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A framework for skill acquisition is proposed that includes two major stages in the development of a cognitive skill: a declarative stage in which facts about the skill domain are interpreted and a procedural stage in which the domain knowledge is directly embodied in procedures for performing the skill. This general framework has been instantiated in the(More)
Computational Imagery understand how such hybrid systems can best be constructed and applied. (c) What can we learn from human cognitive models? The topic of mental imagery has lofig been studied in areas such as psychology, philosophy, and linguistics. Researchers in A1 have much to learn from the understanding of how the human information processing(More)
AIMS/HYPOTHESIS To assess thiamine status by analysis of plasma, erythrocytes and urine in type 1 and type 2 diabetic patients and links to markers of vascular dysfunction. METHODS Diabetic patients (26 type 1 and 48 type 2) with and without microalbuminuria and 20 normal healthy control volunteers were recruited. Erythrocyte activity of transketolase,(More)
Skilled programmers, working on natural tasks, navigate large information displays with apparent ease. We present a computational cognitive model suggesting how this navigation may be achieved. We trace the model on two related episodes of behavior. In the first, the user acquires information from the display. In the second, she recalls something about the(More)