bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2020,
Volume and Issue:
unknown
Published: June 27, 2020
Abstract
The
neuroscience
of
perception
has
recently
been
revolutionized
with
an
integrative
modeling
approach
in
which
computation,
brain
function,
and
behavior
are
linked
across
many
datasets
computational
models.
By
revealing
trends
models,
this
yields
novel
insights
into
cognitive
neural
mechanisms
the
target
domain.
We
here
present
a
first
systematic
study
taking
to
higher-level
cognition:
human
language
processing,
our
species’
signature
skill.
find
that
most
powerful
‘transformer’
models
predict
nearly
100%
explainable
variance
responses
sentences
generalize
different
imaging
modalities
(fMRI,
ECoG).
Models’
fits
(‘brain
score’)
behavioral
both
strongly
correlated
model
accuracy
on
next-word
prediction
task
(but
not
other
tasks).
Model
architecture
appears
substantially
contribute
fit.
These
results
provide
computationally
explicit
evidence
predictive
processing
fundamentally
shapes
comprehension
brain.
Significance
Language
is
quintessentially
ability.
Research
long
probed
functional
mind
using
diverse
imaging,
behavioral,
approaches.
However,
adequate
neurally
mechanistic
accounts
how
meaning
might
be
extracted
from
sorely
lacking.
Here,
we
report
important
step
toward
addressing
gap
by
connecting
recent
artificial
networks
machine
learning
recordings
during
processing.
up
noise
levels.
Models
perform
better
at
predicting
next
word
sequence
also
measurements
–
providing
Scientific Data,
Journal Year:
2021,
Volume and Issue:
8(1)
Published: Sept. 28, 2021
The
"Narratives"
collection
aggregates
a
variety
of
functional
MRI
datasets
collected
while
human
subjects
listened
to
naturalistic
spoken
stories.
current
release
includes
345
subjects,
891
scans,
and
27
diverse
stories
varying
duration
totaling
~4.6
hours
unique
stimuli
(~43,000
words).
This
data
is
well-suited
for
neuroimaging
analysis,
intended
serve
as
benchmark
models
language
narrative
comprehension.
We
provide
standardized
accompanied
by
rich
metadata,
preprocessed
versions
the
ready
immediate
use,
story
with
time-stamped
phoneme-
word-level
transcripts.
All
code
are
publicly
available
full
provenance
in
keeping
best
practices
transparent
reproducible
neuroimaging.
IEEE Communications Surveys & Tutorials,
Journal Year:
2022,
Volume and Issue:
24(3), P. 1708 - 1749
Published: Jan. 1, 2022
The
commercial
availability
of
low-cost
millimeterwave
(mmWave)
communication
and
radar
devices
is
starting
to
improve
the
adoption
such
technologies
in
consumer
markets,
paving
way
for
large-scale
dense
deployments
fifthgeneration
(5G)-and-beyond
as
well
6G
networks.
At
same
time,
pervasive
mmWave
access
will
enable
device
localization
device-free
sensing
with
unprecedented
accuracy,
especially
respect
sub-6
GHz
commercial-grade
devices.
This
paper
surveys
state
art
device-based
using
devices,
a
focus
on
indoor
deployments.
We
overview
key
concepts
about
signal
propagation
system
design,
detailing
approaches,
algorithms
applications
sensing.
Several
dimensions
are
considered,
including
main
objectives,
techniques,
performance
each
work,
whether
they
reached
an
implementation
stage,
which
hardware
platforms
or
software
tools
were
used.
analyze
theoretical
(including
processing
machine
learning),
technological,
(hardware
prototyping)
aspects,
exposing
under-performing
missing
techniques
items
towards
enabling
highly
effective
human
parameters,
position,
movement,
activity
vital
signs.
Among
many
interesting
findings,
we
observe
that
systems
would
greatly
benefit
from
exposes
channel
information,
better
integration
between
standardcompliant
initial
algorithms,
multiple
points
(APs).
Moreover,
more
advanced
requiring
zero-initial
knowledge
environment
help
simultaneous
mapping
(SLAM).
Machine
learning
(ML)-based
gaining
momentum,
but
still
require
collection
extensive
training
datasets,
do
not
yet
generalize
any
environment,
limiting
their
applicability.
Device-free
(i.e.,
radar-based)
have
be
improved
terms
of:
accuracy
detection
signs
(respiration
heart
rate)
enhanced
robustness/generalization
capabilities
across
different
environments;
moreover,
support
needed
tracking
users,
automatic
creation
networks
largescale
applications.
Finally,
integrated
performing
joint
communications
infancy:
practical
advancements
required
add
functionalities
mmWave-based
protocols
based
orthogonal
frequency-division
multiplexing
(OFDM)
multi-antenna
technologies.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(37)
Published: Jan. 7, 2023
Abstract
Artificial
neuronal
devices
are
critical
building
blocks
of
neuromorphic
computing
systems
and
currently
the
subject
intense
research
motivated
by
application
needs
from
new
technology
more
realistic
brain
emulation.
Researchers
have
proposed
a
range
device
concepts
that
can
mimic
dynamics
functions.
Although
switching
physics
structures
these
artificial
neurons
largely
different,
their
behaviors
be
described
several
neuron
models
in
unified
manner.
In
this
paper,
reports
based
on
emerging
volatile
materials
reviewed
perspective
demonstrated
models,
with
focus
functions
implemented
exploitation
for
computational
sensing
applications.
Furthermore,
neuroscience
inspirations
engineering
methods
to
enrich
remain
networks
toward
realizing
full
functionalities
biological
discussed.
Journal of Computing and Information Science in Engineering,
Journal Year:
2024,
Volume and Issue:
24(4)
Published: Jan. 8, 2024
Abstract
Advancements
in
computing
power
have
recently
made
it
possible
to
utilize
machine
learning
and
deep
push
scientific
forward
a
range
of
disciplines,
such
as
fluid
mechanics,
solid
materials
science,
etc.
The
incorporation
neural
networks
is
particularly
crucial
this
hybridization
process.
Due
their
intrinsic
architecture,
conventional
cannot
be
successfully
trained
scoped
when
data
are
sparse,
which
the
case
many
engineering
domains.
Nonetheless,
provide
foundation
respect
physics-driven
or
knowledge-based
constraints
during
training.
Generally
speaking,
there
three
distinct
network
frameworks
enforce
underlying
physics:
(i)
physics-guided
(PgNNs),
(ii)
physics-informed
(PiNNs),
(iii)
physics-encoded
(PeNNs).
These
methods
advantages
for
accelerating
numerical
modeling
complex
multiscale
multiphysics
phenomena.
In
addition,
recent
developments
operators
(NOs)
add
another
dimension
these
new
simulation
paradigms,
especially
real-time
prediction
systems
required.
All
models
also
come
with
own
unique
drawbacks
limitations
that
call
further
fundamental
research.
This
study
aims
present
review
four
(i.e.,
PgNNs,
PiNNs,
PeNNs,
NOs)
used
state-of-the-art
architectures
applications
reviewed,
discussed,
future
research
opportunities
presented
terms
improving
algorithms,
considering
causalities,
expanding
applications,
coupling
solvers.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: March 30, 2024
Contextual
embeddings,
derived
from
deep
language
models
(DLMs),
provide
a
continuous
vectorial
representation
of
language.
This
embedding
space
differs
fundamentally
the
symbolic
representations
posited
by
traditional
psycholinguistics.
We
hypothesize
that
areas
in
human
brain,
similar
to
DLMs,
rely
on
represent
To
test
this
hypothesis,
we
densely
record
neural
activity
patterns
inferior
frontal
gyrus
(IFG)
three
participants
using
dense
intracranial
arrays
while
they
listened
30-minute
podcast.
From
these
fine-grained
spatiotemporal
recordings,
derive
for
each
word
(i.e.,
brain
embedding)
patient.
Using
stringent
zero-shot
mapping
demonstrate
embeddings
IFG
and
DLM
contextual
have
common
geometric
patterns.
The
allow
us
predict
given
left-out
based
solely
its
geometrical
relationship
other
non-overlapping
words
Furthermore,
show
capture
geometry
better
than
static
embeddings.
exposes
vector-based
code
natural
processing
brain.
Proceedings of the National Academy of Sciences,
Journal Year:
2024,
Volume and Issue:
121(45)
Published: Oct. 29, 2024
Eleven
large
language
models
(LLMs)
were
assessed
using
40
bespoke
false-belief
tasks,
considered
a
gold
standard
in
testing
theory
of
mind
(ToM)
humans.
Each
task
included
scenario,
three
closely
matched
true-belief
control
scenarios,
and
the
reversed
versions
all
four.
An
LLM
had
to
solve
eight
scenarios
single
task.
Older
solved
no
tasks;
Generative
Pre-trained
Transformer
(GPT)-3-davinci-003
(from
November
2022)
ChatGPT-3.5-turbo
March
2023)
20%
ChatGPT-4
June
75%
matching
performance
6-y-old
children
observed
past
studies.
We
explore
potential
interpretation
these
results,
including
intriguing
possibility
that
ToM-like
ability,
previously
unique
humans,
may
have
emerged
as
an
unintended
by-product
LLMs'
improving
skills.
Regardless
how
we
interpret
outcomes,
they
signify
advent
more
powerful
socially
skilled
AI-with
profound
positive
negative
implications.