Neuromorphic algorithms for brain implants: a review
Frontiers in Neuroscience,
Год журнала:
2025,
Номер
19
Опубликована: Апрель 11, 2025
Neuromorphic
computing
technologies
are
about
to
change
modern
computing,
yet
most
work
thus
far
has
emphasized
hardware
development.
This
review
focuses
on
the
latest
progress
in
algorithmic
advances
specifically
for
potential
use
brain
implants.
We
discuss
current
algorithms
and
emerging
neurocomputational
models
that,
when
implemented
neuromorphic
hardware,
could
match
or
surpass
traditional
methods
efficiency.
Our
aim
is
inspire
creation
deployment
of
that
not
only
enhance
computational
performance
implants
but
also
serve
broader
fields
like
medical
diagnostics
robotics
inspiring
next
generations
neural
Язык: Английский
Visual light flicker stimulation: enhancing alertness in sleep-deprived rats
Frontiers in Neuroscience,
Год журнала:
2024,
Номер
18
Опубликована: Июнь 5, 2024
Introduction
In
the
evolving
field
of
neurophysiological
research,
visual
light
flicker
stimulation
is
recognized
as
a
promising
non-invasive
intervention
for
cognitive
enhancement,
particularly
in
sleep-deprived
conditions.
Methods
This
study
explored
effects
specific
frequencies
(40
Hz
and
20–30
random
flicker)
on
alertness
recovery
rats.
We
employed
multidisciplinary
approach
that
included
behavioral
assessments
with
Y-maze,
vivo
electrophysiological
recordings,
molecular
analyses
such
c-FOS
immunohistochemistry
hormone
level
measurements.
Results
Both
40
significantly
enhanced
performance
Y-maze
test,
suggesting
an
improvement
alertness.
Neurophysiological
data
indicated
activation
neural
circuits
key
brain
areas
like
thalamus
hippocampus.
Additionally,
exposure
normalized
cortisol
serotonin
levels,
essential
stress
response
mood
regulation.
Notably,
increased
expression
regions
related
to
functions
suggested
heightened
activity.
Discussion
These
findings
underscore
potential
not
only
mitigate
sleep
deprivation
but
also
enhance
functions.
The
results
pave
way
future
translational
research
into
light-based
therapies
human
subjects,
possible
implications
occupational
health
ergonomics.
Язык: Английский
An interpretable mechanism for grating-induced cross-inhibition and gamma oscillation based on a visual cortical neuronal network model
Electronic Research Archive,
Год журнала:
2024,
Номер
32(4), С. 2936 - 2954
Опубликована: Янв. 1, 2024
<abstract><p>Biological
experiments
targeting
the
mammalian
primary
visual
cortex
have
shown
that
neuronal
response
to
a
preferred
orientation
grating
is
cross-inhibited
by
an
orthogonal
mask
grating.
The
plaid
formed
overlap
of
two
gratings
not
only
causes
decrease
in
firing
rate
but
also
shifts
gamma
oscillation
weaker
at
higher
frequency.
mechanism
for
above
phenomena
unclarified.
In
this
paper,
large-scale
cortical
network
model
with
biological
details
constructed.
model,
modes
connectivity
may
contribute
cross-inhibition
are
considered:
thalamo-cortical
feedforward
pathway
and
push-pull
organization
layer
4.
Based
on
modulation
stimulation
successfully
reproduced,
which
consistent
suggests
it
leads
cross-inhibition.
Furthermore,
our
analysis
spike
clusters
current
fluctuations
increase
frequency
during
transition
stimuli
from
modulating
source
synaptic
inhibition
local
populations.
Such
results
will
help
understand
processing
under
multi-input
integration.</p></abstract>
Язык: Английский
High-gamma frequency flash stimulation as a possible cognitive facilitator in rat pups
Brain Research,
Год журнала:
2024,
Номер
1848, С. 149314 - 149314
Опубликована: Ноя. 15, 2024
Язык: Английский
Visual Light Flicker Stimulation: Promoting Central Fatigue Recovery in Sleep-Deprived Rats
Опубликована: Янв. 1, 2023
Fatigue
and
sleepiness
are
among
the
primary
causes
of
human
errors
workplace
accidents.
The
application
potential
light
flicker,
as
a
strong
environmental
stimulus,
in
combatting
fatigue
is
considerable.
present
study
aimed
to
investigate
anti-central
effect
flicker
(specifically,
40
Hz
20-30
flickers)
on
sleep-deprived
rats.
Both
C-FOS-positive
cell
distribution
vivo
electrophysiology
were
utilized
assess
effects
stimulation
neural
networks.
Y
maze
test
was
employed
spontaneous
activity
exploratory
ability
rats
influenced
by
visual
stimulation.
Additionally,
changes
cortisol
serotonin
levels
blood
examined
animals'
physiological
state.
results
indicate
that
flickering
has
significant
various
brain
regions,
such
thalamus
hippocampus,
associated
with
alertness.
Moreover,
at
induced
an
enrichment
beta
gamma
while
suppressing
low-frequency
theta
activity,
indicating
enhanced
activity.
Furthermore,
facilitated
recovery
rats,
improving
their
autonomous
capabilities
test.
These
findings
suggest
promotes
central
Язык: Английский