arXiv (Cornell University),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Jan. 1, 2023
Personal
sensing,
leveraging
data
passively
and
near-continuously
collected
with
wearables
from
patients
in
their
ecological
environment,
is
a
promising
paradigm
to
monitor
mood
disorders
(MDs),
major
determinant
of
worldwide
disease
burden.
However,
collecting
annotating
wearable
very
resource-intensive.
Studies
this
kind
can
thus
typically
afford
recruit
only
couple
dozens
patients.
This
constitutes
one
the
obstacles
applying
modern
supervised
machine
learning
techniques
MDs
detection.
In
paper,
we
overcome
bottleneck
advance
detection
acute
episode
vs
stable
state
on
back
recent
advances
self-supervised
(SSL).
leverages
unlabelled
learn
representations
during
pre-training,
subsequently
exploited
for
task.
First,
open-access
datasets
recording
an
Empatica
E4
spanning
different,
unrelated
MD
monitoring,
personal
sensing
tasks
--
emotion
recognition
Super
Mario
players
stress
undergraduates
devised
pre-processing
pipeline
performing
on-/off-body
detection,
sleep-wake
segmentation,
(optionally)
feature
extraction.
With
161
E4-recorded
subjects,
introduce
E4SelfLearning,
largest
date
open
access
collection,
its
pipeline.
Second,
show
that
SSL
confidently
outperforms
fully-supervised
pipelines
using
either
our
novel
E4-tailored
Transformer
architecture
(E4mer)
or
classical
baseline
XGBoost:
81.23%
against
75.35%
72.02%
(XGBoost)
correctly
classified
segments
64
(half
acute,
half
stable)
Lastly,
illustrate
performance
strongly
associated
specific
surrogate
task
employed
pre-training
as
well
availability.
JMIR mhealth and uhealth,
Journal Year:
2023,
Volume and Issue:
11, P. e45405 - e45405
Published: March 20, 2023
Depressive
and
manic
episodes
within
bipolar
disorder
(BD)
major
depressive
(MDD)
involve
altered
mood,
sleep,
activity,
alongside
physiological
alterations
wearables
can
capture.
Firstly,
we
explored
whether
wearable
data
could
predict
(aim
1)
the
severity
of
an
acute
affective
episode
at
intra-individual
level
2)
polarity
euthymia
among
different
individuals.
Secondarily,
which
were
related
to
prior
predictions,
generalization
across
patients,
associations
between
symptoms
data.
We
conducted
a
prospective
exploratory
observational
study
including
patients
with
BD
MDD
on
(manic,
depressed,
mixed)
whose
recorded
using
research-grade
(Empatica
E4)
3
consecutive
time
points
(acute,
response,
remission
episode).
Euthymic
healthy
controls
during
single
session
(approximately
48
h).
Manic
assessed
standardized
psychometric
scales.
Physiological
included
following
channels:
acceleration
(ACC),
skin
temperature,
blood
volume
pulse,
heart
rate
(HR),
electrodermal
activity
(EDA).
Invalid
removed
rule-based
filter,
channels
aligned
1-second
units
segmented
window
lengths
32
seconds,
as
best-performing
parameters.
developed
deep
learning
predictive
models,
channels'
individual
contribution
permutation
feature
importance
analysis,
computed
scales'
items
normalized
mutual
information
(NMI).
present
novel,
fully
automated
method
for
preprocessing
analysis
from
device,
viable
supervised
pipeline
time-series
analyses.
Overall,
35
sessions
(1512
hours)
12
mixed,
euthymic)
7
(mean
age
39.7,
SD
12.6
years;
6/19,
32%
female)
analyzed.
The
mood
was
predicted
moderate
(62%-85%)
accuracies
1),
their
(70%)
accuracy
2).
most
relevant
features
former
tasks
ACC,
EDA,
HR.
There
fair
agreement
in
classification
(Kendall
W=0.383).
Generalization
models
unseen
overall
low
accuracy,
except
models.
ACC
associated
"increased
motor
activity"
(NMI>0.55),
"insomnia"
(NMI=0.6),
"motor
inhibition"
(NMI=0.75).
EDA
"aggressive
behavior"
(NMI=1.0)
"psychic
anxiety"
(NMI=0.52).
show
potential
identify
specific
mania
depression
quantitatively,
both
MDD.
Motor
stress-related
(EDA
HR)
stand
out
digital
biomarkers
predicting
depression,
respectively.
These
findings
represent
promising
pathway
toward
personalized
psychiatry,
allow
early
identification
intervention
episodes.
Translational Psychiatry,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: March 26, 2024
Mood
disorders
(MDs)
are
among
the
leading
causes
of
disease
burden
worldwide.
Limited
specialized
care
availability
remains
a
major
bottleneck
thus
hindering
pre-emptive
interventions.
MDs
manifest
with
changes
in
mood,
sleep,
and
motor
activity,
observable
ecological
physiological
recordings
thanks
to
recent
advances
wearable
technology.
Therefore,
near-continuous
passive
collection
data
from
wearables
daily
life,
analyzable
machine
learning
(ML),
could
mitigate
this
problem,
bringing
monitoring
outside
clinician's
office.
Previous
works
predict
single
label,
either
state
or
psychometric
scale
total
score.
However,
clinical
practice
suggests
that
same
label
may
underlie
different
symptom
profiles,
requiring
specific
treatments.
Here
we
bridge
gap
by
proposing
new
task:
inferring
all
items
HDRS
YMRS,
two
most
widely
used
standardized
scales
for
assessing
symptoms,
using
wearables.
To
end,
develop
deep
pipeline
score
symptoms
large
cohort
MD
patients
show
agreement
between
predictions
assessments
an
expert
clinician
is
clinically
significant
(quadratic
Cohen's
κ
macro-average
F1
both
0.609).
While
doing
so,
investigate
several
solutions
ML
challenges
associated
task,
including
multi-task
learning,
class
imbalance,
ordinal
target
variables,
subject-invariant
representations.
Lastly,
illustrate
importance
testing
on
out-of-distribution
samples.
Frontiers in Psychiatry,
Journal Year:
2024,
Volume and Issue:
15
Published: June 13, 2024
Major
depressive
disorder
(MDD)
is
a
recurrent
episodic
mood
that
represents
the
third
leading
cause
of
disability
worldwide.
In
MDD,
several
factors
can
simultaneously
contribute
to
its
development,
which
complicates
diagnosis.
According
practical
guidelines,
antidepressants
are
first-line
treatment
for
moderate
severe
major
episodes.
Traditional
strategies
often
follow
one-size-fits-all
approach,
resulting
in
suboptimal
outcomes
many
patients
who
fail
experience
response
or
recovery
and
develop
so-called
“therapy-resistant
depression”.
The
high
biological
clinical
inter-variability
within
lack
robust
biomarkers
hinder
finding
specific
therapeutic
targets,
contributing
failure
rates.
this
frame,
precision
medicine,
paradigm
tailors
medical
interventions
individual
characteristics,
would
help
allocate
most
adequate
effective
each
patient
while
minimizing
side
effects.
particular,
multi-omic
studies
may
unveil
intricate
interplays
between
genetic
predispositions
exposure
environmental
through
study
epigenomics,
transcriptomics,
proteomics,
metabolomics,
gut
microbiomics,
immunomics.
integration
flow
information
into
molecular
pathways
produce
better
than
current
psychopharmacological
targets
singular
mainly
related
monoamine
systems,
disregarding
complex
network
our
organism.
concept
system
biomedicine
involves
analysis
enormous
datasets
generated
with
different
technologies,
creating
“patient
fingerprint”,
defines
underlying
mechanisms
every
patient.
This
review,
centered
on
explores
approaches
as
tools
prediction
MDD
at
single-patient
level.
It
investigates
how
combining
existing
technologies
used
diagnostic,
stratification,
prognostic,
treatment-response
discovery
artificial
intelligence
improve
assessment
MDD.
Computers in Biology and Medicine,
Journal Year:
2024,
Volume and Issue:
180, P. 108959 - 108959
Published: July 31, 2024
Neuropsychiatric
symptoms
(NPS)
and
mood
disorders
are
common
in
individuals
with
mild
cognitive
impairment
(MCI)
increase
the
risk
of
progression
to
dementia.
Wearable
devices
collecting
physiological
behavioral
data
can
help
remote,
passive,
continuous
monitoring
moods
NPS,
overcoming
limitations
inconveniences
current
assessment
methods.
In
this
longitudinal
study,
we
examined
predictive
ability
digital
biomarkers
based
on
sensor
from
a
wrist-worn
wearable
determine
severity
NPS
daily
basis
older
adults
predominant
MCI.
addition
conventional
biomarkers,
such
as
heart
rate
variability
skin
conductance
levels,
leveraged
deep-learning
features
derived
using
self-supervised
convolutional
autoencoder.
Models
combining
deep
predicted
depression
scores
correlation
r
=
0.73
average,
total
disorder
0.67,
0.69
study
population.
Our
findings
demonstrated
potential
collected
wearables
learning
methods
be
used
for
unobtrusive
assessments
mental
health
adults,
including
those
TRIAL
REGISTRATION:
This
trial
was
registered
ClinicalTrials.gov
(NCT05059353)
September
28,
2021,
titled
"Effectiveness
Safety
Digitally
Based
Multidomain
Intervention
Mild
Cognitive
Impairment".
Current Treatment Options in Psychiatry,
Journal Year:
2024,
Volume and Issue:
11(3), P. 241 - 264
Published: Aug. 2, 2024
Abstract
Purpose
of
Review
Mood
disorders
(MD)
are
mental
that
need
accurate
diagnosis
and
proper
treatment.
Growing
volume
data
from
neurobehavioral
sciences
is
becoming
complex
for
traditional
research
to
analyze.
New
drugs’
slow
development
fails
meet
the
needs
disorders.
Machine
Learning
(ML)
techniques
support
by
refining
detection,
diagnosis,
treatment,
research,
being
employed
expedite
discovery
pharmacological
targets.
This
review
aims
assess
evidence
regarding
contribution
ML
in
finding
new
targets
adults
with
MD.
Recent
findings
The
most
significant
area
amongst
MD
major
depressive
disorder.
identified
target
gene
candidates,
pathways
biomarkers
related
MD,
which
can
pave
way
promising
therapeutic
strategies.
was
also
found
enhance
diagnostic
accuracy.
Summary
have
potential
bridge
gap
between
biological
chemical
drug
information,
providing
discoveries
agents.
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: March 29, 2023
Abstract
Mood
disorders
are
among
the
leading
causes
of
disease
burden
worldwide.
They
manifest
with
changes
in
mood,
sleep,
and
motor-activity,
observable
physiological
data.
Despite
effective
treatments
being
available,
limited
specialized
care
availability
is
a
major
bottleneck,
hindering
preemptive
interventions.
Nearcontinuous
passive
collection
data
from
wearables
daily
life,
analyzable
machine
learning,
could
mitigate
this
problem,
bringing
mood
monitoring
outside
doctor’s
office.
Previous
works
attempted
predicting
single
label,
e.g.
state
or
psychometric
scale
total
score.
However,
clinical
practice
suggests
that
same
label
can
underlie
different
symptom
profiles,
requiring
personalized
treatment.
In
work
we
address
limitation
by
proposing
new
task:
inferring
all
items
Hamilton
Depression
Rating
Scale
(HDRS)
Young
Mania
(YMRS),
most-widely
used
standardized
questionnaires
for
assessing
depression
mania
symptoms
respectively,
two
polarities
disorders.
Using
naturalistic,
single-center
cohort
patients
disorder
(N=75),
develop
an
artificial
neural
network
(ANN)
inputs
wearable
device
scores
on
HDRS
YMRS
moderate
agreement
(quadratic
Cohen’s
κ
=
0.609)
assessments
clinician.
We
also
show
that,
when
using
as
input
recorded
further
away
were
collected
clinician,
ANN
performance
deteriorates,
pointing
to
distribution
shift,
likely
across
both
scales
This
task
challenging
research
into
domain-adaptation
should
be
prioritized
towards
real-world
implementations.