Psychological Theory of Activity’ Contribution to the Development of Subject-Oriented Psychophysics

Background and objective. The authors present the results of their theoretical experimental research in field subject-oriented psychophysics, carried out different years line with activity system-oriented approaches. obtained substantiate productivity prospects A.N. Leontiev’s psych ological theory object ideas as one important methodological foundations domestic psychophysical research. principal role concept a sensory task cognitive special kind is emphasized. Such tasks detection, discrimination, identification signals by person are characterized goals accepted these tasks’ components high level uncertainty. Therefore, require researchers to meaningfully analyze psychological structure corresponding process context requirements being solved an inextricable relationship various manifestations internal content human activity. significance goal conditions subject’s activity, has appeared not only empirical results, but mathematical model decision making confidence threshold-like tasks, well. Conclusions. convincingly prove characteristics related individual peculiarities subject measurements, his (her) functional states reflective experiences factors determining choice performance tools, its effectiveness.