A novel methodology to evaluate the psycho-physical condition of individuals performing at-risk activities (original) (raw)

Biomedical sciences instrumentation, 2012

Abstract

Currently the evaluation of the psycho-physical condition of individuals performing at-risk activities involves either subjective evaluations or invasive biological tests, and is not often indicative of the actual ability of the subject to perform the specific activity. We propose a new methodology based on posturographic and reaction time measurements, derived from the strict relationship between the control strategies used to maintain the erect posture and the psycho-physical abilities of an individual. These strategies are affected by fatigue, diseases and substances such as alcohol and drugs. The measuring device consists of a posturographic platform, a hand-held trigger and a personal computer running the software. The subject is asked to perform simultaneously two tasks: move the center of mass of the body to follow a target on the screen, and react to the appearance of another stimulus by pressing the trigger. The task is made more complicated by randomly presenting the stimu...

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