bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Март 4, 2024
ABSTRACT
Intricate
interactions
between
multiple
brain
areas
underlie
most
functions
attributed
to
the
brain.
The
process
of
learning,
as
well
formation
and
consolidation
memories
are
two
examples
that
rely
heavily
on
functional
connectivity
across
In
addition,
investigating
hemispheric
similarities
and/or
differences
goes
hand
in
with
these
multi-area
interactions.
Electrophysiological
studies
trying
further
elucidate
complex
processes
thus
depend
recording
activity
at
locations
simultaneously
often
a
bilateral
fashion.
Presented
here
is
3D-printable
implant
for
rats,
named
TD
drive,
capable
symmetric,
wire
electrode
recordings,
currently
up
ten
distributed
simultaneously.
open-source
design
was
created
employing
parametric
principles,
allowing
prospective
users
easily
adapt
drive
their
needs
by
simply
adjusting
high-level
parameters,
such
anterior-posterior
medio-lateral
coordinates
locations.
validated
n
=
20
Lister
Hooded
rats
performed
different
tasks.
compatible
tethered
sleep
recordings
open
field
(Object
Exploration)
wireless
large
maze
(HexMaze
9×5
m)
using
commercial
systems
headstages.
sum,
presented
adaptable
assembly
new
electrophysiological
facilitating
fast
preparation
implantation.
Diagnostics,
Год журнала:
2025,
Номер
15(4), С. 456 - 456
Опубликована: Фев. 13, 2025
Background/Objectives:
The
following
systematic
review
integrates
neuroimaging
techniques
with
deep
learning
approaches
concerning
emotion
detection.
It,
therefore,
aims
to
merge
cognitive
neuroscience
insights
advanced
algorithmic
methods
in
pursuit
of
an
enhanced
understanding
and
applications
recognition.
Methods:
study
was
conducted
PRISMA
guidelines,
involving
a
rigorous
selection
process
that
resulted
the
inclusion
64
empirical
studies
explore
modalities
such
as
fMRI,
EEG,
MEG,
discussing
their
capabilities
limitations
It
further
evaluates
architectures,
including
neural
networks,
CNNs,
GANs,
terms
roles
classifying
emotions
from
various
domains:
human-computer
interaction,
mental
health,
marketing,
more.
Ethical
practical
challenges
implementing
these
systems
are
also
analyzed.
Results:
identifies
fMRI
powerful
but
resource-intensive
modality,
while
EEG
MEG
more
accessible
high
temporal
resolution
limited
by
spatial
accuracy.
Deep
models,
especially
CNNs
have
performed
well
emotions,
though
they
do
not
always
require
large
diverse
datasets.
Combining
data
behavioral
features
improves
classification
performance.
However,
ethical
challenges,
privacy
bias,
remain
significant
concerns.
Conclusions:
has
emphasized
efficiencies
detection,
technical
were
highlighted.
Future
research
should
integrate
advances,
establish
innovative
enhance
system
reliability
applicability.
Psychiatry and Clinical Neurosciences,
Год журнала:
2024,
Номер
78(5), С. 273 - 281
Опубликована: Март 20, 2024
Low‐intensity
focused
transcranial
ultrasound
stimulation
(TUS)
is
an
emerging
noninvasive
technique
capable
of
stimulating
both
the
cerebral
cortex
and
deep
brain
structures
with
high
spatial
precision.
This
method
recognized
for
its
potential
to
comprehensively
perturb
various
regions,
enabling
modulation
neural
circuits,
in
a
manner
not
achievable
through
conventional
magnetic
or
electrical
techniques.
The
underlying
mechanisms
neuromodulation
are
based
on
phenomenon
where
mechanical
waves
kinetically
interact
neurons,
specifically
affecting
neuronal
membranes
mechanosensitive
channels.
interaction
induces
alterations
excitability
neurons
within
stimulated
region.
In
this
review,
we
briefly
present
fundamental
principles
physics
physiological
TUS
neuromodulation.
We
explain
experimental
apparatus
procedures
humans.
Due
focality,
integration
methods,
including
resonance
imaging
resonance–guided
neuronavigation
systems,
important
perform
experiments
precise
targeting.
then
review
current
state
literature
neuromodulation,
particular
focus
human
subjects,
targeting
subcortical
structures.
Finally,
outline
future
perspectives
clinical
applications
psychiatric
neurological
fields.
Abstract
Brain‐computer
interface
(BCI)
is
an
advanced
technology
that
establishes
a
direct
connection
between
the
brain
and
external
devices,
enabling
high‐speed
real‐time
information
exchange.
In
BCI
systems,
electrodes
are
key
devices
responsible
for
transmitting
signals
including
recording
electrophysiological
electrically
stimulating
nerves.
Early
were
mainly
composed
of
rigid
materials.
The
mismatch
in
Young's
modulus
soft
biological
tissue
can
lead
to
rejection
reactions
within
system,
resulting
electrode
failure.
Furthermore,
prone
damaging
tissues
during
implantation
use.
Recently,
flexible
have
garnered
attention
field
science
research
due
their
better
adaptability
softness
curvature
brain.
design
effectively
reduce
mechanical
damage
neural
improve
accuracy
stability
signal
transmission,
providing
new
tools
methods
exploring
function
mechanisms
developing
novel
technologies.
Here,
we
review
advancements
systems.
This
paper
emphasizes
importance
discusses
limitations
traditional
electrodes,
introduces
various
types
detail.
addition,
also
explore
practical
application
scenarios
future
development
trends
technology,
aiming
offer
valuable
insights
enhancing
performance
user
experience
Frontiers in Neurology,
Год журнала:
2025,
Номер
16
Опубликована: Март 27, 2025
Background
Alice
in
Wonderland
Syndrome
(AIWS)
is
characterized
by
transient
distortions
visual
perception—alterations
size,
shape,
and
spatial
relationships—typically
described
migraine
or
encephalitis.
Its
occurrence
neurodegenerative
conditions,
particularly
dementia
with
Lewy
bodies
(DLB),
remains
exceedingly
rare.
Case
description
This
article
reports
a
case
of
68-year-old
patient
(DLB;
limbic-early
subtype)
who
presented
typical
DLB
features
alongside
brief
episode
misperception—reporting
that
his
bed
had
“shrunk.”
Neuroimaging
revealed
diffuse
cortical
atrophy
prominent
bi-hippocampal
parietal
lobe
involvement,
hypoperfusion
on
HMPAO
SPECT.
Conclusion
the
first
reported
AIWS
DLB.
We
hypothesize
selective
dysfunction
high-level
networks—particularly
right
extrastriate
cortex
responsible
for
canonical
storage
object
size—may
lead
to
an
agnosia
size.
underscores
importance
considering
within
spectrum
disturbances
Theoretical
implications
These
findings
provide
novel
insights
into
neurobiology
cognition,
aligning
Husserl’s
concept
“primordial
body”
(Urleib)
intuition.
They
suggest
disruptions
integration
sensory
inputs
properties
may
critically
influence
conscious
reconstruction
reality.
Translational Psychiatry,
Год журнала:
2025,
Номер
15(1)
Опубликована: Апрель 10, 2025
Neuroimaging
studies
have
identified
a
large
number
of
biomarkers
associated
with
schizophrenia
(SZ),
but
there
is
still
lack
that
can
predict
the
efficacy
antipsychotic
medication
in
SZ
patients.
The
aim
this
study
was
to
identify
neuroimaging
drug
response
among
features
resting-state
connectome.
Resting-state
functional
magnetic
resonance
scans
were
acquired
from
discovery
cohort
105
patients
at
baseline
and
after
8
weeks
treatment.
Baseline
clinical
status
post-treatment
outcome
assessed
using
Positive
Negative
Symptom
Scale
(PANSS),
improvement
rated
by
total
score
reduction.
Based
on
imaging
data,
connectivity
matrix
constructed
for
each
patient,
connectome-based
predictive
model
subsequently
established
trained
individual
PANSS
Model
performance
calculating
Pearson
correlation
coefficients
between
predicted
true
reduction
leave-one-out
cross-validation.
Finally,
generalizability
tested
an
independent
validation
52
incorporating
connectome
characteristics
treatment
outcomes
both
(prediction
vs.
truth
r
=
0.59,
mean
squared
error
(MSE)
0.021)
(r
0.41,
MSE
0.036).
four
positive
eight
negative
features,
which
respectively
correlated
positively
negatively
Among
these
specific
connections
within
parietal
lobe
played
crucial
role
model's
performance.
As
they
included
frontoparietal
control
network
cerebello-thalamo-cortical
connections.
This
discovered
validated
set
based
connectome,
where
higher
lower
rate
better
therapeutic
effect.
These
be
used
through
model.
Clinical
doctors
potentially
infer
results.