Biomedical subjects

I Kljajić

Publications and source records attributed to I Kljajić.

6 recordsLinked to original sources

PubMed1984

Brain syndrome and WAIS PIO VIO difference scores corrected for test artifact.

Found an artifactual discrepancy of six units between VIQ and PIQ in Ss (N = 62) of low and bright, but not of mid-range IQ. Despite the matching of psychiatric cases for dominant and nondominant cognitive function, the discrepancy took the form of a lowered PIQ. The application of an equivalent correction to the PIQs of consecutive and unmatched psychiatric cases failed to improve the neurological predictive utility of the VIQ PIQ difference score. The latter failed statistically as an alerting device for abnormal CT and EEG results and whether a neurological event was recorded in the file. Despite the observation of a strong relationship between CT outcome and VIQ PIQ difference score evidence of cognitive intactness, it was concluded that difference score, whether corrected or not, should be used with extreme caution as a screening device for psychiatric cases who might be harboring an underlying brain syndrome.

Adult↗

PubMed1984

The predictive utility of a significantly lower WAIS PIQ with psychiatric inpatients.

Contrasted five aspects of psychiatric inpatient care in two psychometrically distinct inpatient samples. The experimental (N = 35) and control groups (N = 35) differed in that the former Ss all scored higher WAIS VIQs than their respective PIQs by at least 15 units. The controls had WAIS VIQs that were within 5 points of their PIQs . Despite this, the two groups were not differentiated according to two other measures of cognitive integrity (Benton, 1963, and Wechsler Memory Scale, Wechsler, 1958); final diagnosis; severity of the S's presentation; capacity to resume self-attorney on discharge, and, finally, prediction of EEG and CT scan result. It was concluded that the poor predictive utility of this form of WAIS analysis did not justify the high cost of WAIS administration in inpatient psychiatric settings.

Adult↗

PubMed1979

The effects on personality of open prefrontal leucotomy.

The Sixteen Personality Factor Test was administered to 28 patients both before and six months after they received open prefrontal leucotomies. The preoperative and postoperative test results are compared. Preoperatively the group was excessively apprehensive, tense, affected by feelings, sober, shy, and humble. After leucotomy these aspects of personality all showed significant change in the direction of normality. With the exception of the humble versus assertive aspect, however, the mean scores in each case remained outside the normal range.

Adult↗

PubMed1979

The effects on intellectual functioning of open prefrontal leucotomy.

The Wechsler Adult Intelligence Scale and the Wechsler Memory Scale were administered to 32 patients both before and six months after they received open prefrontal leucotomies. The preoperative and postoperative test results are compared, consideration being given to individual patients as well as to the group. The mean results for the group provide no evidence of any post-operative intellectual deterioration. However, it seems probable that in individual cases such deterioration occurred. In most of these cases brain damage would appear to be responsible, and the ability "to comprehend and size up a total situation" is seen as the area of functioning primarily affected.

Adult↗

PubMed1977

Benton OCS and OES as actuarial indices of brain pathology.

The Benton Visual Retention Test was administered to two matched neurologically distinct middle-aged samples. The experimental sample that comprised brain-disordered Ss scored significantly higher obtained correct and error scores than did the controls. It also was found that a critical obtained correct score of 3 could discriminate the two samples at statistically significant levels, but with high false negative rates. A critical obtained error score of 4 failed to discriminate the two samples. Seventy-three percent of the total sample had identical predictions from both critical scores, and while the combined use of both scores did not improve the percentage hit rate over the single use of the obtained correct score, false negatives were reduced to acceptable levels.

Adult↗

PubMed1976

The MFD and brain pathology.

This study was a repetition of Black's work with the MFD on a population that differed from Black's in that they were predominantly non-trauma cases, the majority of whom were not neurophysiologically normal when tested with the MFD. Despite the different nature of the present sample, Black's findings were replicated, and Black's cautions with regard to the use of the MFD as a neuropsychological instrument were extended.

Adult↗