Oculographic markers of abnormal states of an operator as studied using the models of smooth tracking of a target and discreet appearance/disappearance of a stimulus



The possibility is discussed of using the parameters of oculomotor reactions as markers suitable for automatic evaluation, recognition and continuous monitoring of the functional state of an operator, i.e. driver, traffic controller, etc. We used the models of smooth tracking of targets and discrete appearance/disappearance of the stimulus for experimental evaluation of the possibility of recognition of abnormal states of an operator and the disturbances in work they cause. We describe and analyze the changes in visual-motor reactions under the influence of alcohol, 1 g of 96% alcohol per kilogram of operator’s body weight of, i.e. changes in the latency period of macrosaccades and motor reactions, changes in the average instant speed of macrosaccades, changes in reaction time. The changes in smoothness of target tracking caused by alcohol intoxication were also considered. We identified the oculomotor reactions useful as markers to diagnose changes in the functional state of an operator and to diagnose the operator activity.

General Information

Keywords: eye-tracking, gaze scanpath, target object, saccade, fixation, alcohol, operator, functional state, visual perception, smooth tracking

Journal rubric: Psychology of Perception

Article type: scientific article

DOI: https://doi.org/10.17759/exppsy.2016090105

For citation: Zakharchenko D.V., Dorokhov V.B. Oculographic markers of abnormal states of an operator as studied using the models of smooth tracking of a target and discreet appearance/disappearance of a stimulus. Eksperimental'naâ psihologiâ = Experimental Psychology (Russia), 2016. Vol. 9, no. 1, pp. 53–68. DOI: 10.17759/exppsy.2016090105. (In Russ., аbstr. in Engl.)


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Information About the Authors

Dmitry V. Zakharchenko, PhD in Biology, Research Fellow, Institute of Higher Nervous Activity, RAS, Moscow, Russia, e-mail: dz-ihna@mail.ru

Vladimir B. Dorokhov, Doctor of Biology, Head of the Laboratory, Institute of Higher Nervous Activity and Neurophysiology, RAS, Moscow, Russia, e-mail: vbdorokhov@mail.ru



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