Communications Psychology,
Journal Year:
2024,
Volume and Issue:
2(1)
Published: Nov. 29, 2024
Abstract
Light
exposure
triggers
a
range
of
physiological
and
behavioural
responses
that
can
improve
challenge
health
well-being.
Insights
from
laboratory
studies
have
recently
culminated
in
standards
guidelines
for
measuring
assessing
healthy
light
exposure,
recommendations
levels.
Implicit
to
paradigms
is
simplistic
input-output
relationship
between
its
effects
on
physiology.
This
simplified
approach
ignores
humans
actively
shape
their
through
behaviour
.
article
presents
novel
framework
conceptualises
as
an
individual
meet
specific,
person-based
needs.
Key
shaping
behaviour,
beyond
technology.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: July 26, 2023
The
effect
of
light,
main
zeitgeber
the
circadian
system,
depends
on
time
day
it
is
received.
A
brief
trip
to
Antarctic
summer
(ANT)
allowed
us
explore
impact
a
sudden
and
synchronized
increase
in
light
exposure
activity-rest
rhythms
sleep
patterns
11
Uruguayan
university
students,
assess
significance
history
determining
individual
phase
shift.
Measurements
collected
peri-equinox
Montevideo,
Uruguay
(baseline
situation,
MVD)
ANT,
included
logs,
actigraphy,
salivary
melatonin
determine
dim-light
onset
(DLMO),
most
reliable
marker
phase.
ANT
with
respect
MVD
(affecting
both
light-sensitive
windows
opposite
effects
phase)
resulted
no
net
change
DLMO
among
participants
as
some
advanced
their
others
delayed
it.
ultimate
cause
each
participant's
distinctive
shift
relied
unique
was
subjected
between
ANT.
This
study
shows
an
association
Expert Review of Neurotherapeutics,
Journal Year:
2023,
Volume and Issue:
23(12), P. 1157 - 1171
Published: Oct. 26, 2023
Introduction
Despite
the
growing
number
of
different
therapeutic
options,
treatment
depression
is
still
a
challenge.
A
broader
perspective
reveals
benefits
bright
light
therapy
(BLT).
It
stimulates
intrinsically
photosensitive
retinal
ganglion
cells,
which
induces
complex
cascade
events,
including
alterations
in
melatonergic,
neurotrophic,
GABAergic,
glutamatergic,
noradrenergic,
serotonergic
systems,
and
HPA
axis,
suggesting
that
BLT
effects
expand
beyond
circadian
pacemaker.
Journal of PHYSIOLOGICAL ANTHROPOLOGY,
Journal Year:
2022,
Volume and Issue:
41(1)
Published: Dec. 16, 2022
It
is
known
that
the
circadian
rhythm
phase
in
adults
can
be
advanced
a
natural
light-dark
cycle
without
electrical
lighting.
However,
effect
of
sleep-wake
timing
according
to
on
children's
unclear.
We
investigated
effects
approximately
2
weeks
camping
life
with
little
access
artificial
lighting
phases.
also
conducted
an
exploratory
examination
wake
time
sunrise
manner
advance
their
phases.Twenty-one
healthy
children
(mean
±
SD
age,
10.6
1.4
years)
participated
program
(4:00)
being
earlier
than
(EW
condition),
and
21
(10.4
1.1
(5:00)
almost
matched
(SW
condition).
Salivary
dim
light
melatonin
onset
(DLMO)
before
after
were
compared.DLMO
was
by
h
compared
daily
both
conditions.
In
addition,
advances
DLMO
significantly
correlated
mid-sleep
points
camp
conditions
(EW:
r
=
0.72,
p
<
0.01,
SW:
0.70,
0.01).
These
correlations
mean
greater
for
delayed
sleep
habits
life.
Furthermore,
EW
condition,
(18:09
0:33
h)
sunset
there
no
significant
decrease
interindividual
variability
DLMO.
On
other
hand,
SW
(18:43
0:20
lower
camp.Camping
under
sunlight
early
waking
condition
may
lead
large
phase.
Biological Psychology,
Journal Year:
2024,
Volume and Issue:
192, P. 108845 - 108845
Published: July 7, 2024
Light
regulates
both
image-
and
various
non-image
forming
responses
in
humans,
including
acute
effects
on
attention
affect.
To
advance
the
understanding
of
light's
immediate
effects,
this
systematic
review
describes
monochromatic/narrow
bandwidth
polychromatic
white
light
during
daytime
distinct
aspects
(alertness,
sustained
attention,
working
memory,
attentional
control
flexibility),
measures
affect
(self-report
measures,
performance-based
tests,
psychophysiological
measures)
healthy,
adult
human
subjects.
Original,
peer-reviewed
(quasi-)
experimental
studies
published
between
2000
May
2024
were
included
according
to
predefined
inclusion
exclusion
criteria.
Study
quality
was
assessed,
results
synthesized
across
grouped
interventions;
monochromatic/narrowband-width
or
(regular
white,
bright
with
high
correlated
color
temperature
(CCT)).
Results
from
(n
=
62)
showed
that
alertness
memory
most
affected
by
light.
Electroencephalographic
markers
improved
exposure
narrow
long-wavelength
light,
regular
CCT.
Self-reported
testing
flexibility
inconclusive.
Performance-based
only
influenced
Polychromatic
exerted
mixed
self-reported
Studies
strongly
heterogeneous
terms
stimuli
characteristics
reporting
variables
influencing
effects.
Communications Psychology,
Journal Year:
2024,
Volume and Issue:
2(1)
Published: Nov. 29, 2024
Abstract
Light
exposure
triggers
a
range
of
physiological
and
behavioural
responses
that
can
improve
challenge
health
well-being.
Insights
from
laboratory
studies
have
recently
culminated
in
standards
guidelines
for
measuring
assessing
healthy
light
exposure,
recommendations
levels.
Implicit
to
paradigms
is
simplistic
input-output
relationship
between
its
effects
on
physiology.
This
simplified
approach
ignores
humans
actively
shape
their
through
behaviour
.
article
presents
novel
framework
conceptualises
as
an
individual
meet
specific,
person-based
needs.
Key
shaping
behaviour,
beyond
technology.
