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Ca
mp
os
de
ap
lica
tivo
s d
o P
SiO
Pe
rfo
rma
nce
Re
laxa
me
nto
M
ed
ita
ção
Mu
sica
PS
IO 1
.1
PS
IO is a
pa
ir o
f gla
sse
s f
itte
d w
ith
an
MP
3 p
laye
r ge
ne
ratin
g c
olo
red
stim
ula
tions.
Ho
w d
oes
it
wo
rk
?
Th
e c
olo
rs s
tim
ula
te y
ou
r m
ind
an
d p
uts
yo
ur
tho
ugh
ts o
n
yo
ur
att
en
tio
n is
first
in a
flo
atin
g
sta
te th
en
at re
st.
Th
e P
SiO
eff
ect
H
ow
do
es
it w
ork
?
3 a
ctio
ns
op
era
te e
ith
er
sim
ult
an
eo
usl
y o
r in
pa
rt
- C
olo
red
lig
ht
- A
ud
io &
Vis
ua
l ry
thm
s
- V
oic
es
Re
laxa
tio
n
Me
dit
ati
on
Pe
rfo
rma
nce
Mu
sic
We
lco
me
to
PS
IO P
LAN
ET
!
A n
ew
wo
rld
of
ap
pli
cati
on
s is
ava
ila
ble
fo
r d
isco
ve
ry b
y P
SiO
bu
ye
rs.
Re
cen
tly,
Na
sa h
as
pu
rch
ase
d P
SiO
fo
r st
ress
m
an
ag
em
en
t o
f th
e e
ng
ine
er
tea
m.
Th
e P
SiO
is
a n
ew
de
vic
e t
ha
t co
me
s in
th
e f
orm
of
a p
air
of
gla
sse
s ch
ock
fu
ll
of
hig
h-t
ech
ele
ctro
nic
s th
at
em
it c
olo
ure
d l
igh
t a
nd
pu
lsa
tin
g s
ou
nd
.
Th
ey
are
ap
pli
cati
on
s fo
r yo
ur
we
ll-b
ein
g a
nd
a r
etu
rn t
o e
qu
ilib
riu
m i
n a
co
nst
an
tly
ch
an
gin
g w
orl
d.
Bu
t th
ere
's
mo
re t
o i
t!
Th
ere
are
fo
ur
fam
ilie
s o
f P
SIO
ap
pli
cati
on
s a
nd
, in
a w
ay,
fo
ur
sta
tes
of
min
d f
or
its
use
:
- R
ela
xa
tio
n
- M
ed
ita
tio
n
- P
erf
orm
an
ce
- M
usi
c
Th
e m
ind
na
tura
lly
fo
llo
ws
fou
r m
od
es
of
op
era
tio
n,
a b
it l
ike
th
e o
ne
s co
ntr
oll
ed
by
th
e b
utt
on
s o
f a
vid
eo
m
ach
ine
. T
he
re
sult
is
a m
ajo
r in
cre
ase
in
pe
rso
na
l a
bil
itie
s. S
tart
ing
wit
h t
he
fo
ur
leve
ls o
f
con
scio
usn
ess
, g
en
era
ted
an
d m
ain
tain
ed
by
th
e s
tim
ula
tio
n p
rod
uce
d b
y t
he
gla
sse
s, t
he
re a
re
do
zen
s o
f p
rog
ram
me
s w
ith
dif
fere
nt
the
me
s:
Fo
r e
xa
mp
le,
stre
ss m
an
ag
em
en
t fo
r h
ea
da
che
s T
his
is
on
e o
f th
e m
an
y a
pp
lica
tio
ns
of
the
re
laxa
tio
n m
od
e
(wit
h s
ug
ge
stiv
e v
oic
es,
co
ol
mu
sic
an
d n
atu
re s
ou
nd
s)
Fo
r e
xa
mp
le,
ind
uci
ng
sle
ep
O
ne
of
the
ma
ny
po
ssib
ilit
ies
of
the
me
dit
ati
on
mo
de
(b
y v
oic
e,
sug
ge
stio
n a
nd
re
laxa
tio
n m
usi
c)
Cre
ati
on
of
a s
tate
pro
mo
tin
g m
em
ori
sati
on
O
ne
of
the
se
ve
n a
pp
lica
tio
ns
of
the
pe
rfo
rma
nce
mo
de
(w
ith
so
un
d a
nd
co
lou
red
lig
hts
)
En
erg
isin
g w
ith
co
lou
red
mu
sic
fro
m C
lau
de
Ch
all
e
An
ap
pli
cati
on
of
the
mu
sic
mo
de
. C
lau
de
Ch
all
e is
the
cre
ato
r o
f th
e "
Bu
dd
ha
Ba
r" r
eco
rd
lab
el.
(M
usi
c b
ath
ed
in
da
zzli
ng
co
lou
rs).
You
ha
ve
to
try
th
e P
SIO
to
un
de
rsta
nd
to
wh
at
ext
en
t it
ta
kes
the
min
d..
.els
ew
he
re.
In a
n in
ne
r w
orl
d,
wh
ere
it
sto
ps
rum
ina
tio
n c
om
ple
tely
, it
is
wit
ho
ut
a d
ou
bt
the
ne
w w
ay,
pa
r e
xce
lle
nce
, to
in
tell
ige
ntl
y r
ecu
pe
rate
an
d r
eco
ve
r fa
ste
r, r
eg
ard
less
of
the
mo
de
se
lect
ed
. It
s o
nly
sid
e e
ffe
ct i
s th
e c
om
mo
n d
en
om
ina
tor
of
all
of
the
sta
tes
of
min
d it
ge
ne
rate
s (!
): t
ha
t is
, u
nd
en
iab
le
EN
ER
GIS
ING
po
we
r!
Th
e P
SIO
se
ts i
tse
lf a
pa
rt f
rom
all
of
the
ch
em
ica
l m
eth
od
s th
at
we
re t
he
on
ly w
ay
to
ach
ieve
Th
e P
SIO
is
the
re
sult
of
the
re
sea
rch
s d
on
e b
y
Sté
ph
an
e D
um
on
cea
u-K
rsm
an
ov
ic in
ap
pli
ed
sp
ort
s p
sych
olo
gy
con
sole
co
nn
ect
ed
to
a p
air
of
gla
sse
s e
qu
ipp
ed
of
red
dio
ds,
an
he
ad
ph
on
e a
nd
a C
D p
laye
r) ,
th
e P
SIO
pro
ject
ha
s b
ee
n d
eve
lop
pe
d t
hro
ug
h a
ne
w c
om
pa
ny,
P
SY
CH
OM
ED
.co
m S
A,
wit
h a
n i
nte
rna
tio
na
l a
ura
.
Fo
r a
pe
rfe
ct l
igh
t st
imu
lati
on
PS
YC
HO
ME
D h
as
wo
rke
d w
ith
th
e l
ab
ora
tory
of
Pro
f H
ab
rake
n,
a p
rofe
sso
r o
f
Op
tica
l P
hysi
cs a
t th
e U
niv
ers
ity
of
Lie
ge
. A
lre
ad
y k
no
wn
fo
r h
is c
oll
ab
ora
tio
n w
ith
th
e B
elg
ian
sp
ace
ce
ntr
e
(wh
ich
is
ma
kin
g t
he
mir
ror
for
the
fa
mo
us
Jam
es
We
b s
pa
ce t
ele
sco
pe
), P
rof
Ha
bra
ken
's w
ork
an
d h
is m
an
y
lig
ht
refl
ect
ion
pa
ten
ts c
au
gh
t th
e a
tte
nti
on
of
the
re
sea
rch
te
am
at
PS
YC
HO
ME
D
a r
evo
luti
on
ary
de
vic
e,
no
w a
n A
LL I
N O
NE
pro
du
ct,
th
at
com
es
in t
he
fo
rm o
f fu
turi
stic
gla
sse
s. T
he
re
sult
wa
s th
at
PSYC
HO
ME
D a
nd
Lie
ge
Un
ive
rsit
y d
eci
de
d t
o j
oin
tly
fil
e a
n i
nte
rna
tio
na
l p
ate
nt
for
the
ne
w i
nve
nti
on
.
P
rofe
sse
ur
Ha
bra
ke
n
Sté
ph
an
e D
um
on
cea
u
C
on
cep
teu
r
Bra
in T
ech
Leo
po
ldo
Kn
eit
Wit
h 2
0 y
ea
rs o
f cl
inic
al
exp
eri
en
ce i
n u
niv
ers
ity
ho
spit
als
an
d f
ou
r ye
ars
of
rese
arc
h a
nd
de
ve
lop
me
nt,
PS
YC
HO
ME
D h
as
init
iate
d t
he
in
tern
ati
on
al
lau
nch
of
the
PS
IO,
MP
3-C
olo
r P
laye
r fo
r p
riva
te u
se.
Th
e w
orl
d o
f re
laxa
tio
n t
hro
ug
h s
ou
nd
an
d c
olo
ur
wil
l n
ow
be
co
min
g t
o o
ur
ho
me
s...
!
Me
lato
nin
in
hib
itio
n a
nd
lig
ht
spe
ctru
m
Op
tim
al
spe
ctru
m f
or
me
lato
nin
in
hib
itio
n
In 2
00
0 y
ea
rs,
Dr
Bra
ina
rd p
reci
se t
ha
t th
e o
pti
ma
l a
ctio
n s
pe
ctru
m o
f th
e l
igh
t fo
r th
e m
ela
ton
in i
nh
ibit
ion
wa
s
be
twe
en
46
0 n
m a
nd
48
5 n
m (
= b
lue
lig
ht)
.
Fin
all
y, G
eo
rge
s B
rain
ard
te
am
fro
m t
he
Th
om
as
Jeff
ers
on
Un
ive
rsit
y h
as
dis
cove
red
th
at
am
on
g t
he
fu
ll s
pe
ctru
m l
igh
t
it w
as
the
47
0 n
m b
lue
lig
ht
wh
ich
ha
s th
e m
ost
po
we
rfu
l e
ffic
ien
cy f
or
the
in
hib
itio
n o
f m
ela
ton
in,
the
sle
ep
ho
rmo
ne
.
Wh
en
th
e r
ed
, o
ran
ge
an
d y
ell
ow
ha
d n
o i
nfl
ue
nce
on
th
is s
ecr
eti
on
.
Ho
rmo
ne
s a
nd
lig
ht
stim
ula
tio
n
Ad
ren
ali
ne
, S
ero
ton
in a
nd
Co
rtis
ol
are
ge
ne
rate
d v
ia t
he
lig
ht
stim
ula
tio
n w
he
n i
t is
in
hib
ati
ng
me
lato
nin
, a
de
no
sin
a
nd
ore
xin
s (s
lee
p a
nd
ph
ysi
olo
gic
al
rest
ho
rmo
ne
s).
Fro
m t
he
se o
bse
rva
tio
ns,
are
no
w e
xist
ing
se
ve
ral
lin
es
of
clo
cks
by
lig
ht
rep
laci
ng
cla
ssic
als
clo
cks
by
so
un
ds.
Mo
reo
ve
r si
nce
th
e e
igh
tie
s se
arc
he
r re
ali
zed
th
at
mis
sin
g l
igh
t w
as
a
po
ssib
le e
xpla
na
tio
n t
o m
oo
d t
rou
ble
s.
Dis
cov
ery
of
the
ey
es
no
n v
isu
al
syst
em
fo
r ci
rca
dia
n c
ycl
e r
eg
ula
tio
n
Hu
ma
n r
eti
nal
ph
oto
rec
ep
tor
cell
s
L
igh
t s
en
sin
g s
tru
ctu
re o
f th
e
ph
oto
rec
ep
tors
ap
pea
rs b
rig
ht
gre
en
(V
an
n B
en
nett
Lab
)
In 2
00
2,
Da
vid
Be
rso
n d
e B
row
n U
niv
ers
ity
dis
cove
red
th
e M
ELA
NO
PS
IN p
igm
en
t in
th
e r
eti
na
l ti
ssu
e,
just
in
fro
nt
of
the
ro
ds
an
d c
on
s. T
his
pig
me
nt
wa
s in
de
ed
sp
eci
fica
lly
se
nsi
tive
to
th
e b
lue
lig
ht.
Th
is p
ho
tose
nsi
tive
pig
me
nt
is t
hu
s
tra
nsm
itti
ng
th
e l
igh
t to
th
e b
rain
via
a n
on
vis
ua
l sy
ste
m (
op
po
site
to
th
e v
isu
al
syst
em
of
rod
s a
nd
co
ns)
. T
his
scie
nti
fic
tea
m h
as
als
o d
isco
ve
red
th
at
this
no
n v
isu
al
syst
em
wa
s a
lso
re
spo
nsi
ble
of
the
re
gu
lati
on
of
the
bio
log
ic
clo
ck a
s w
ell
as
the
le
ve
l o
f vig
ila
nce
an
d t
he
ale
rtin
g s
yst
em
. M
em
ory
, a
tte
nti
on
sp
an
, re
act
ion
tim
es,
ale
rtn
ess
,
lea
rnin
g a
bil
ity
an
d c
og
nit
ive
pro
cess
es
all
pe
rfo
rm m
uch
be
tte
r u
nd
er
blu
e l
igh
t. I
n f
act
, a
stu
dy
by
Dr.
Le
hrl
an
d
coll
ea
gu
es
in G
erm
an
y s
ho
we
d a
n i
mm
ed
iate
im
pro
ve
me
nt
in l
ea
rnin
g p
roce
ss e
qu
iva
len
t to
a 5
po
ints
in
cre
ase
in
I.Q
.
Do
min
an
t w
av
e l
en
gth
of
Psi
o's
blu
e l
igh
t e
mit
tin
g d
iod
e (
Osr
am
)
Fo
r in
form
ati
on
, th
e d
iod
es
eq
uip
pin
g t
he
PS
IO h
ave
a b
lue
lig
ht
wit
h a
do
min
an
t w
ave
le
ng
th o
f 4
70
nm
.
Blu
e l
igh
t o
pti
ma
l p
ow
er
(lu
x)
Co
nce
rnin
g t
he
ne
cess
ary
po
we
r o
f th
e l
igh
t, i
t h
as
be
en
dis
cove
red
th
at
ve
ry l
ow
le
ve
ls o
f b
lue
lig
ht
ha
ve
sim
ila
r e
ffe
ct
tha
n 5
0 t
ime
th
e i
nte
nsi
ty o
f a
fu
ll s
pe
ctru
m l
igh
t !
Op
tim
al
blu
e l
igh
t in
ten
sity
is
fro
m 1
5 t
o 1
8 l
ux.
Exa
mp
le o
f su
pp
ress
ion
of
me
lato
nin
ha
s b
ee
n d
on
e w
ith
a h
alf
re
sult
fo
r a
25
tim
e l
ess
lu
x in
ten
sity
:
PS
IO B
lue
lig
ht
po
we
r (l
ux
)
Th
e m
ea
sure
me
nt
of
blu
e lig
ht
to 4
70
nm
em
itte
d b
y P
SIO
1.1
is
16
.2 l
ux
wh
ich
is
a q
uit
e g
oo
d
illu
min
ati
on
fo
r th
e N
V s
yst
em
of
me
lan
op
sin
ph
oto
sen
siti
ve
re
cep
tors
.
Il
lum
ina
nce
me
asu
rem
en
t
Me
asu
red
re
sult
s W
av
ele
ng
ht
me
asu
rem
en
t
Co
lore
d l
igh
t a
nd
PS
IO s
ess
ion
s
Se
ssio
ns
for
aw
ake
nin
g,
con
cen
tra
tio
n a
nd
cre
ati
vit
y a
re t
hu
s b
uil
d u
sin
g s
uch
co
lor
wa
ve
len
gth
wh
en
su
gg
est
ion
pro
gra
ms
are
usi
ng
wa
rm c
olo
rs (
Re
d,
ora
ng
e a
nd
ye
llo
w)
ha
vin
g n
o i
nfl
ue
nce
on
th
e m
ela
ton
in i
nh
ibit
ion
fro
m o
ne
sid
e a
nd
fro
m a
no
the
r si
de
are
th
e b
est
co
lors
pa
ssin
g t
hro
ug
h t
he
eye
lid
s (b
ein
g a
dm
itte
d t
ha
t d
uri
ng
lo
ng
su
gg
est
ion
sess
ion
s, a
fte
r se
ve
ral
rela
xati
on
exe
rcis
es
an
d i
nd
uct
ion
of
lett
ing
go
fo
r th
e a
tte
nti
on
, e
ye
lid
s a
uto
ma
tica
lly
clo
se).
Mo
st o
f th
e "
pe
rfo
rma
nce
" a
pp
lica
tio
ns
sess
ion
s o
f th
e P
SIO
ca
n t
hu
s b
e a
sig
nif
ica
nt
he
lp f
or
stu
de
nts
or
bu
sin
ess
pe
op
le d
uri
ng
in
ten
sive
in
tell
ect
ua
l p
eri
od
as
the
le
ve
l o
f vig
ila
nce
ca
n b
e s
tim
ula
ted
as
we
ll a
s cr
ea
tivit
y, a
lert
ne
ss a
nd
con
cen
tra
tio
n.
Th
e s
ess
ion
wil
l b
e d
on
e i
n t
he
mo
rnin
g e
ve
n i
n b
ed
be
fore
to
wa
ke u
p t
ota
lly
or
aft
er
the
lu
nch
as
a
stro
ng
po
we
r n
ap
.
Co
mp
lem
en
tary
, th
e l
ett
ing
go
se
ssio
ns
an
d r
est
ful
sug
ge
stio
ns
sess
ion
s (w
he
n t
he
co
rtic
al
bra
in i
s re
ste
d)
pro
po
sed
in
th
e "
Ba
lan
ce"
sect
ion
ca
n b
e u
sed
as
a r
ecu
pe
rati
on
so
luti
on
as
we
ll a
s a
n o
pti
ma
l st
ate
fo
r e
nh
an
ce m
em
ori
zati
on
an
d
imp
rove
da
ta p
roce
ssin
g.
Th
e s
ess
ion
s w
ill
be
do
ne
in
aft
ern
oo
n o
r b
efo
re t
he
nig
ht
as
a r
ela
xati
on
se
ssio
n b
efo
re t
o
sle
ep
.
colo
ure
d l
igh
t w
ith
wa
ve
len
gth
47
0 n
m.
Th
is e
xpla
ins
wh
y p
eo
ple
w
ho
wo
rk in
do
ors
an
d a
re m
ost
ly e
xpo
sed
to
art
ific
ial
lig
ht
ma
y w
itn
ess
sle
ep
dis
ord
ers
an
d j
et
lag
. T
he
cir
cad
ian
cycl
e
is c
om
ple
tely
sh
ifte
d d
ue
to
a d
rast
ic c
ha
ng
e i
n t
he
lif
est
yle
of
pe
op
le w
hic
h h
ave
sh
ifte
d f
rom
an
ou
tdo
or
life
to
an
in
do
or
exi
ste
nce
, th
us
bri
ng
ing
th
e a
ve
rag
e a
mo
un
t o
f d
ay
lig
ht
rece
ive
d i
n a
da
y t
o a
n i
nsu
ffic
ien
t le
ve
l. T
he
Na
tio
na
l S
lee
p F
ou
nd
ati
on
fo
un
d t
ha
t 5
0%
of
ad
ult
s a
re n
ow
un
ab
le t
o a
wa
ken
na
tura
lly
wit
ho
ut
an
ala
rm c
lock
(o
fte
n
pro
gra
mm
ed
se
ve
ral
tim
es)
.
It h
as
be
en
stu
die
d t
ha
t, t
o r
esy
nch
ron
ize
th
e b
iolo
gic
al
clo
ck,
it i
s n
ece
ssa
ry t
o b
e e
xpo
sed
to
blu
e l
igh
t o
n a
n a
ve
rag
e
of
15
min
ute
s e
ve
ry d
ay
(m
orn
ing
or
aft
ern
oo
n)
wit
h a
lso
lo
ng
er
exp
osu
re s
ess
ion
s (1
5-3
0 m
in),
or
sim
ply
tw
o s
ess
ion
s p
er
da
y, a
t th
e b
eg
inn
ing
. A
lth
ou
gh
th
e b
iolo
gic
al
clo
ck i
s sl
igh
tly
va
ria
ble
fro
m o
ne
pe
rso
n t
o a
no
the
r, i
t is
ad
vis
ab
le t
o
pro
cee
d t
o l
igh
t st
imu
lati
on
in
th
e m
orn
ing
(lo
cate
d a
rou
nd
6a
m t
o 8
am
) o
r in
th
e a
fte
rno
on
.
( be
st t
ime
fo
r a
lig
ht
stim
ula
tio
n s
ess
ion
)
Me
dic
al
Ou
r te
chn
olo
gy
is
so r
ela
xin
g t
ha
t it
ca
n b
e u
sed
to
re
pla
ce o
r re
du
ce p
ain
kil
lers
an
d s
ed
ati
ve
s th
at
are
no
rma
lly
a
dm
inis
tere
d a
lon
gsi
de
lo
cal
or
loco
-re
gio
na
l a
ne
sth
esi
a t
o c
ou
nte
r st
ress
du
rin
g s
urg
ery
. T
he
RE
LAX
AT
ION
se
ria
l is
id
ea
lly
su
ite
d f
or
pe
op
le a
bo
ut
to u
nd
erg
o p
ain
ful
exa
min
ati
on
s w
ith
un
cert
ain
dia
gn
osi
s, e
xpe
cta
nt
mo
the
rs,
pe
op
le
suff
eri
ng
fro
m a
nxi
ety
-dri
ve
n s
lee
p d
iso
rde
rs a
nd
pe
op
le w
ith
he
art
, g
ast
ric
or
resp
ira
tory
pro
ble
ms.
An
d t
his
lis
t is
by
n
o m
ea
ns
exh
au
stiv
e!
P
reve
nti
ve
me
dic
ine
cli
nic
s in
Be
lgia
n M
inis
trie
s h
ave
alr
ea
dy
ad
de
d o
ur
tech
niq
ue
s to
th
eir
th
era
pe
uti
c p
roto
col.
Sin
ce 1
99
0,
the
te
chn
olo
gy
use
d i
n t
he
PS
iO h
as
be
en
wid
ely
use
d i
n h
osp
ita
ls i
n E
uro
pe
an
d a
bro
ad
(A
sia
, U
.S.,
La
tin
A
me
rica
, e
tc.)
. E
xa
mp
les
of
resu
lts
in h
osp
ita
l se
ttin
gs:
Re
cov
ery
Ro
om
s
In J
uly
19
94
, o
ur
tech
no
log
y w
ere
use
d i
n t
he
re
cove
ry r
oo
m o
f a
un
ive
rsit
y h
osp
ita
l in
Bru
sse
ls.
94
% o
f th
e p
ati
en
ts a
ske
d f
or
mo
re!
Giv
en
th
e e
xce
lle
nt
resu
lts,
sp
en
din
g o
n
rela
xati
on
eq
uip
me
nt
do
ub
led
in
De
cem
be
r 1
99
4,
on
ly s
ix m
on
ths
aft
er
the
in
itia
l
pu
rch
ase
. "S
om
e o
f th
e p
ost
op
era
tive
pa
in a
nd
co
mp
lica
tio
ns
are
dir
ect
ly c
au
sed
by
an
xie
ty,"
re
po
rts
the
he
ad
do
cto
r! T
he
ra
te o
f vo
mit
ing
, w
hic
h u
sed
to
be
35
% t
o 4
0%
on
ave
rag
e,
fell
to
12
%!
He
art
-re
late
d c
om
pli
cati
on
s w
en
t fr
om
14
.4%
to
2.3
% a
nd
re
spir
ato
ry
com
pli
cati
on
s d
rop
pe
d f
rom
6%
to
0.3
%!
All
th
ing
s co
nsi
de
red
, 2
5%
of
the
pa
tie
nts
su
ffe
r
less
!"
(Le
Vif
l'E
xpre
ss,
4 N
ove
mb
er
19
94
issu
e)
Sle
ep
La
bo
rato
ry
Au
dio
-vis
ua
l st
imu
lati
on
ha
s b
ee
n u
sed
to
tre
at
sle
ep
dis
ord
ers
. It
is
an
exc
ell
en
t
too
l fo
r sl
ee
p l
ab
ora
tori
es
be
cau
se i
t a
llo
ws
pa
tie
nts
to
em
pty
th
eir
min
ds
an
d
ge
ntl
y f
all
asl
ee
p.
(Sle
ep
La
bo
rato
ry,
Dr.
H.,
Bru
sse
ls U
niv
ers
ity
's H
osp
ita
l)
Loco
reg
ion
al
An
est
he
sia
"In
19
89
, D
r. D
ieb
old
(su
rge
on
) a
nd
Dr.
Lit
chin
ko (
an
ae
sth
eti
st)
we
re t
he
ve
ry f
irst
to
in
tro
du
ce o
ur
an
ti-s
tre
ss t
ech
no
log
y
in s
urg
ery
. T
he
ir e
xpe
rie
nce
co
ve
rs o
ve
r 1
0,0
00
op
era
tio
ns
wh
ere
96
% o
f th
e
pa
tie
nts
en
thu
sia
stic
all
y e
mb
race
d t
he
te
chn
iqu
e.
As
a r
esu
lt,
low
er
do
ses
of
an
alg
esi
cs a
nd
sed
ati
ve
s w
ere
ne
ed
ed
alo
ng
sid
e a
ne
sth
esi
a.
In s
om
e c
ase
s, t
he
y w
ere
no
t n
ee
de
d a
t a
ll!"
(R
TL
TO
P
SA
NT
E F
eb
rua
ry 1
99
4).
Dr.
Lis
oir
an
d D
r. L
itch
inko
ha
ve
de
sig
ne
d t
hre
e R
ELA
XA
TIO
N r
eco
rdin
gs
to b
e
list
en
ed
to
be
fore
, d
uri
ng
an
d a
fte
r th
e o
pe
rati
on
. "T
he
re h
as
be
en
a g
en
era
l le
ve
l o
f sa
tisf
act
ion
:
-P
ati
en
ts f
ee
l g
oo
d b
efo
re,
du
rin
g a
nd
aft
er
the
op
era
tio
n.
-S
urg
eo
ns
can
op
era
te w
ith
ou
t b
ein
g d
istu
rbe
d b
y s
ud
de
n m
ove
me
nts
ca
use
d b
y p
ati
en
t
dis
com
fort
.
-T
he
an
est
he
tist
co
ntr
ibu
tes
to p
ati
en
t w
ell
-be
ing
by
re
du
cin
g t
he
do
ses
of
toxi
c d
rug
s. H
e
en
rich
es
the
th
era
pe
uti
c re
lati
on
ship
be
fore
an
d d
uri
ng
th
e o
pe
rati
on
.
-H
osp
ita
l st
ays
are
sh
ort
er
be
cau
se p
ati
en
ts e
xpe
rie
nce
fe
we
r p
ost
op
era
tive
co
mp
lica
tio
ns.
(D
r. L
itch
ink
o "
SA
VO
IR P
LUS
SA
NT
E",
a T
.V.
pro
gra
m b
y A
nd
ré D
ecl
ose
t, F
ran
ce2
, 1
99
5)
Pre
ve
nti
ve
Me
dic
ine
-vis
ua
l st
imu
lati
on
is
an
exc
ell
en
t a
nti
-str
ess
to
ol.
Pa
tie
nts
are
sa
tisf
ied
an
d r
eg
ula
rly
pra
ctic
e t
his
ty
pe
of
rela
xati
on
to
de
fuse
ch
ron
ic s
tre
ss."
(D
r. G
. h
ea
d o
f th
e p
reve
nti
ve
me
dic
ine
cli
nic
of
a B
elg
ian
Min
istr
y,
Po
rtu
gu
ese
Ra
dio
Te
levis
ion
, A
pri
l 1
99
5)
De
nti
stry
"Wit
h A
ud
io-v
isu
al
stim
ula
tio
n,
the
pa
tie
nt'
s a
tte
nti
on
is
dis
tra
cte
d f
rom
th
e d
en
tal
act
. T
ime
se
em
s
to g
o b
y f
ast
er
an
d t
he
re i
s le
ss a
nxi
ety
an
d p
ain
. T
he
de
nti
st c
an
als
o w
ork
wit
ho
ut
wo
rry
ing
ab
ou
t
pa
tie
nt
scru
tin
y."
(D
en
tist
L.,
Bru
sse
ls (
Re
po
rt o
n 5
5 p
ati
en
ts,
Ma
y 1
99
5)
