A Breakdown in Simultaneous Information Processing
The ability to detect accurately, recognize, and extract useful information from two superimposed sources of visual information at the same time is of both theoretical and practical interest. The scientific literature in such areas as the psychology of attentional processes, cognitive processing, sensory channel capacity, and other fields contains numerous such studies. Among them are the early auditory perception research of Broadbent (1952, 1958) in which he proposed a single-channel filter theory of information processing, Treisman’s (1960) modified sequential processing model involving a two-stage filter, and Deutsch and Deutsch’s (1963) preattentive parallel processing model. Most past visual research employed simple stimuli (point light sources, simple geometric shapes, etc.). Nevertheless, the effectiveness of information transfer using more complex, real-life stimulus fields demanded further study from the standpoint of helping to design modern instrumentation for commercial turbojet airplane flight.
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