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.
The aims of the present research were to assess the level of self-concern in people with intellectual disability using the Rorschach Egocentricity Index, to correlate the Index with other Rorschach and IQ variables, and to study the effect of associated psychological pathology. The Rorschach Inkblot Test and the Wechsler Intelligence Scale were administered to a group of 75 subjects with intellectual disability, aged between 18 and 38 years, who were divided into subgroups according to their additional diagnosis (i.e. personality disorders, psychosis and depression). A fourth subgroup was composed of people with intellectual disability but without other pathologies. The Egocentricity Index was very low in the subjects with intellectual disability and differences were a result of the effects of additional psychological pathologies. The meaning of the measurement of egocentricity in people with intellectual disability is discussed.
In a sample of 55 mentally retarded subjects (M age = 14 yr., 1 mo.) the relations between some perceptual and cognitive Rorschach indices, including the Becker's Genetic Level Score, and Wechsler Scale scores were studied. The mean Developmental Score did not increase across ages and was higher for girls than for boys, while Verbal and Performance IQs were lower for girls. The correlations confirm the hypothesis that for mentally retarded persons WISC-R scaled scores and Rorschach cognitive indices are different measures of intellective functioning. The findings are discussed with reference to the assessment and rehabilitation of retarded subjects.
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