International Journal of Molecular Sciences,
Journal Year:
2013,
Volume and Issue:
14(2), P. 2573 - 2589
Published: Jan. 28, 2013
Life
in
24-h
society
relies
on
the
use
of
artificial
light
at
night
that
might
disrupt
synchronization
endogenous
circadian
timing
system
to
solar
day.
This
could
have
a
negative
impact
sleep-wake
patterns
and
psychiatric
symptoms.
The
aim
study
was
investigate
influence
evening
emitted
by
domestic
work
place
lamps
naturalistic
setting
melatonin
levels
alertness
humans.
Healthy
subjects
(6
male,
3
female,
22-33
years)
were
exposed
constant
dim
(<10
lx)
for
six
evenings
from
7:00
p.m.
midnight.
On
2
through
6,
1
h
before
habitual
bedtime,
they
also
5
different
conventional
30
min.
Exposure
yellow
did
not
alter
increase
saliva
compared
baseline
during
(38
±
27
pg/mL
vs.
39
23
pg/mL)
after
exposure
(39
22
44
26
pg/mL).
In
contrast,
lighting
conditions
including
blue
components
reduced
significantly
both
(office
daylight
white:
25
16
pg/mL,
bathroom
24
10
Planon
warm
14
hall
15
9
13
Subjective
increased
three
which
included
spectral
their
spectra.
Evening
an
everyday
influences
excretion
perception
within
Journal of the Optical Society of America A,
Journal Year:
2018,
Volume and Issue:
35(4), P. B19 - B19
Published: Jan. 29, 2018
We
determined
the
contributions
of
cone
and
melanopsin
luminance
signaling
to
human
brightness
perception.
The
absolute
four
narrowband
primary
lights
presented
in
a
full-field
Ganzfeld
was
estimated
two
conditions,
either
luminance-equated
(186.7−1,867.0
cd·m−2)
or
(31.6−316.3
cd·m−2).
show
that
estimations
for
each
light
follow
an
approximately
linear
increase
with
increasing
(in
log
units),
but
are
not
equivalent
equated
luminance.
Instead,
result
from
combined
interaction
between
signaling.
Analytical
modeling
wavelength-dependent
coefficients
signifies
positively
correlates
magnitudes,
has
contribution
components,
one
is
additive
second
negative,
implying
adaptation
process.
These
results
provide
new
framework
evaluating
physiological
basis
perception
have
direct
practical
applications
development
energy-efficient
sources.
Frontiers in Neurology,
Journal Year:
2018,
Volume and Issue:
9
Published: Nov. 27, 2018
The
human
pupillary
light
response
is
driven
by
all
classes
of
photoreceptors
in
the
eye-the
three
cones,
rods,
and
intrinsically
photosensitive
retinal
ganglion
cells
(ipRGCs)
expressing
photopigment
melanopsin.
These
photoreceptor
have
distinct
but
overlapping
spectral
tuning,
even
a
monochromatic
with
wavelength
matched
to
peak
sensitivity
given
will
stimulate
photoreceptors.
method
silent
substitution
uses
pairs
lights
("metamers")
selectively
class
while
keeping
activation
others
constant.
In
this
primer,
we
describe
provide
an
overview
studies
that
used
it
examine
inputs
response.
International Journal of Molecular Sciences,
Journal Year:
2013,
Volume and Issue:
14(2), P. 2573 - 2589
Published: Jan. 28, 2013
Life
in
24-h
society
relies
on
the
use
of
artificial
light
at
night
that
might
disrupt
synchronization
endogenous
circadian
timing
system
to
solar
day.
This
could
have
a
negative
impact
sleep-wake
patterns
and
psychiatric
symptoms.
The
aim
study
was
investigate
influence
evening
emitted
by
domestic
work
place
lamps
naturalistic
setting
melatonin
levels
alertness
humans.
Healthy
subjects
(6
male,
3
female,
22-33
years)
were
exposed
constant
dim
(<10
lx)
for
six
evenings
from
7:00
p.m.
midnight.
On
2
through
6,
1
h
before
habitual
bedtime,
they
also
5
different
conventional
30
min.
Exposure
yellow
did
not
alter
increase
saliva
compared
baseline
during
(38
±
27
pg/mL
vs.
39
23
pg/mL)
after
exposure
(39
22
44
26
pg/mL).
In
contrast,
lighting
conditions
including
blue
components
reduced
significantly
both
(office
daylight
white:
25
16
pg/mL,
bathroom
24
10
Planon
warm
14
hall
15
9
13
Subjective
increased
three
which
included
spectral
their
spectra.
Evening
an
everyday
influences
excretion
perception
within
