INTRODUCTION Dual-task testing is relevant in the assessment of postural control. A combination of a primary (motor) and a secondary (distracting cognitive) tasks is most often used. It remains a challenge however, to standardize and monitor the cognitive task. In this study a new dual-task testing approach with a facilitating, rather than distracting, cognitive component was evaluated. METHO...

frican-Americans make up 37% of Mississippi’s population, the highest percentage of any state, and account for a third of the working age population 25 to 64 years old. While the status of Mississippi’s black population has improved greatly over the past twenty-five years, and milestone accomplishments in the economic, political and social arenas have been achieved, much remains to be done. Thi...

As the number and size of computer corpora grow, linguistic researchers are increasingly using them to study changes in language over time. Comparing usage at one point in time with usage at a later or an earlier period seems a stunningly simple and Sausurreanly impeccable method of studying language change. Needless to say the reality is rather different. This paper identifies some of the meth...

Introduction Substitution tilings have been discussed now for at least twenty-five years, initially motivated by the construction of hierarchical non-periodic structures in the Euclidean plane [?, ?, ?, ?]. Aperiodic sets of tiles were often created by forcing these structures to emerge. Recently, this line was more or less completed, with the demonstration that (essentially) every substitution...

biosignature_movie_1.mpg (987 KB) An MPEG format movie showing the development of the MAB in Avida as described in Chapter 2. This movie shows the relative abundances of 28 Avida instructions in a single typical evolutionary run. This run was seeded with the standard progenitor (listed in Table 2.1) and run for 200,000 updates with copy mutation probability $\mu$=0.01 randomizing mutations per ...

When I began my career in dentistry twenty-five years ago, the "fee-for-service" practice was by far the most common approach for delivery of care. Time was not taken to define individuality and purpose, and outside factors such as insurance did not attempt to dictate the direction we took toward a treatment plan. Marketing was not mentioned and practice management as we know it was just beginn...

Solitary confinement is a frequently used penal tool in all fifty states against all types of offenders. However, since its development in the 1800s, solitary confinement has been found to have damaging psychological effects. Juvenile inmates in particular suffer the greatest psychological damage from solitary confinement because their brains are still in a developmental state. This has led man...

background: dental wastes are one of the environmental issues due to toxic and pathogenic agents such as pathological wastes, pharmaceutical and chemical etc have particular sensitivity. the aim of this study was to determine the dental waste management and related factors in the city of ilam. methods: in this cross-sectional study, the studied community was all the sixteen dental clinics in il...