Journal of Clinical Medicine,
Journal Year:
2021,
Volume and Issue:
10(8), P. 1560 - 1560
Published: April 8, 2021
Background:
On
the
one
hand,
hypoxic
exposure
may
result
in
progressive
brain
metabolism
disturbance,
causing
subsequent
cognitive
impairments.
other
it
might
also
enhance
neurogenesis
and
vascularization
as
well
accelerate
cerebral
blood
flow,
leading
to
function
improvement.
The
aim
of
this
study
was
investigate
whether
stages
normobaric
hypoxia
(NH)
(FIO2
=
13%,
FIO2
12%,
11%)
differentially
affect
post-exposure
performance.
Methods:
Fifteen
physically
active
men
(age
23.1
±
2.1)
participated
study.
Stroop
test
(ST)
applied
assess
function.
To
generate
NH
conditions,
a
air
generator
used.
Results:
We
observed
an
executive
impairment
(“naming”
interference
p
<
0.05)
after
13%).
After
at
12%
11%,
no
changes
were
test.
Also,
SpO2
during
observed.
Conclusions:
current
investigation
shows
that
functions
deteriorate
acute
deterioration
is
not
proportional
among
young
males.
Journal of Clinical Medicine,
Journal Year:
2018,
Volume and Issue:
7(12), P. 466 - 466
Published: Nov. 22, 2018
For
cognitive
processes
to
function
well,
it
is
essential
that
the
brain
optimally
supplied
with
oxygen
and
blood.
In
recent
years,
evidence
has
emerged
suggesting
cerebral
oxygenation
hemodynamics
can
be
modified
physical
activity.
To
better
understand
relationship
between
oxygenation/hemodynamics,
activity,
cognition,
application
of
state-of-the
art
neuroimaging
tools
essential.
Functional
near-infrared
spectroscopy
(fNIRS)
such
a
tool
especially
suitable
investigate
effects
activity/exercises
on
due
its
capability
quantify
changes
in
concentration
oxygenated
hemoglobin
(oxyHb)
deoxygenated
(deoxyHb)
non-invasively
human
brain.
However,
currently
there
no
clear
standardized
procedure
regarding
application,
data
processing,
analysis
fNIRS,
large
heterogeneity
how
fNIRS
applied
field
exercise–cognition
science.
Therefore,
this
review
aims
summarize
current
methodological
knowledge
about
studies
measuring
cortical
hemodynamic
responses
during
testing
(i)
prior
after
different
activities
interventions,
(ii)
cross-sectional
accounting
for
fitness
level
their
participants.
Based
methodology
35
as
relevant
considered
publications,
we
outline
recommendations
future
Scandinavian Journal of Medicine and Science in Sports,
Journal Year:
2019,
Volume and Issue:
30(3), P. 384 - 398
Published: Oct. 12, 2019
Acute
moderate
intensity
exercise
has
been
shown
to
improve
cognitive
performance.
In
contrast,
hypoxia
is
believed
impair
The
detrimental
effects
of
on
performance
are
primarily
dependent
the
severity
and
duration
exposure.
this
review,
we
describe
how
acute
under
alters
performance,
propose
that
combined
mainly
determined
by
interaction
among
duration,
hypoxia,
exposure
hypoxia.
We
discuss
physiological
mechanism(s)
suggest
alterations
in
neurotransmitter
function,
cerebral
blood
flow,
possibly
metabolism
primary
candidates
determine
when
with
Furthermore,
acclimatization
appears
counteract
impaired
during
prolonged
although
precise
responsible
for
amelioration
remain
be
elucidated.
This
review
implications
sporting,
occupational,
recreational
activities
at
terrestrial
high
altitude
where
essential.
Further
studies
required
understand
mechanisms
performed
Scientific Reports,
Journal Year:
2021,
Volume and Issue:
11(1)
Published: Nov. 22, 2021
Running,
compared
to
pedaling
is
a
whole-body
locomotive
movement
that
may
confer
more
mental
health
via
strongly
stimulating
brains,
although
running
impacts
on
but
their
underlying
brain
mechanisms
have
yet
be
determined;
since
almost
the
mechanistic
studies
been
done
with
pedaling.
We
thus
aimed
at
determining
acute
effect
of
single
bout
moderate-intensity,
most
popular
condition,
mood
and
executive
function
as
well
neural
substrates
in
prefrontal
cortex
(PFC).
Twenty-six
healthy
participants
completed
both
10-min
session
treadmill
50%[Formula:
see
text]
resting
control
randomized
order.
Executive
was
assessed
using
Stroop
interference
time
from
color-word
matching
task
(CWST)
Two-Dimensional
Mood
Scale,
before
after
sessions.
Prefrontal
hemodynamic
changes
while
performing
CWST
were
investigated
functional
near-infrared
spectroscopy.
Running
resulted
significant
enhanced
arousal
pleasure
level
control.
also
caused
greater
reduction
increase
Oxy-Hb
signals
bilateral
PFCs.
Besides,
we
found
association
among
level,
reaction
time,
left
dorsolateral
PFCs:
important
loci
for
inhibitory
regulation.
To
our
knowledge,
an
moderate-intensity
has
beneficial
inducing
positive
enhancing
coinciding
cortical
activation
subregions
involved
These
results
together
previous
findings
imply
specificity
moderate
benefits
promoting
cognition
pleasant
mood.
The Journal of Physiological Sciences,
Journal Year:
2018,
Volume and Issue:
68(6), P. 847 - 853
Published: March 13, 2018
Although
it
has
been
traditionally
thought
that
decreasing
SpO2
with
ascent
to
high
altitudes
not
only
induces
acute
mountain
sickness
but
also
can
decrease
executive
function,
the
relationship
between
decreased
levels
and
hypoxia-induced
lowered
function
is
still
unclear.
Here
we
aimed
clarify
whether
was
associated
arterial
oxygen
desaturation,
using
21
participants
performing
color–word
Stroop
task
under
normoxic
three
hypoxic
conditions
(FIO2
=
0.165,
0.135,
0.105;
corresponding
of
2000,
3500,
5000
m,
respectively).
interference
significantly
increased
severe
condition
0.105)
compared
other
conditions.
Moreover,
there
a
negative
correlation
SpO2.
In
conclusion,
exposure
this
effect
We
initially
implicated
an
desaturation
as
potential
physiological
factor
resulting
in
function.
JMIR Serious Games,
Journal Year:
2022,
Volume and Issue:
10(3), P. e38200 - e38200
Published: Sept. 2, 2022
Virtual
reality
(VR)
exergaming
is
a
new
intervention
strategy
to
help
humans
engage
in
physical
activity
enhance
mood.
VR
may
improve
both
mood
and
executive
function
by
acting
on
the
prefrontal
cortex,
expanding
potential
benefits.
However,
impact
of
has
not
been
fully
investigated,
associated
strategies
have
yet
established.This
study
aims
investigate
effects
10
minutes
function.A
total
12
participants
played
exergame
"FitXR"
under
3
conditions:
(1)
condition
(ie,
exercise
with
head-mounted
display
[VR-EX])
which
they
using
display,
(2)
playing
front
flat
(2D-EX),
(3)
resting
sat
chair.
The
color-word
Stroop
task
(CWST),
assesses
function;
short
form
Profile
Mood
States
second
edition
(POMS2);
Two-Dimensional
Scale
(TDMS),
assess
mood,
were
administered
before
after
or
rest
conditions.The
VR-EX
increased
POMS2
vigor
score
(rest
VR-EX:
t11=3.69,
P=.003)
as
well
TDMS
arousal
vs
2D-EX:
t11=5.34,
P<.001;
t11=5.99,
2D-EX
t11=3.02,
P=.01)
vitality
scores
t11=3.74,
P=.007;
t11=4.84,
P=.002;
t11=3.53,
P=.006),
suggesting
that
enhanced
Conversely,
there
was
no
effect
CWST
performance
either
conditions.
Interestingly,
showed
significant
positive
correlation
between
changes
reaction
time
(r=0.58,
P=.046).
This
suggests
improving
disappear
an
excessively
level
exergaming.Our
findings
but
did
affect
function.
some
content
increase
cognitive
demands,
leading
psychological
fatigue
decline
individual
approaches
limits
available
attentional
capacity.
Future
research
must
examine
combination
enhances
brain
IEEE Access,
Journal Year:
2019,
Volume and Issue:
7, P. 167172 - 167186
Published: Jan. 1, 2019
Drowsiness/sleepiness
is
a
serious
issue
that
needs
to
be
addressed
for
improvement
in
the
safety
of
road
driving.
Past
statistical
data
on
accidents
has
shown
enormous
increases
car
crashes
due
drowsy/sleepy
feelings.
This
study
comprehensively
summarizes
all
aspects
drowsy
state
and
its
effects
during
driving:
symptoms,
causes,
preventive
actions,
accident
statistics,
sleep
stages,
behavioral,
physiological
neural
activation
changes
occurring
wakefulness
state.
It
considers
drivers'
behavioral
corresponding
methodologies
analysis,
biomedical
signals
human
body
(including
neuronal
forms
electrical
hemodynamic
responses),
their
use
drowsiness
detection.
All
existing
methodologies,
uses
pros
cons,
are
summarized.
A
detailed
survey
published
by
neuro-imaging
methodology-,
signal-
methodology-based
studies
addition
using
electro-mechanical
installed
sensors
statistically
theoretically
Additionally,
activity
awake
states
analyzed,
important
contributions
fNIRS,
fMRI
EEG
this
context
discussed
detail.
Differing
drowsiness-detection
systems
popular
brands
also
reviewed.
Finally,
remaining
challenges
future
suggestions
summarized
as
well.