Development of safety behavior norm for everyday life: Especiallyaddressed to left-handers based upon their behavior traits

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The purpose of this study was to collect non-right-handers’ cognitive characteristic and behavioral traits using different kinds of methodologies, and to seeks ways to enable non-right-handers act safely without any mental and physical burden in everyday life. These processes may offer a proper effective methodology, when we create a small number of person-oriented safety norms in our society. The following three were the results of research at present.The pilot survey of the interview investigation about a behavioral trait which non-right-handers is conscious in everyday life including mental and physical burden. The results showed no prominent difference between right-hander and non-right handers. This approach however has not been finished; another large-scale investigation to ask working safety conditions in a medical work situation was conducted, though it is not be analyzed yet.In the memory experiment, results of the memory from photos of the tool arranged in left/right direction showed that the accidental memory error was prominent regarding to the left/right direction. The error response types were different depending on the participants’ handedness.Based on these results, the neuropsychological model based on the spontaneous neural network activation by the tool image in striate body-basal-nuclei-cerebellum kinetic supra-modal system was proposed.The experiment, which verifies the facts whether the spatial ability is excellent in thenon-right-handed person, and whether this superiority is age-free was conducted.Results showed that superior spatial ability of non-right handers depends on aging. It suggests an importance of the influence of aging in examination of a cognitive function.