Journal of Neuroscience,
Journal Year:
2018,
Volume and Issue:
38(19), P. 4471 - 4481
Published: April 10, 2018
The
medial
temporal
lobe
(MTL)
is
widely
implicated
in
supporting
episodic
memory
and
navigation,
but
its
precise
functional
role
organizing
across
time
space
remains
elusive.
Here
we
examine
the
specific
cognitive
processes
implemented
by
MTL
structures
(hippocampus
entorhinal
cortex)
to
organize
using
electrical
brain
stimulation,
leveraging
ability
establish
causal
links
between
regions
features
of
behavior.
We
studied
neurosurgical
patients
both
sexes
who
performed
spatial-navigation
verbal-episodic
tasks
while
stimulation
was
applied
various
during
learning.
During
verbal
task,
disrupted
organization
encoded
memories
such
that
items
learned
with
tended
be
recalled
a
more
randomized
order.
spatial
impaired
subjects'
abilities
remember
located
far
away
from
boundaries.
These
effects
were
MTL.
Our
findings
thus
provide
first
demonstration
humans
are
encode
when
where
events
occurred.
SIGNIFICANCE
STATEMENT
Numerous
studies
have
encoding
memories,
they
not
been
able
causally
demonstrate
nature
which
this
occurs
real-time.
Electrical
region
given
function
high
precision.
By
examining
behavior
task
as
subjects
received
evidence
demonstrating
aspects
memory.
Journal of Inherited Metabolic Disease,
Journal Year:
2018,
Volume and Issue:
41(6), P. 1123 - 1130
Published: July 13, 2018
Abstract
In
this
review,
we
describe
transcranial
electrical
stimulation
(tES)
techniques
currently
being
used
in
neuroscientific
research,
including
direct
current
(tDCS),
alternating
(tACS)
and
random
noise
(tRNS)
techniques.
We
explain
how
these
are
summarise
the
proposed
mechanisms
of
action
for
each
technique.
continue
by
describing
method
has
been
to
alter
endogenous
neuronal
oscillations
connectivity
between
brain
regions,
conclude
highlighting
varying
effects
discussing
future
direction
research.
Proceedings of the National Academy of Sciences,
Journal Year:
2020,
Volume and Issue:
117(45), P. 28463 - 28474
Published: Oct. 27, 2020
Significance
Time
cells
are
neurons
in
the
hippocampus
and
entorhinal
cortex
that
fire
at
specific
moments
within
a
cognitive
task
or
experience.
While
many
prominent
theories
of
memory
encoding
offer
time
as
source
temporal
component
to
memory,
they
have
never
been
observed
human
recordings.
We
identify
cell
populations
medial
lobe
humans
during
retrieval.
Further,
we
demonstrate
stability
signal
provided
by
influences
ability
temporally
order
memories
NeuroImage,
Journal Year:
2022,
Volume and Issue:
260, P. 119438 - 119438
Published: July 2, 2022
Since
the
second
half
of
twentieth
century,
intracranial
electroencephalography
(iEEG),
including
both
electrocorticography
(ECoG)
and
stereo-electroencephalography
(sEEG),
has
provided
an
intimate
view
into
human
brain.
At
interface
between
fundamental
research
clinic,
iEEG
provides
high
temporal
resolution
spatial
specificity
but
comes
with
constraints,
such
as
individual's
tailored
sparsity
electrode
sampling.
Over
years,
researchers
in
neuroscience
developed
their
practices
to
make
most
approach.
Here
we
offer
a
critical
review
didactic
framework
for
newcomers,
well
addressing
issues
encountered
by
proficient
researchers.
The
scope
is
threefold:
(i)
common
research,
(ii)
suggest
potential
guidelines
working
data
answer
frequently
asked
questions
based
on
widespread
practices,
(iii)
current
neurophysiological
knowledge
methodologies,
pave
way
good
practice
standards
research.
organization
this
paper
follows
steps
processing.
first
section
contextualizes
collection.
focuses
localization
electrodes.
third
highlights
main
pre-processing
steps.
fourth
presents
signal
analysis
methods.
fifth
discusses
statistical
approaches.
sixth
draws
some
unique
perspectives
Finally,
ensure
consistent
nomenclature
throughout
manuscript
align
other
guidelines,
e.g.,
Brain
Imaging
Data
Structure
(BIDS)
OHBM
Committee
Best
Practices
Analysis
Sharing
(COBIDAS),
provide
glossary
disambiguate
terms
related
Nature Neuroscience,
Journal Year:
2023,
Volume and Issue:
26(6), P. 1100 - 1110
Published: June 1, 2023
Memory
consolidation
during
sleep
is
thought
to
depend
on
the
coordinated
interplay
between
cortical
slow
waves,
thalamocortical
spindles
and
hippocampal
ripples,
but
direct
evidence
lacking.
Here,
we
implemented
real-time
closed-loop
deep
brain
stimulation
in
human
prefrontal
cortex
tested
its
effects
electrophysiology
overnight
of
declarative
memory.
Synchronizing
active
phases
endogenous
waves
medial
temporal
lobe
(MTL)
enhanced
spindles,
boosted
locking
brain-wide
neural
spiking
activity
MTL
improved
coupling
ripples
oscillations.
Furthermore,
synchronized
accuracy
recognition
By
contrast,
identical
without
this
precise
time-locking
was
not
associated
with,
sometimes
even
degraded,
these
electrophysiological
behavioral
effects.
Notably,
individual
changes
memory
were
highly
correlated
with
Our
results
indicate
that
hippocampo-thalamocortical
synchronization
causally
supports
consolidation.