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The Recognition Memory Test in the assessment of memory impairment after financially compensable mild head injury: a replication.

The current investigation replicated the findings from a 1992 study by Millis. 20 subjects with claimed mild head injury who were seeking financial compensation obtained significantly lower scores on both subtests of the Recognition Memory Test than did 66 rehabilitation inpatients with documented moderate and severe traumatic brain injuries. The direct discriminant function derived by Millis was cross-validated on the current sample and yielded an improved over-all correct classification rate of 83%, with 85% and 82% of the mild and severe traumatic brain-injured subjects classified correctly, respectively. Over-all correct classification rate in the original study was 76%.

Adolescent↗

Early memories and maladjustment: comment on Spirrison, et al. and recalled age of earliest memory.

Spirrison, Schneider, Hartwell, Carmack, and D'Reaux (1997) argued that onset prior to age 4 of reported first memory is linked to maladjustment based on a study of 60 undergraduates; however, the literature suggests that sex, age, socioeconomic status, and Verbal IQ are likely to affect age of first recall. Responses of three previously unanalyzed samples were then reviewed for age of first recall The first two samples yielded a .3-year earlier age of first recall for the female university student sample (3.2 vs 3.5 yr. for men); however, Spirrison, et al.'s prediction of maladjustment is probably better explained by various personal and demographic variables. A third sample--incarcerated male prisoners--was handpicked for specific demographic measures to test the notion that late age of first recall is linked with somatic complaints. Their average age of first recall was 6.2 yr. or "late onset." Spirrison, et al.'s results would predict "somatic concerns"--extremely unlikely for this group. First recall at a later age is likely linked to a variety of psychological and demographic variables, including but not limited to low Verbal IQ, low education, low socioeconomic status, male, and a criminal background. Similarly, early age of first recall is probably linked to a high Verbal IQ, high education, middle-class socioeconomic status or higher, female, and an interest in reflection, among other variables. More research is needed on what affects age of first recall to avoid questionable attributions of pathology.

Age Factors↗

Item response biases on the logical memory delayed recognition subtest of the Wechsler Memory Scale-III.

We hypothesized that the wording and sequential order of the WMS-III Logical Memory recognition questions may bias subjects toward correct or incorrect responses on specific items. Therefore, we classified each item according to one of three potential sources of bias (yeasaying to proper names, priming of "yes" responses by previous items with similar content, naysaying to unlikely occurrences) and administered the items to 31 subjects who were completely naïve to the story content. The items predicted to have correct endorsement biases were answered correctly at greater than chance frequencies, while items predicted to be biased toward incorrect answers were missed more frequently than expected by chance. The same sources of bias were tested in an independent clinical sample of 36 neurological patients who were administered the WMS-III in the standard manner. In these patients biases appeared robust enough to be detected in the performances of clinical patients during a neuropsychological evaluation. With further research, such biases may provide avenues for detecting malingering.

Adult↗

[The Graefe memorial stone--in memory of A. von Graefe's contributions in Heiden].

Between 1859 and 1869, Albrecht von Graefe used to spend some weeks in September in Heiden, a small health resort in Eastern Switzerland. During his "holidays", however, the hotel "Freihof", where he lived, was transformed into a most active unit of ophthalmic surgery. A memorial stone, rediscovered and restored thanks to the endeavour of Professor Peter Speiser of St. Gallen, remembers this episode, which was of some importance not only for local tourism, but also for the young Swiss ophthalmology of the time.

History, 19th Century↗

Retrospective epidemiologic analysis of patients diagnosed with intracranial meningioma from 1977 to 1990 at the Jackson Memorial Hospital, Sylvester Comprehensive Cancer Center: the Jackson Memorial Hospital Tumor Registry experience.

A descriptive analysis was performed of the Tumor Registry data for intracranial meningioma by the Jackson Memorial Hospital, University of Miami School of Medicine Tumor Registry. A total of 108 cases of intracranial meningioma was collected and reviewed. Overall survival for 2, 5, and 10 years was 82, 72, and 60%, respectively. There was no difference in survival for males and females at 5 years, nor any difference in survival for race or ethnicity. There was a trend for improved survival for the young age group (18-55 years).

Adult↗

Discrimination learning without short-term memory: dissociation of memory processes in pigeons.

Pigeons were trained to perform delayed matching to samples of food and no food when each sample concurrently served as the outcome of a discrimination learning trial which immediately preceded each matching trial. Ambient light presented during the delays after the samples of food or no food severely disrupted matching but had no effect on the rate of discrimination learning.

Animals↗