MMPI-derived indicators of organic brain dysfunction

Sillitti, Joseph

doi:10.1002/1097-4679(198207)38:3<601::aid-jclp2270380322>3.0.co;2-r

Cited by 9 publications

(7 citation statements)

References 8 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The second procedure was to examine data from studies of patients other than those with epilepsy. Published information (Heaton et al, 1978;Sillitti, 1982) identify only limited positive findings and the studies concluded that ". .…”

Section: Do Underlying Brain Problems Create a Basis For Abnormal Or mentioning

confidence: 99%

Interictal Behavioral Features of Patients With Epilepsy

Dodrill

Batzel

1986

Epilepsia

View full text Add to dashboard Cite

Three questions are dealt with in this paper. (1) Do patients with epilepsy differ behaviorally from normal control groups and from persons with other medical and neurological conditions with respect to emotional adjustment, and if so, in what ways? (2) Are patients with temporal lobe epilepsy different emotionally or behaviorally from patients with other types of epilepsy? (3) To what degree does underlying brain dysfunction create a substrate for abnormal and maladaptive behavior? A review of the literature reveals the following. Persons with epilepsy demonstrate more emotional and psychiatric problems than normal individuals and more difficulties than other patient groups having nonneurological disorders, but have about the same incidence of these problems as persons with other neurological disorders. Increased emotional and psychiatric problems are not found among patients with temporal lobe epilepsy in comparison to patients with other types of epilepsy, although there are some behavioral peculiarities which appear in a small proportion of these patients. There is a mild tendency for impairment on neuropsychological tests to be associated with emotional and psychiatric problems in epilepsy.

show abstract

Section: Do Underlying Brain Problems Create a Basis For Abnormal Or mentioning

confidence: 99%

Interictal Behavioral Features of Patients With Epilepsy

Dodrill

Batzel

1986

Epilepsia

View full text Add to dashboard Cite

show abstract

“…Unfortunately, this group's description of their encouraging results as negative apparently influenced other writers, such as Trifiletti (1982), who listed their work as evidence that argued against the clinical use of the scale. Sillitti (1982) administered a shortened form of the Sc-0 scale that contained only 48 of its 80 items to brain-damaged and schizophrenic patients at a small, private hospital. Despite his deletion of 32 items, a Fisher p and a t run by the present author on Sillitti's data yielded a highly significant (p <.01) difference in the percentages of the two groups' members who scored above/below his cutting score and a between-means difference significant far beyond the .OOl level.…”

mentioning

confidence: 99%

“…The scale should not be used on female samples at present. Sillitti (1982) reported a good hit rate (73%) with his female Ss, but Watson (1971) found the scales ineffective with his women. Both used relatively small samples.…”

mentioning

confidence: 99%

The schizophrenia-organicity (Sc-o) and psychiatric-organic (P-O) MMPI scales: A review

Watson¹

1984

J. Clin. Psychol.

View full text Add to dashboard Cite

Reviewed the research on the MMPI Schizophrenia‐Organicity (Sc‐O) and Psychiatric‐Organic (P‐O) Scales, measures developed to separate brain‐damaged patients from schizophrenics and from functional psychiatric patients as a whole. Over 10 cross‐validations, the average Sc‐O scale hit rate has been 69%, which suggests that it is a better differentiator of braindamaged from schizophrenic males than most popular ability‐based organicity tests. Hit rates for five studies that contrasted organic and psychiatric patients on the P‐O scale also averaged 69%. The scales appear to be useful in both medical and psychiatric hospitals, but their validities in female samples are not well established. A system for making diagnostic decisions from ability and personality measures in combination is described, and evidence is cited that it improves on the hit rates achieved by either type of test alone.

show abstract

“…The findings of this study suggest that caution is necessary in applying these MMPI scales to outpatient brain-damaged, schizophrenic, somatoform, and brain-damaged schizophrenics. As was noted earlier, previous studies (Golden et al, 1979;Graca et al, 1984;Sillitti, 1982) had only examined inpatient groups of brain-damaged and schizophrenic individuals. Given the different status of these patients, of course, some differences could be expected reasonably.…”

Section: Discussionmentioning

confidence: 98%

“…Two studies (Dodge & Kolstoe, 1971;Schwartz & Brown, 1973) successfully cross-validated the P-N Scale. Golden, Sweet, and Osmon (1979), Sillitti (1982), and Graca, Hutzell, Gaffney, and Whiddon (1984) have examined these three scales in the task of differentiating braindamaged from schizophrenic groups of inpatients. While some of these studies (Golden et al, 1979, Sillitti, 1982) demonstrated a role for the Schizophrenia (Sc) scale of the MMPI (Hathaway, 1956) in differentiating schizophrenic and brain-damaged groups, these same studies were faulted by Watson (1984) on numerous methodological grounds.…”

mentioning

confidence: 99%

Relative efficacy of the SC-O, P-O, P-N, and SC MMPI scales in differentiating brain-damaged, brain-damaged schizophrenic, schizophrenic, and somatoform disorders in an outpatient setting

1989

View full text Add to dashboard Cite

This study examined the efficacy of the Schizophrenic‐Organicity (SC‐O), Psychiatric‐Organic (P‐O), the Pseudo‐Neurological (P‐N), and the Schizophrenia (SC) MMPI subscales in differentiating the following four groups of outpatients: brain‐damaged (n = 35, brain‐damaged schizophrenics (n = 10), non‐brain‐damaged schizophrenics (n = 15), and somatoform disorders (n = 45). Both unmatched and matched samples were used in the analysis, and cut‐off scores were obtained. In an unmatched sample, results suggested that the SC scale was useful in differentiating braindamaged schizophrenics from brain‐damaged and somatoform disorders. With matched samples, the SC differentiated brain‐damaged schizophrenics well from other clinical groups, while the P‐O scale differentiated the nonbrain‐damaged schizophrenics from brain‐damaged and somatoform disorders. Furthermore, the P‐N scale discriminated brain‐damaged schizophrenics from non‐brain‐damaged schizophrenics, while the SC‐O scale was no longer significant. Results suggest that caution should be used in generalizing from previous studies (which used inpatient samples) to outpatient populations.

show abstract

MMPI-derived indicators of organic brain dysfunction

Cited by 9 publications

References 8 publications

Interictal Behavioral Features of Patients With Epilepsy

Interictal Behavioral Features of Patients With Epilepsy

The schizophrenia-organicity (Sc-o) and psychiatric-organic (P-O) MMPI scales: A review

Relative efficacy of the SC-O, P-O, P-N, and SC MMPI scales in differentiating brain-damaged, brain-damaged schizophrenic, schizophrenic, and somatoform disorders in an outpatient setting

Contact Info

Product

Resources

About