The aim of this research was to study the psychological effects of disorders such as schizophrenia and depression associated with mental retardation. The Rorschach Inkblot Test and the Wechsler Adult Intelligence Scale were administered to a group of 97 subjects (52 women and 45 men) ages 15:10 yr. to 36:6 yr. (M = 21:5, SD = 5:3). The subjects were divided into four subgroups according to the presence or absence of mental retardation and psychiatric diagnosis (schizophrenia versus depression). The quality of the perception in Rorschach responses and the ErlebnisTypus scores differentiated psychotic and depressed subjects well. These disorders, when associated with mental retardation, make impairment of perceptual performance worse. The interaction between Axis I mental disorders (according to DSM–IV diagnosis) and mental retardation, an Axis II disorder, is discussed.
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References
1.
AllenR. M. (1975) There is no alternative to the IQ. Journal of Personality Assessment, 39, 377–380.
2.
American Psychiatric Association. (1994) Diagnostic and statistical manual of mental disorders. (4th ed.) Washington, DC: APA.
3.
BarrettR. P.WaltersA. S.MercurioA. F.KlitzkeM.FeinsteinC. (1992) Mental retardation and psychiatric disorders. In Van HasseltV. B.KolkoD. J. (Eds.), Inpatient behavior therapy for children and adolescents. New York: Plenum. Pp. 113–149.
4.
BelterR. W.LipowskyJ. A.FinchA. J.Jr. (1989) Rorschach Egocentricity Index and self-concept in children and adolescents. Journal of Personality Assessment, 53, 783–789.
5.
BerriosG. E. (1994) Mental illness and mental retardation: history and concepts. In BourasN. (Ed.), Mental health in mental retardation: recent advances and practices. Cambridge, UK: Cambridge Univer. Press. Pp. 7–18.
6.
CohenJ. (1988) Statistical power analysis for the behavioral sciences. (2nd ed.) Hillsdale, NJ: Erlbaum.
7.
Di NuovoS.ColucciG.PellicciottaA.BuonoS. (1998) The Rorschach ‘Egocentricity Index’ in subjects with mental retardation: a study on the incidence of different psychological pathologies. Journal of Intellectual Disability Research, 42, 354–359.
8.
Di NuovoS.LaicardiC.TobinoC. (1988) Rorschach indices for discriminating between two schizophrenic syndromes. Perceptual and Motor Skills, 67, 399–406.
9.
EisnerD. A.MaibaumM. (1987) Determining psychosis in retarded adults through psychological tests. Psychological Reports, 61, 789–790.
10.
ExnerJ. E.Jr. (1991) The Rorschach: a comprehensive system. Vol. 2. Current research and advanced interpretation. (2nd ed.) New York: Wiley.
11.
ExnerJ. E.Jr. (1993) The Rorschach: a comprehensive system. Vol. 1. Basic foundation. (3rd ed.) New York: Wiley.
12.
ExnerJ. E.Jr.WeinerI. (1982) The Rorschach: a comprehensive system. Vol. 3. New York: Wiley.
13.
FletcherR. J.DosenA. (Eds.) (1993) Mental health aspects of mental retardation: progress in assessment and treatment. New York: Lexington Books/Macmillan.
14.
FullerC. G.SabatinoD. A. (1998) Diagnosis and treatment considerations with comorbid developmentally disabled populations. Journal of Clinical Psychology, 54, 1–10.
15.
GillbergC.PerssonE.GrufmanM.ThemnerU. (1986) Psychiatric disorders in mildly and severely mentally retarded urban children and adolescents: epidemiological aspects. British Journal of Psychiatry, 149, 68–74.
16.
HurleyA. D.O'BrienM. F.ChadwickK.SvensonS. (1996) Use of the Rorschach and Thematic Apperception Test in persons with mental retardation. Seminars of Clinical Neuropsychiatry, 1(2), 94–104.
17.
HurleyA. D.SovnerR. (1982) Use of the Rorschach technique in mentally retarded patients. Psychiatric Aspects of Mental Retardation Newsletter, 1(2), 4–7.
18.
JacobsonJ. W. (1990) Do some mental disorders occur less frequently among persons with mental retardation?American Journal on Mental Retardation, 94, 596–602.
19.
MatsonJ. L.BarrettR. P. (Eds.) (1993) Psychopathology in the mentally retarded. (2nd ed.) Boston, MA: Allyn & Bacon.
20.
MurrayH. A. (1943) Thematic Apperception Test manual. Cambridge, MA: Harvard Univer. Press.
21.
PanekP. E. (1997) The use of projective techniques with persons with mental retardation: a guide for assessment instrument selection. Springfield, IL: Thomas.
22.
ReissS. (1994) Psychopathology in mental retardation. In BourasN. (Ed.), Mental health in mental retardation: recent advances and practices. Cambridge, UK: Cambridge Univer. Press. Pp. 67–78.
23.
RojahnJ.TasseM. J. (1996) Psychopathology in mental retardation. In JacobsonJ. W.MulickJ. A. (Eds.), Manual of diagnosis and professional practice in mental retardation. Washington, DC: American Psychological Association. Pp. 147–156.
SovnerR.HurleyA. D. (1983) Do the mentally retarded suffer from affective illness?Archives of General Psychiatry, 40, 61–67.
26.
SturmeyP. (1998) Classification and diagnosis of psychiatric disorders in persons with developmental disabilities. Journal of Developmental and Physical Disabilities, 10, 317–330.
27.
TalkingtonL.ReedK. (1969) An evaluation of Rorschach indicators of psychosis with mentally retarded. Journal of Projective Techniques and Personality Assessment, 33, 474–475.
28.
WagnerP. A. (1991) Developmentally based personality assessment of adults with mental retardation. Mental Retardation, 29, 87–92.
29.
WechslerD. (1981) Wechsler Adult Intelligence Scale–Revised. New York: Psychological Corp.
30.
WeisblattS. A. (1994) Diagnosis of psychiatric disorders in persons with mental retardation. In BourasN. (Ed.), Mental health in mental retardation: recent advances and practices. Cambridge, UK: Cambridge Univer. Press. Pp. 93–101.
31.
WenarC.CurtisK. M. (1991) The validity of the Rorschach for assessing cognitive and affective changes. Journal of Personality Assessment, 57, 291–308.
