maintain
its
weights
face
noise
complete
reward
prediction
action
selection
studying
learned
corresponding
task
setting.
Interestingly,
find
that
rule
is
well
suited
studied
but
falls
short
others.
Different
tasks
therefore
require
different
plasticity,
yielding
precise
form
mechanism
present
vary
across
regions
striatum,
other
brain
areas
impacted
are
involved
distinct
computational
functions.
Язык: Английский
Cortico-striatal action control inherent of opponent cognitive-motivational styles
Опубликована: Сен. 26, 2024
Turning
on
cue
or
stopping
at
a
red
light
requires
the
detection
of
such
cues
to
select
action
sequences,
suppress
action,
in
accordance
with
cue-associated
rules.
Cortico-striatal
projections
are
an
essential
part
brain’s
attention-motor
interface.
Glutamate-sensing
microelectrode
arrays
were
used
measure
glutamate
transients
dorsomedial
striatum
(DMS)
male
and
female
rats
walking
treadmill
executing
cued
turns
stops.
Prelimbic-DMS
chemogenetically
inhibited
determine
their
behavioral
necessity
cortico-striatal
origin
cue-evoked
transients.
Furthermore,
we
investigated
exhibiting
preferably
goal-directed
(goal
trackers,
GTs)
versus
cue-driven
attention
(sign
STs),
impact
cognitive-motivational
biases
control.
GTs
executed
more
initiated
slowly
than
STs.
During
turns,
but
not
missed
stops,
concentrations
higher
In
conjunction
turn
spike
levels,
presence
single
rendered
be
almost
twice
as
likely
contrast,
multiple
spikes
predicted
less
GTs,
STs,
inhibition
prelimbic-DMS
attenuated
rates,
peaks,
increased
number
spikes.
These
findings
suggest
that
release
is
tightly
controlled
by
neuronal
activity.
from
DMS
glutamatergic
terminals
may
regulated
other
striatal
circuitry,
mediating
suppression
reward
tracking.
Язык: Английский
Cortico-striatal action control inherent of opponent cognitive-motivational styles
Опубликована: Сен. 26, 2024
Turning
on
cue
or
stopping
at
a
red
light
requires
attending
to
such
cues
select
action
sequences,
suppress
action,
in
accordance
with
learned
cue-associated
rules.
Cortico-striatal
projections
are
an
essential
part
of
the
brain’s
attention-motor
interface.
Glutamate-sensing
microelectrode
arrays
were
used
measure
glutamate
transients
dorsomedial
striatum
(DMS)
male
and
female
rats
walking
treadmill
executing
cued
turns
stops.
Prelimbic-DMS
chemogenetically
inhibited
determine
their
behavioral
necessity
cortico-striatal
origin
cue-evoked
transients.
Furthermore,
we
investigated
exhibiting
preferably
goal-directed
(goal
trackers,
GTs)
versus
cue-driven
attention
(sign
STs),
impact
cognitive-motivational
biases
control.
GTs
executed
more
initiated
slowly
than
STs.
During
turns,
but
not
missed
stops,
concentrations
higher
In
STs,
turn
cue-locked
frequently
peaked
twice
three
times,
contrasting
predominately
single
peaks
GTs.
GTs,
inhibition
prelimbic-DMS
attenuated
rates
increased
number
peaks.
These
findings
indicate
that
release
is
tightly
controlled
by
neuronal
activity.
contrast,
from
DMS
glutamatergic
terminals
may
be
regulated
other
striatal
circuitry,
mediating
suppression
reward
tracking.
As
dysfunction
has
been
hypothesized
contribute
wide
range
disorders,
including
complex
movement
control
deficits
Parkinson’s
disease
compulsive
drug
taking,
demonstration
phenotypic
contrasts
implies
presence
individual
vulnerabilities
for
disorders.
Язык: Английский