Korneev A.A., Kurgansky A.V. The impact of a mode of visual presentation of a complex trajectory on reaction time scores in delayed response task

Full text in Russian: Корнеев А.А., Курганский А.В. Влияние способа зрительного предъявления сложной траектории на временные параметры ее отсроченного двигательного воспроизведения
Lomonosov Moscow State University, Moscow, Russia
Institute of Developmental Physiology, Moscow, Russia

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The impact of static vs. dynamic modes of trajectory presentation on reaction time scores was studied. A total 15 young adults (20 – 30 years old) took part in the experiment. The subjects were asked to memorize planar trajectories (open polygonal chains consisting of 6 segments) and reproduce them upon receiving go signal after a given delay. The trajectories were shown once only as a static drawing or incrementally (one segment at a time). It was shown that both the presentation mode (static vs. incremental) and retention interval have a significant impact on time characteristics of trajectory reproduction, namely latent time, average movement time, and the vertex dwelling time. The results suggest that the character of internal representation of the series of movements may be different depending on the trajectory presentation mode. The presentation mode seems to determine the initial character of the internal representation that is being slowly transformed into some abstract modality-free representation.

Keywords: latency time, internal representation, serial order, sensory memory, working memory

 

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Received 21 May 2014. Date of publication: 30 October 2014.

About authors

Korneev Aleksey A. Ph.D., Senior Research Associate, Laboratory of Neuropsychology, Faculty of Psychology, Lomonosov Moscow State University, ul. Mokhovaya, 11-9, 125009 Moscow, Russia
Senior Research Associate, Laboratory of Neurophysiology of Cognitive Processes, Institute of Developmental Physiology, Russian Academy of Education, ul. Pogodinskaya, 8-2 , 119121 Moscow, Russia.
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Kurgansky Andrey V. Ph.D., Leading Research Associate, Laboratory of Neurophysiology of Cognitive Processes, Institute of Developmental Physiology, Russian Academy of Education, ul. Pogodinskaya, 8-2 , 119121 Moscow, Russia.
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Suggested citation

Korneev A.A., Kurgansky A.V. The impact of a mode of visual presentation of a complex trajectory on reaction time scores in delayed response task. Psikhologicheskie Issledovaniya, 2014, Vol. 7, No. 37, p. 11. http://psystudy.ru (in Russian, abstr. in English).

Permanent URL: http://psystudy.ru/index.php/eng/2014v7n37e/1058-korneev37e.html

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