Background: Exercise deprivation has been concluded to have some negative effects on psychological well-being. This study was conducted to find out whether exercise deprivation may lead to morphine dependence in rats. Methods: Forty male Wistar rats weighing 162 ± 9 g were housed in clear plastic cages in groups of two under standard laboratory conditions. The study had two phases. In phase I, ...

This study uses path dependence and analysis of feedback structures to identify the determinants for developing a successful technology sector in Israel during the 1990s. The four determinants introduced in the study are: Entrepreneurship, Knowledge Base in the form of academy R&D, industry R&D and military R&D, Financial Base in the form of venture capital and exit market and, Government progr...

The paper uses evolutionary economics and computer simulation techniques to explore structural and random determinants of industry market structure. The former is studied in the context of different Schumpetarian debates on the relationship between firm size and innovation (dynamic returns to scale), and the latter is studied in the context of studies that emphasize the role of idiosyncratic ev...

We study the notion of γ-negative dependence random variables. This is a relaxation negative orthant (which corresponds to 1-negative dependence), but nevertheless it still ensures concentration measure and allows use large deviation bounds Chernoff-Hoeffding- or Bernstein-type. variables based on points P. These appear naturally in analysis discrepancy P or, equivalently, suitable worst-case i...

INTRODUCTION Our study aims to determine the prevalence of nicotine dependence and investigate the effect of nicotine dependence on psychopathology among schizophrenia patients. METHODS A cross-sectional study was carried out in an outpatient psychiatric clinic at a general hospital in Malaysia. 180 recruited subjects were administered the Malay version of Mini International Neuropsychiatric ...