Abstract
A design for a simple dark adaptometer that makes use of a commercially available slide projector is described. The adaptometer can be used without a chart readout or can be modified to provide a chart readout of the dark-adaptation curve. The resulting dark adaptometer is suitable for use in student sensation and perception laboratories, clinical applications, and research applications that do not require Maxwellian view.
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Riggs, L. A. Night vision and dark adaptation. Unpublished laboratory instructions, Department of Psychology, Brown University, 1963.
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This research was supported by a grant from the Health Research and Services Foundation, Pittsburgh, Pennsylvania. I thank Laura Frishman, Elizabeth Goldstein, Toni Price, and Dan Schweitzer-Tong for their helpful suggestions, their comments on the manuscript, and for serving as subjects. I also thank Richard Petrak and Frank Valentich for help in designing and constructing the potentiometer apparatus shown in Figure 4.
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Goldstein, E.B. Design for a dark adaptometer. Behavior Research Methods & Instrumentation 7, 277–280 (1975). https://doi.org/10.3758/BF03201447
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DOI: https://doi.org/10.3758/BF03201447