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domains of an individual meanwhile can deal with cultural mechanisms within in-
dividual life experience.
Such an approach embodies sensorial information simultaneously that contex-
tualize it within cultural aspects that permeate the human life, when behavior and
disability aspects are taken into account. The main focus is to represent the pro-
fessional, social, and sexual aspects concerned to the fifth vital sign/symptom of
medical condition. Professional-social-sexual pain-related disabilities are simul-
taneously represented in a tridimensional premise space, as depicted in Fig. 24.3,
and mapped into an output associated to pain assessment. The 3D Fuzzy PSS pain
assessment is represented as IF-THEN
fuzzy rules
, in the general form:
R
i
:IF
professional pain
is
M
pro f essional
ij
pro f essional
AND
...
social pain
is
M
social
ij
social
AND
...
sexual pain
is
M
sexual
ij
sexual
THEN
disability pain
is
N
disability
−
pain
ij
disability
−
pain
,
(24.1)
where the elements
M
(
·
)
ij
and
N
(
·
)
ij
are fuzzy sets (also named
linguistic terms
)
partitioning the respective universes of discourse,
X
k
and
Y
.
(
·
)
(
·
)
The amount of par-
such that
M
(
·
)
j
titions is given by
j
(
·
)=
1
,...,
m
(
·
)
(
·
)
(
x
k
)
⊂
X
k
∀
k
=
1
,...,
n
and
N
disability
−
pain
⊂
Y
. The number of rules is given by
i
=
1
,...,
N
r
. The input vector
T
, while the output is associated to
y
.The
of the premise is given by
x
=[
x
1
,
x
2
,
x
3
]
Fig. 24.3
Tridimensional Fuzzy Pain Measurement [4]
