bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 26, 2024
Abstract
Scientific
progress
depends
on
reliable
and
reproducible
results.
Progress
can
also
be
accelerated
when
data
are
shared
re-analyzed
to
address
new
questions.
Current
approaches
storing
analyzing
neural
typically
involve
bespoke
formats
software
that
make
replication,
as
well
the
subsequent
reuse
of
data,
difficult
if
not
impossible.
To
these
challenges,
we
created
Spyglass
,
an
open-source
framework
enables
analyses
sharing
both
intermediate
final
results
within
across
labs.
uses
Neurodata
Without
Borders
(NWB)
standard
includes
pipelines
for
several
core
in
neuroscience,
including
spectral
filtering,
spike
sorting,
pose
tracking,
decoding.
It
easily
extended
apply
existing
newly
developed
datasets
from
multiple
sources.
We
demonstrate
features
context
a
cross-laboratory
replication
by
applying
advanced
state
space
decoding
algorithms
publicly
available
data.
New
users
try
out
Jupyter
Hub
hosted
HHMI
2i2c:
https://spyglass.hhmi.2i2c.cloud/
.
Perturbational
complexity
analysis
predicts
the
presence
of
consciousness
in
volunteers
and
patients
by
stimulating
brain
with
brief
pulses,
recording
EEG
responses,
computing
their
spatiotemporal
complexity.
We
examined
underlying
neural
circuits
mice
directly
cortex
while
Neuropixels
probes
during
wakefulness
isoflurane
anesthesia.
When
are
awake,
stimulation
deep
cortical
layers
reliably
evokes
locally
a
pulse
excitation,
followed
biphasic
sequence
120
ms
profound
off
period
rebound
excitation.
A
similar
pattern,
partially
attributed
to
burst
spiking,
is
seen
thalamic
nuclei
associated
pronounced
late
component
evoked
EEG.
infer
that
cortico-thalamo-cortical
interactions
drive
long-lasting
signals
elicited
awake
state.
The
EEG,
reduced
running
absent
Perturbational
complexity
analysis
predicts
the
presence
of
consciousness
in
volunteers
and
patients
by
stimulating
brain
with
brief
pulses,
recording
EEG
responses,
computing
their
spatiotemporal
complexity.
We
examined
underlying
neural
circuits
mice
directly
cortex
while
Neuropixels
probes
during
wakefulness
isoflurane
anesthesia.
When
are
awake,
stimulation
deep
cortical
layers
reliably
evokes
locally
a
pulse
excitation,
followed
biphasic
sequence
120
ms
profound
off
period
rebound
excitation.
A
similar
pattern,
partially
attributed
to
burst
spiking,
is
seen
thalamic
nuclei
associated
pronounced
late
component
evoked
EEG.
infer
that
cortico-thalamo-cortical
interactions
drive
long-lasting
signals
elicited
awake
state.
The
EEG,
reduced
running
absent
Frontiers in Neuroinformatics,
Год журнала:
2024,
Номер
17
Опубликована: Янв. 5, 2024
Neuroscience
has
made
significant
strides
over
the
past
decade
in
moving
from
a
largely
closed
science
characterized
by
anemic
data
sharing,
to
open
where
amount
of
publicly
available
neuroscience
increased
dramatically.
While
this
increase
is
driven
part
large
prospective
sharing
studies,
we
are
starting
see
long
tail
data,
no
doubt
journal
requirements
and
funder
mandates.
Concomitant
with
shift
increasing
support
FAIR
principles
practices
infrastructure.
particularly
critical
for
its
multiplicity
types,
scales
model
systems
infrastructure
that
serves
them.
As
envisioned
early
days
neuroinformatics,
currently
served
globally
distributed
ecosystem
neuroscience-centric
repositories,
specialized
around
types.
To
make
findable,
accessible,
interoperable,
reusable
requires
coordination
across
different
stakeholders,
including
researchers
who
produce
repositories
it
available,
aggregators
indexers
field
search
engines
community
organizations
help
coordinate
efforts
develop
standards
FAIR.
The
International
Neuroinformatics
Coordinating
Facility
led
move
toward
FAIR,
fielding
several
resources
achieve
In
perspective,
I
provide
an
overview
components
required
thoughts
on
past,
present
future
neuroscience,
laboratory
engine.
Abstract
We
present
a
dataset
of
1809
single
neurons
recorded
from
the
human
medial
temporal
lobe
(amygdala
and
hippocampus)
frontal
(anterior
cingulate
cortex,
pre-supplementary
motor
area,
ventral
prefrontal
cortex)
across
41
sessions
21
patients
that
underwent
seizure
monitoring
with
depth
electrodes.
Subjects
performed
screening
task
(907
neurons)
to
identify
images
for
which
highly
selective
cells
were
present.
then
working
memory
(902
neurons),
in
they
sequentially
presented
1–3
and,
following
maintenance
period,
asked
if
probe
was
identical
one
maintained
images.
This
Neurodata
Without
Borders
formatted
includes
spike
times,
extracellular
waveforms,
stimuli
presented,
behavior,
electrode
locations,
subject
demographics.
As
validation,
we
replicate
previous
findings
on
selectivity
concept
their
persistent
activity
during
maintenance.
large
rare
single-neuron
recordings
behavior
enables
investigation
neural
mechanisms
humans.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2025,
Номер
unknown
Опубликована: Март 2, 2025
ABSTRACT
Improving
models
to
investigate
neurodegenerative
disease,
neurodevelopmental
neuro-toxicology
and
neuropharmacology
is
critical
improve
our
basic
understanding
of
the
human
nervous
system,
as
well
accelerate
discovery
interventions
drugs.
Improved
central
system
could
enable
discoveries
related
functional
changes
induced
by
sensory
stimulation
or
toxic
exposures.
Neural
organoids,
complex
three-dimensional
cell
cultures
derived
from
adult
stem
cells,
have
been
grown
with
connectivity
neuroanatomy.
Moreover,
these
interfaced
bi-directional
electrical
recording,
chemical
stimulation.
This
effort
sought
develop
new
computational
techniques
which
be
applied
comparative
studies
using
neural
organoids.
In
particular,
we
adapted
CEBRA,
a
state
art
model
in
vivo
modeling
literature,
generate
2D
3D
embeddings
(projections
into
structured
low-dimensional
spaces)
high
dimensional
organoid
electrophysiology
data.
can
done
an
unsupervised
semi-supervised
manner.
Results
indicate
quickly
reliably
generated
serve
low-dimensional,
interpretable
for
characterizing
activity
over
time,
clustering
results
around
known
bursting
phenomena.
demonstrate
that
mixtures
von
Mises-Fisher
distributions
used
parametric
embedding
spaces
statistics
hypothesis
testing.
technique
may
types
creating
representation
quantitative
comparison
validation
against
animal
Looking
ahead,
this
work
allow
formulation
class
experiments
investigating
impact
toxins,
genetic
manipulations,
pharmacological
on
neurons.