Fìzìologìčnij žurnal,
Journal Year:
2023,
Volume and Issue:
69(6), P. 22 - 32
Published: Nov. 10, 2023
Operators
are
often
subjected
to
a
high
working
memory
load
as
far
any
possibly
useful
information
must
always
be
available
and
presented
the
operator.
Thus,
we
assumed
that
they
may
have
developed
adaptations
in
mechanisms
of
realization
help
them
more
efficient
overload
conditions.
Our
aim
was
define
differences
visual
functioning
radar
station
operators
(RSO)
other
military
profession
representatives.
For
this
purpose,
parallel
with
performance
original
computer
tests
for
identification,
which
had
two
levels
complexity,
recorded
an
electroencephalogram
subsequent
coherent
LORETA
analysis
electrocardiogram
determining
stress
index
regulatory
systems.
It
found
reaction
time,
well
number
errors
both
tests,
didn`t
differ
significantly
groups.
At
same
control
group
higher
θ-band
connections
frontal
lobe
could
indicate
level
mental
emotional
involvement.
This
assumption
confirmed
by
dynamic
group.
showed
RSO
group,
degree
fronto-parietal,
cingulo-opercular
networks,
cuneus
precuneus
involvement
at
from
very
first
tasks,
while
it
increased
task
is
evidence
adaptive
changes
RSO,
due
successfully
cope
overload.
Cells,
Journal Year:
2024,
Volume and Issue:
13(23), P. 1980 - 1980
Published: Nov. 29, 2024
The
claustrum
is
a
small
but
densely
interconnected
brain
structure
that
innervated
by
axons
containing
serotonin
(5-HT),
neuromodulator
has
been
implicated
in
control
of
sleep
and
the
actions
psychedelic
drugs.
However,
little
known
about
how
5-HT
influences
claustrum.
We
have
combined
whole-cell
patch-clamp
measurements
ionic
currents,
flash
photolysis,
receptor
pharmacology
to
characterize
responses
individual
claustral
projection
neurons
(PNs)
mouse
slices.
Serotonin
application
elicited
long-lasting
outward
current
PNs.
This
was
due
an
increase
membrane
permeability
K+
ions
mediated
mainly
type
1A
(5-HTR-1A).
5-HT-induced
hyperpolarized,
thereby
inhibited,
PNs
reducing
action
potential
firing.
Focal
uncaging
revealed
inhibitory
5-HTR-1As
were
located
at
both
soma
dendrites
conclude
creates
net
inhibition
claustrum,
should
decrease
sensitivity
excitatory
input
from
other
areas
contribute
brain.
Brain Imaging and Behavior,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 29, 2024
Cognitive
flexibility
allows
individuals
to
switch
between
different
tasks,
strategies,
or
ideas;
an
ability
that
is
important
for
everyday
life.
The
Wisconsin
card
sorting
test
(WCST)
and
task
switching
paradigm
(TSP)
are
popular
measures
of
cognitive
flexibility.
Although
both
tasks
require
switching,
the
TSP
requires
participants
memorize
rules
retrieve
them
when
they
view
a
cue
(rule-retrieval),
whereas
classic
WCST
discover
rule
via
trial-and-error
(rule-discovery).
Many
functional
magnetic
resonance
imaging
studies
have
examined
brain
responses
these
tasks.
Extant
meta-analyses
show
concordance
in
activation
widespread
set
areas
including
frontal,
parietal,
cingulate
cortices.
Critically,
past
not
specifically
correlates
associated
with
derivation
(i.e.,
rule-discovery
vs.
rule-retrieval)
We
examine
first
time
common
distinct
WCST)
rule-retrieval
TSP),
as
well
subtypes
using
quantitative
meta-analyses.
analyzed
data
from
69
eligible
articles
total
1617
young-adult
participants.
Conjunction
results
fronto-parietal
predominantly
left
hemisphere.
Contrast
analyses
required
increased
involvement
multiple
cortical
subcortical
regions
such
frontopolar
(Brodmann
Area
10),
insular
cortex,
thalamus
caudate
nucleus
right
No
significant
differences
were
observed
among
three,
sub-types.
propose
neuroanatomical
model
discuss
theoretical
practical
applications.
Frontiers in Systems Neuroscience,
Journal Year:
2024,
Volume and Issue:
18
Published: Aug. 20, 2024
Imagination
represents
a
pivotal
capability
of
human
intelligence.
To
develop
human-like
artificial
intelligence,
uncovering
the
computational
architecture
pertinent
to
imaginative
capabilities
through
reverse
engineering
brain's
functions
is
essential.
The
existing
Structure-Constrained
Interface
Decomposition
(SCID)
method,
leverages
anatomical
structure
brain
extract
architecture.
However,
its
efficacy
limited
narrow
regions,
making
it
unsuitable
for
realizing
function
imagination,
which
involves
diverse
areas
such
as
neocortex,
basal
ganglia,
thalamus,
and
hippocampus.
Communications Biology,
Journal Year:
2024,
Volume and Issue:
7(1)
Published: Nov. 22, 2024
This
study
delves
into
the
claustrum's
role
in
modulating
spontaneous
and
sensory-evoked
network
activity
across
cortical
regions.
Using
mesoscale
calcium
imaging
Gi
Gq
DREADDs
anesthetized
mice,
we
show
that
decreasing
claustral
enhances
prefrontal
activity,
while
activation
reduces
activity.
claustrum
modulation
also
caused
changes
to
brain's
large-scale
functional
networks,
emphasizing
ability
influence
long-range
connectivity
cortex.
Claustrum
inhibition
increased
local
coupling
between
frontal
cortex
areas,
but
reduced
correlation
anterior
medial
regions
lateral/posterior
regions,
enhancing
responses
visual
These
findings
indicate
can
participate
orchestrating
neural
communication
through
of
insights
deepen
our
understanding
impact
on
connectivity,
dynamics,
sensory
processing,
positioning
as
a
key
node
dynamics.
Chemogenetic
claustro-cortical
neurons
alters
measured
by
fluorescence
mice.
Fìzìologìčnij žurnal,
Journal Year:
2023,
Volume and Issue:
69(6), P. 22 - 32
Published: Nov. 10, 2023
Operators
are
often
subjected
to
a
high
working
memory
load
as
far
any
possibly
useful
information
must
always
be
available
and
presented
the
operator.
Thus,
we
assumed
that
they
may
have
developed
adaptations
in
mechanisms
of
realization
help
them
more
efficient
overload
conditions.
Our
aim
was
define
differences
visual
functioning
radar
station
operators
(RSO)
other
military
profession
representatives.
For
this
purpose,
parallel
with
performance
original
computer
tests
for
identification,
which
had
two
levels
complexity,
recorded
an
electroencephalogram
subsequent
coherent
LORETA
analysis
electrocardiogram
determining
stress
index
regulatory
systems.
It
found
reaction
time,
well
number
errors
both
tests,
didn`t
differ
significantly
groups.
At
same
control
group
higher
θ-band
connections
frontal
lobe
could
indicate
level
mental
emotional
involvement.
This
assumption
confirmed
by
dynamic
group.
showed
RSO
group,
degree
fronto-parietal,
cingulo-opercular
networks,
cuneus
precuneus
involvement
at
from
very
first
tasks,
while
it
increased
task
is
evidence
adaptive
changes
RSO,
due
successfully
cope
overload.
