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Biomedical subjects

H Schiffman

Publications and source records attributed to H Schiffman.

8 recordsLinked to original sources
PubMed1987

Fungal splenic abscesses in the immunosuppressed patient. Correlation of imaging modalities.

A patient with fungal splenic abscesses is presented in whom multiple noninvasive diagnostic imaging modalities were available for correlation. Of the five imaging modalities, three (Gallium-67, ultrasound and computed tomography) were diagnostically useful, while two (liver-spleen scan and In-111 white blood cell scan) were not as useful. This case also stresses the use of repeated studies correlating with clinical impressions to obtain an accurate diagnosis in a potentially life-threatening condition such as splenic abscess.

Abscess↗
PubMed1982

Invalid assumptions and methodological difficulties in early memory research.

Invalid assumptions in the methodologies of recent early memory studies were noted and discussed. The writers offered several principles that may help future workers to avoid design flaws which may have weakened previous studies. The need for pilot studies appropriate to the population under study was particularly stressed.

Journal Article↗
PubMed1982

Prediction of locus of control stance from the earliest childhood memory.

The study was designed to test whether data from the earliest childhood memory (EM) could predict a Rotter internal vs external locus of control stance. Main Study subjects were 215 undergraduates from introductory psychology classes. Those EMs which could be reliably scored and coded for control stance--153 of the 215 Main Study protocols--were examined for success at predicting Rotter control stance. A total of 127 of 153 control predictions were correct, which yielded a Chi Square of 67.51, p < .0005 for a 2 x 2 table. Further, all 5 EM content hypotheses, which were based on groupings of the 54 Pilot Study codes, yielded results significant at p < .05. These results were discussed as supporting the validity of EMs to predict control stance and as contributing to an understanding of the dynamic basis for and maintenance of a belief in internal vs external control.

Journal Article↗
PubMed1968

Visual perception and xerography.

An electrostatic copying machine was used to model the perception of simultaneous brightness contrast. Such a model may assist the study of sensory inhibition by permitting the study of complex situations as they are transformed by rules similar to those at work in neural integration.

Copying Processes↗