OBJECTIVE To test the hypothesis that physical fitness is associated with more successful cognitive aging. METHODS Surviving participants (N = 460) of the Scottish Mental Survey of 1932 were tested on the same general cognitive test at age 11 and 79 years. Measures of grip strength, 6-meter walk time, and lung function (forced expiratory volume from the lungs in 1 second [FEV1]) were assessed...

Inactivity is the risk factor with potentially the greatest public health impact, according to the 1989 U.S. Preventive Services Task Force report. Our study reports changes in subjects' physical fitness level after simple changes aimed at enabling community members to adopt more easily active lifestyles. Simple environmental and social alterations occurred at a San Diego Naval air station. We ...

Prior research suggests that infants attend to a variable in an event category when they have identified it as relevant for predicting outcomes in the category, and that the age at which infants identify a variable depends largely on the age at which they are exposed to appropriate observations. Thus, depending on age of exposure, infants may identify the same variable at different ages in diff...

Recent advances on programmable friction technologies make it possible to change the friction perception of an interactive surface such as a touchpad or a touchscreen. However, regardless of the technology used, these effects cannot reproduce the fine grain sensation of physical surfaces. Moreover the effect is applied to the whole surface, so each finger exploring the surface feels the same se...

The biometric, optical and physical properties of 19 pairs of isolated human eye-bank lenses ranging in age from 5 to 96 years were compared. Lens focal length and spherical aberration were measured using a scanning laser apparatus, lens thickness and the lens surface curvatures were measured by digitizing the lens profiles and equivalent refractive indices were calculated for each lens using t...

background : lack of physical activity is the fourth common cause of human death. given the increased rate of sedentary life style among employees, the aim of this study was to evaluate physical activity status of governmental employees in changing stage based on the transtheoretical model (ttm) in hamadan, iran, in 2014. methods: this descriptive-analytical study was performed on 1200 governme...

Several applications for example, study of biological tissue movement and organ growth require shape correspondence with a physical basis, especially for shapes or regions lacking distinctive features. For this purpose, we propose the adaptation of mechanical strain, a well-established physical measure for deformation, to the problem of constructing shape correspondence and measuring similarity...