A SERIAL AFTERIMAGE EXPERIMENT IN CLINICAL DIAGNOSTICS |
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| Authors: | Gudmund J. W. Smith Ulf Kragh |
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| Affiliation: | Psychological Laboratory, Lund University, Sweden |
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| Abstract: | Successive change in the size of negative afterimages repeatedly projected upon a screen was measured in a group of 87 psychiatric patients and a control group of 27. Primitive-hysteroid subjects were characterized by fluctuating serials, compulsives by small size changes of short duration, anxiety cases by progressively growing, dark, achromatic images, and psychotics by sudden contractions to size-constant or concrete images. A tentative finding for depressives was also presented and discussed. |
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