A
robust
finding
in
declarative
memory
is
the
testing
effect,
meaning
that
enhances
retention
more
than
mere
studying.
Emergent
frameworks
propose
fundamental
(Hebbian
and
predictive)
learning
principles
as
its
basis.
Predictive
posits
occurs
based
on
contrast
(or
error)
between
prediction
feedback
(i.e.,
error).
Here,
we
(but
not
studying)
scenarios,
participants
predict
potential
answers,
this
subsequent
yields
a
error.
To
investigate
this,
developed
neural
network
incorporating
Hebbian
and/or
predictive
learning,
together
with
an
experimental
design
where
human
studied
or
tested
English-Swahili
word
pairs
followed
by
recognition.
Two
behavioral
experiments
revealed
strong
effects.
Model
fitting
suggested
only
models
can
account
for
breadth
of
data
associated
effect.
Our
model
suggest
underlies
Biological Psychiatry,
Journal Year:
2023,
Volume and Issue:
95(6), P. 592 - 600
Published: Nov. 30, 2023
Neuroplasticity,
or
activity-dependent
neuronal
change,
is
a
crucial
mechanism
underlying
the
mechanisms
of
effect
many
therapies
for
neuropsychiatric
disorders,
one
which
repetitive
transcranial
magnetic
stimulation
(rTMS).
Understanding
neuroplastic
effects
rTMS
at
different
biological
scales
and
on
timescales
how
interact
with
each
other
can
help
us
understand
in
clinical
populations
offers
potential
to
improve
treatment
outcomes.
Several
decades
research
fields
neuroimaging
blood
biomarkers
increasingly
showing
its
relevance,
allowing
measurement
synaptic,
functional,
structural
changes
involved
neuroplasticity
humans.
In
this
narrative
review,
we
describe
evidence
rTMS-induced
multiple
levels
nervous
system,
focus
psychiatric
disorders.
We
also
relationship
between
effects,
discuss
methods
optimize
neuroplasticity,
identify
future
opportunities
area.
Signals,
Journal Year:
2024,
Volume and Issue:
5(3), P. 476 - 493
Published: July 26, 2024
The
development
of
robust
circuit
structures
remains
a
pivotal
milestone
in
electronic
device
research.
This
article
proposes
an
integrated
hardware–software
system
designed
for
the
acquisition,
processing,
and
analysis
surface
electromyographic
(sEMG)
signals.
analyzes
sEMG
signals
to
understand
muscle
function
neuromuscular
control,
employing
convolutional
neural
networks
(CNNs)
pattern
recognition.
electrical
analyzed
on
healthy
unhealthy
subjects
are
acquired
using
meticulously
developed
featuring
biopotential
acquisition
electrodes.
captured
database
extracted,
classified,
interpreted
by
application
CNNs
with
aim
identifying
patterns
indicative
problems.
By
leveraging
advanced
learning
techniques,
proposed
method
addresses
non-stationary
nature
recordings
mitigates
cross-talk
effects
commonly
observed
interference
sensors.
integration
AI
algorithm
signal
enhances
qualitative
outcomes
eliminating
redundant
information.
reveals
their
effectiveness
accurately
deciphering
complex
data
from
signals,
problems
high
precision.
paper
contributes
landscape
biomedical
research,
advocating
computational
techniques
unravel
physiological
phenomena
enhance
utility
analysis.
Trends in Neurosciences,
Journal Year:
2024,
Volume and Issue:
47(4), P. 303 - 318
Published: Feb. 23, 2024
Stroke
is
a
leading
cause
of
adult
disability.
Understanding
stroke
damage
and
recovery
requires
deciphering
changes
in
complex
brain
networks
across
different
spatiotemporal
scales.
While
recent
developments
readout
technologies
progress
network
modeling
have
revolutionized
current
understanding
the
effects
on
at
macroscale,
reorganization
smaller
scale
remains
incompletely
understood.
In
this
review,
we
use
conceptual
framework
graph
theory
to
define
from
nano-
macroscales.
Highlighting
stroke-related
connectivity
studies
multiple
scales,
argue
that
multiscale
connectomics-based
approaches
may
provide
new
routes
better
evaluate
structural
functional
remapping
after
during
recovery.
Trends in Cognitive Sciences,
Journal Year:
2024,
Volume and Issue:
28(8), P. 739 - 756
Published: June 17, 2024
The
brain
exhibits
a
remarkable
ability
to
learn
and
execute
context-appropriate
behaviors.
How
it
achieves
such
flexibility,
without
sacrificing
learning
efficiency,
is
an
important
open
question.
Neuroscience,
psychology,
engineering
suggest
that
reusing
repurposing
computations
are
part
of
the
answer.
Here,
we
review
evidence
thalamocortical
architectures
may
have
evolved
facilitate
these
objectives
flexibility
efficiency
by
coordinating
distributed
computations.
Recent
work
suggests
prefrontal
cortical
networks
compute
with
flexible
codes,
mediodorsal
thalamus
provides
regularization
promote
efficient
reuse.
Thalamocortical
interactions
resemble
hierarchical
Bayesian
computations,
their
network
implementation
can
be
related
existing
gating,
synchronization,
hub
theories
thalamic
function.
By
reviewing
recent
findings
providing
novel
synthesis,
highlight
key
research
horizons
integrating
computation,
cognition,
systems
neuroscience.
Current Opinion in Neurobiology,
Journal Year:
2023,
Volume and Issue:
83, P. 102798 - 102798
Published: Oct. 30, 2023
The
degeneration
of
mesencephalic
dopaminergic
neurons
that
innervate
the
basal
ganglia
is
responsible
for
cardinal
motor
symptoms
Parkinson's
disease
(PD).
It
has
been
thought
loss
signaling
in
one
region
-
striatum
was
solely
network
pathophysiology
causing
PD
symptoms.
While
our
understanding
dopamine
(DA)'s
role
modulating
striatal
circuitry
deepened
recent
years,
it
also
become
clear
acts
other
regions
to
influence
movement.
Underscoring
this
point,
examination
a
new
progressive
mouse
model
shows
DA
depletion
alone
not
sufficient
induce
parkinsonism
and
restoration
extra-striatal
attenuates
parkinsonian
deficits
once
they
appear.
This
review
summarizes
advances
effort
understand
circuitry,
its
modulation
by
DA,
how
dysfunction
drives
Functional Ecology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 14, 2024
Abstract
Sensitive
periods,
in
which
experiences
have
a
large
impact
on
phenotypic
development,
are
most
common
early
ontogeny.
Yet,
they
may
also
occur
at
later
ontogenetic
stages,
such
as
adolescence.
At
present,
however,
we
know
little
about
why
natural
selection
favours
sensitive
periods
for
some
traits
ontogeny
and
others
This
article
synthesizes
recent
mathematical
models
empirical
studies
that
explore
beyond
Across
models,
observe
two
general
patterns.
First,
emerge
when
an
organism's
uncertainty
the
environment‐phenotype
fit
increases
developmental
stages.
Second,
cues
stages
reduce
this
more
than
earlier
do.
In
literature,
showing
tend
to
be
social
traits,
particularly
among
mammals.
Connecting
theory
data,
hypothesize
mammals
evolved
expect
reliable
information
from
peers
adolescence
current
future
environment
(e.g.
dominance,
mate
value).
Finally,
highlight
gaps
our
understanding
suggest
directions
strengthening
bridges
between
theoretical
of
periods.
Ultimately,
hope
synthesis
will
contribute
towards
integrative
science
across
biological
sciences.
Read
free
Plain
Language
Summary
Journal
blog.
Frontiers in Synaptic Neuroscience,
Journal Year:
2023,
Volume and Issue:
15
Published: June 28, 2023
For
roughly
the
last
30
years,
notion
that
striatal
dopamine
(DA)
depletion
was
critical
determinant
of
network
pathophysiology
underlying
motor
symptoms
Parkinson's
disease
(PD)
has
dominated
field.
While
basal
ganglia
circuit
model
underpinning
this
hypothesis
been
great
heuristic
value,
itself
never
directly
tested.
Moreover,
studies
in
couple
decades
have
made
it
clear
fails
to
incorporate
key
features
ganglia,
including
fact
DA
acts
throughout
not
just
striatum.
Underscoring
point,
recent
work
using
a
progressive
mouse
PD
shown
alone
is
sufficient
induce
parkinsonism
and
restoration
extra-striatal
signaling
attenuates
parkinsonian
deficits
once
they
appear.
Given
broad
array
discoveries
field,
time
for
new
determinants
disability
PD.
International Journal of Cancer,
Journal Year:
2024,
Volume and Issue:
155(9), P. 1670 - 1683
Published: July 1, 2024
Gliomas
are
primary
brain
tumors
and
among
the
most
malignant
types.
Adult-type
diffuse
gliomas
can
be
classified
based
on
their
histological
molecular
signatures
as
IDH-wildtype
glioblastoma,
IDH-mutant
astrocytoma,
1p/19q-codeleted
oligodendroglioma.
Recent
studies
have
shown
that
each
subtype
of
glioma
has
its
own
specific
distribution
pattern.
However,
mechanisms
underlying
distributions
subtypes
not
entirely
clear
despite
partial
explanations
such
cell
origin.
To
investigate
impact
multi-scale
attributes
distribution,
we
constructed
cumulative
frequency
maps
for
T1w
structural
images
evaluated
spatial
correlation
between
tumor
diverse
attributes,
including
postmortem
gene
expression,
functional
connectivity
metrics,
cerebral
perfusion,
glucose
metabolism,
neurotransmitter
signaling.
Regression
models
were
to
evaluate
contribution
these
factors
anatomic
different
subtypes.
Our
findings
revealed
three
had
distinct
patterns,
showing
preferences
toward
environmental
attributes.
Glioblastomas
especially
likely
occur
in
regions
enriched
with
synapse-related
pathways
receptors.
Astrocytomas
oligodendrogliomas
preferentially
occurred
areas
genes
associated
neutrophil-mediated
immune
responses.
The
network
characteristics
also
contributed
oligodendroglioma
distribution.
results
suggest
transcriptomic,
neurotransmitter,
connectomic
determine
These
highlight
importance
bridging
scales
biological
organization
when
studying
neurological
dysfunction.