A model of perception in diagnostic radiology is proposed. It contains three principal sections: psychophysical, psychological, and nosological. Psychophysical processing refers to x-ray imaging and reception by the peripheral nervous system; psychological functioning concerns the basis for transforming the image into a meaningful pattern; nosological considerations pertain to the clinical evaluation of the patterns. Each of these component parts of the diagnostic process is discussed in relation to diagnostic performance, and some implications of the model in relation to technological interventions in the radiologic process are outlined.
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Blesser et al. (1972) studied this question.
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