The aim of presented work is to propose a method of examining and monitoring psychophysical condition of managers and employees who hold responsible positions that require high decisional efficiency. Based on the existing empirical and theoretical knowledge, it is here assumed that lateralization and brain's hemispheres' cooperation are closely related to stress, fatigue and well-being. Aftereffect is presented here as a method of measurement of lateralization and its level. Exemplary

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... al procedures of this phenomenon and its interpretation in terms of psychophysical condition are described. Development of method of psychophysical condition's measurement that will include stress, fatigue or personal problems that frequently lead to desperate behaviour at work or elsewhere is highly worthwhile. This development as well as practical use of aftereffect to monitor the psychophysical state will surely contribute to reduction of accidents' at work rate and will increase the probability of taking accurate decisions by managers as well as it will facilitate adoption of life style that promotes good psychophysical condition.