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Quantitative electroencephalographic (QEEG) analyses are presented for a group of 90 subjects recovering from polysubstance abuse (median = 90 days abstinent) who preferentially used cocaine. QEEGs showed significant decreases from normal in both absolute and relative delta power and decreased theta power in both absolute and relative power. Significantly(More)
This literature review indicates that professional drivers have excess cardiac risk that is not fully explained by standard risk factors. The contribution of occupation is suggested by two independent methods and by psychophysiological studies during on the job driving. Driving has been conceptualized as a threat-avoidance task. Stimuli encountered in(More)
| The theory and practice of up-only (or down-only) prescaled counters is well understood both in industry and in the academia. Until recently it was not known if the design of a fast and large up/down binary counters would be possible. This paper presents the theory and practical application of the concept in the design of a 64-bit up/down binary counter(More)
This paper deals with the computation of reciprocals, square roots, inverse square roots, and some elementary functions using small tables, small multipliers, and for some functions, a nal \large" (almost full-length) multiplication. We propose a method that allows fast evaluation of these functions in double precision arithmetic. The strength of this(More)
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