The Performance of Acute Psychotic Patients on the Index of Pathological Thinking and on Selected Signs of Idiosyncrasy on the Rorschach

Quirk, Douglas A.; Quarrington, Mary; Neiger, Stephen; Slemon, Alan G.

doi:10.1080/08853126.1962.10381138

Cited by 5 publications

(2 citation statements)

References 4 publications

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“…Overall interrater reliability for all three groups was .78. Other investigators who similarly reported higher scores on the delta index, or on a modification of it, for schizophrenics than for normal or neurotic subjects are Kataguchi (1959), Powers andHamlin (1955), andQuirk, Quarrington, Neiger, andSlemon (1962). Other investigators have reported similar results for components of the delta index (Hertz & Paolino, 1960;Quinlan & Harrow, 1974;Rorschach, 1921Rorschach, /1942).…”

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confidence: 81%

Anhedonia, perceptual aberration, and the Rorschach.

Edell¹,

Chapman²

1979

Journal of Consulting and Clinical Psychology

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College students who scored deviantly high on a scale of physical anhedonia or on a scale of perceptual aberration were compared with normal control subjects on the Rorschach Inkblot Test scored for the delta index of thought disorder and the alpha index of deviancy. The anhedonic subjects and perceptual aberration subjects gave more schizophreniclike Rorschach responses than the normal control subjects. This finding indicates the importance of follow-up studies to determine whether subjects who score deviantly high on these scales are at high risk for schizophrenia and/or other psychosis.This study attempts to provide preliminary indications of the validity of two scales as indices of psychosis proneness in young adults. These scales were designed to measure physical anhedonia, a long-term deficit in the capacity to experience pleasure (Chapman, Chapman, & Raul'in, 1976), and perceptual aberration, the experience of perceptual distortion of one's body and environment (Chapman, Chapman, & Raulin, 1978). The strategy is to look at these high scoring subjects for the kinds of deviancy that characterize schizophrenics and borderline schizophrenics. The reasoning is that such deviancy might indicate a proneness toward psychosis.There is abundant evidence that schizophrenics and borderline schizophrenics show both anhedonia (

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confidence: 81%

Anhedonia, perceptual aberration, and the Rorschach.

Edell¹,

Chapman²

1979

Journal of Consulting and Clinical Psychology

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“…Borrowing from this earlier work, Watkins and Stauffacher (1952) devised an index of pathological thinking called the “Delta Index,” assigning weights from .25 to 1.0 to each type of verbalization to reflect degree of deviancy. This quantification of disordered thinking proved quite successful in discriminating schizophrenic from nonpsychotic populations using the Rorschach inkblot test (Powers and Hamlin 1955; Kataguchi 1959; Quirk et al 1962).…”

Section: Thought Disorder Index (Tdi) and Schizophreniamentioning

confidence: 99%

Attentional Vulnerability Indicators, Thought Disorder, and Negative Symptoms

Nuechterlein

Edell

Norris

et al. 1986

Schizophrenia Bulletin

299

183

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Deficits on two continuous performance test versions and the forced-choice span of apprehension task, which are potential vulnerability factors for schizophrenic disorders, were examined in relationship to particular symptoms of schizophrenic disorders, with emphasis on hypothesized relationships to formal thought disorder and negative symptoms. These interrelationships were determined concurrently within a group of 40 schizophrenic patients at an inpatient point. In addition, 32 of these patients were retested at a stabilized outpatient point to address the extent to which continued attentional deficits were associated with specific symptomatology during the hospitalized period. Signal-discrimination deficits on the three tasks were consistently associated with inpatient negative symptoms of schizophrenia as measured by the Anergia factor of the Brief Psychiatric Rating Scale (BPRS), across both the inpatient and outpatient assessments. The outpatient signal-discrimination deficits also showed significant, but less consistent, correlations with inpatient schizophrenic modes of thinking measured by the Rorschach Thought Disorder Index and with formal thought disorder measured by the BPRS Conceptual Disorganization rating. In contrast, no relationship with inpatient hallucinations or delusions was found. Combined with previous findings from high-risk samples, these results are consistent with the view that signal-discrimination deficits in situations demanding high levels of effortful processing are enduring vulnerability factors for schizophrenic negative symptoms and possibly for certain schizophrenic forms of thought disorder.

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Rorschach Scores and Schizophrenia: An Evaluation of Weiner's Signs in Clinical Practice

Lambley¹

1973

Journal of Personality Assessment

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The Performance of Acute Psychotic Patients on the Index of Pathological Thinking and on Selected Signs of Idiosyncrasy on the Rorschach

Cited by 5 publications

References 4 publications

Anhedonia, perceptual aberration, and the Rorschach.

Anhedonia, perceptual aberration, and the Rorschach.

Attentional Vulnerability Indicators, Thought Disorder, and Negative Symptoms

Rorschach Scores and Schizophrenia: An Evaluation of Weiner's Signs in Clinical Practice

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