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Individual features of achievement of goal-directed action's results and spectral characteristics of eec of students in beforeexam stress' situation




Ye. A. Umriukhin, T. D. Dzhebrailova, I. I. Korobeinikova

* Doctor sci. (biology), professor, Corresponding Member of RAMS

** Cand. sci (biology), senior researcher, Institute of normal physiology named by P. K. Anokhin, RAMS

*** Cand. sci. (biology), senior researcher, the same place

The results of visual information processing were analyzed and the subjects were subdivided on two groups, achieved in emotionally neutral situation equal results by different ways. The first group did their work carefully with minimal amount of mistakes, and the second group made many mistakes but scanned test material very quickly. In the experimental research there was revealed that test effectiveness was decreased in the first group and increased in the second group before exam. In the first group there was revealed increasing delta and decreasing beta-indices EEG of frontal region of cortex. In the second group the spectral power of main rhythms of EEG in exam situation didn't change. These results can be use in developing of prognostic criteria for change of cognitive activity effectiveness in emotional stress conditions.

Key words: the goal-directed action, spectral characteristics of EEG, emotional stress, the speed of visual information processing, effectiveness coefficient.

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