Remodeling the light-adapted electroretinogram using a bayesian statistical approach
BMC Research Notes,
Год журнала:
2025,
Номер
18(1)
Опубликована: Янв. 23, 2025
Язык: Английский
Synthetic electroretinogram signal generation using a conditional generative adversarial network
Documenta Ophthalmologica,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 16, 2025
Abstract
Purpose
The
electroretinogram
(ERG)
records
the
functional
response
of
retina.
In
some
neurological
conditions,
ERG
waveform
may
be
altered
and
could
support
biomarker
discovery.
heterogeneous
or
rare
populations,
where
either
large
data
sets
availability
a
challenge,
synthetic
signals
with
Artificial
Intelligence
(AI)
help
to
mitigate
against
these
factors
classification
models.
Methods
This
approach
was
tested
using
publicly
available
dataset
real
ERGs,
n
=
560
(ASD)
498
(Control)
recorded
at
9
different
flash
strengths
from
18
ASD
(mean
age
12.2
±
2.7
years)
31
Controls
11.8
3.3
that
were
augmented
waveforms,
generated
through
Conditional
Generative
Adversarial
Network.
Two
deep
learning
models
used
classify
groups
only
combined
ERGs.
One
Time
Series
Transformer
(with
waveforms
in
their
original
form)
second
Visual
model
utilizing
images
wavelets
derived
Continuous
Wavelet
Transform
Model
performance
classifying
evaluated
Balanced
Accuracy
(BA)
as
main
outcome
measure.
Results
BA
improved
0.756
0.879
when
ERGs
included
across
all
recordings
for
training
Transformer.
also
achieved
best
0.89
single
strength
0.95
log
cd
s
m
−2
.
Conclusions
supports
application
AI
improve
group
recordings.
Язык: Английский
Spectral Analysis of Light-Adapted Electroretinograms in Neurodevelopmental Disorders: Classification with Machine Learning
Bioengineering,
Год журнала:
2024,
Номер
12(1), С. 15 - 15
Опубликована: Дек. 28, 2024
Electroretinograms
(ERGs)
show
differences
between
typically
developing
populations
and
those
with
a
diagnosis
of
autism
spectrum
disorder
(ASD)
or
attention
deficit/hyperactivity
(ADHD).
In
series
ERGs
collected
in
ASD
(n
=
77),
ADHD
43),
+
21),
control
137)
groups,
this
analysis
explores
the
use
machine
learning
feature
selection
techniques
to
improve
classification
these
clinically
defined
groups.
Standard
time
domain
signal
features
were
evaluated
different
models.
For
classification,
balanced
accuracy
(BA)
0.87
was
achieved
for
male
participants.
ADHD,
BA
0.84
female
When
three-group
model
(ASD,
control)
lower,
at
0.70,
fell
further
0.53
when
all
groups
included
control).
The
findings
support
role
ERG
establishing
broad
two-group
but
model's
performance
depends
upon
sex
is
limited
multiple
classes
are
modeling.
Язык: Английский