Thirty-six patients (19 males, 17 females: atypical schizophrenia;
3
, typical schizophrenia;
9
, depression; 11, neurosis and other psychiatric disorders;
8
) were operated on according to orbitoventromedial undercutting by Hirose. In all cases, the Rorschach test was carried out and daily behaviors were studied. Thirty-one scales of the test were subjected to multivariate analysis whereas the behaviors were evaluated according to the following criteria, i.
e
., A: recovered or symptom free,
B
: markedly improved,
C
: moderately improved,
D
: slightly improved and
E
: not improved. The following results were obtained.
1
) The evaluation of behaviors is as follows. A: 12 cases,
B
:
9
,
C
:
9
,
D
:
6
,
E
: none.
2
) It was found that scores of
F
+106% and R+106% scales were significantly higher after the operation than before; that correlation coefficients between the scores before and after the operation were considerably high.
3
) Factor analysis followed by varimax rotation was carried out. Six factors were extracted, i.
e
., (
F
1
) sensitivity to emotional stimuli, (
F
2
) ego-strength, (
F
3
) obsessional rigidity, (
F
4
) reaction time, (
F
5
) anxiety and tension and (
F
6
) empathy. It was revealed that
F
2
was high in atypical schizophrenia, depression and neurosis, and that
F
2
and
F
6
were significantly different in terms of the factor scores among the four groups A,
B
,
C
and
D
;
F
2
was highest in A, and lowest in
D
regardless of whether it was before or after the operation.
F
6
showed high scores in both A and
C
, and low in
D
.
4
) Multiple discriminant analysis was applied to the data of the Rorschach test before the operation, by classifying 36 subjects into the four groups A,
B
,
C
and
D
. As a result, high rates of correct diagnosis were obtained, i.
e
., 100% for A, 78% for
B
, 56% for
C
and 100% for
D
. When the groups
C
and
D
were combined into one group (
C
+
D
) the highest percentage (100%) was seen in A, followed by
B
(89%) and
C
+
D
group (87%). When the groups A and
B
were combined into one group (A+
B
), the percentages of correct diagnosis were
81
% for A+
B
, and
93
% for
C
+
D
.
In conclusion, it can be said that scales of the Rorschach test have been proved to be valid for predicting mental and physical states after the orbito-ventromedial undercutting.
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