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Dynamics of two psychomotor activities: nonlinear aspects (CROSBI ID 503230)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | domaća recenzija

Proroković, Ana ; Gregov, Ljiljana Dynamics of two psychomotor activities: nonlinear aspects // XIV. Dani psihologije u Zadru / Ćubela Adorić, Vera. ; Manenica, Ilija ; Penezić Zvjezdan (ur.). Zadar: Odjel za psihologiju Sveučilišta u Zadru, 2004

Podaci o odgovornosti

Proroković, Ana ; Gregov, Ljiljana

engleski

Dynamics of two psychomotor activities: nonlinear aspects

The aim of this study was to find out whether series of complex reaction time (CRT) and tapping intervals (TI) contain nonlinear dynamic structure in different performance situations. Seven female subjects, aged between 19-25 participated in an 2x2 within groups factor experiment, which included two levels of CRT task difficulty, and tapping task. The tasks were performed as single tasks, and simultaneously as a dual task. Analysis of CRT series and TI time series included calculation of various nonlinear parameters (correlation dimension, largest Lypunov exponent), as well as an application of quantitative recurrence analysis (%determinism, divergence) and the surrogate data technique, for testing nonlinearity. The results indicated the existence of chaotic dynamics in human response time, as well as in tapping data. Generally speaking, it seems that increased task requirements caused a reduction in the dimensionality of underlying system dynamics. It was also found that one of the nonlinear properties of the CRT series and TI time series was their sensitive dependence on initial conditions, which was more obvious in more complex tasks.

nonlinear dynamics; psychomotor activity; dimensionality; predictability

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Podaci o prilogu

2004.

objavljeno

Podaci o matičnoj publikaciji

XIV. Dani psihologije u Zadru

Ćubela Adorić, Vera. ; Manenica, Ilija ; Penezić Zvjezdan

Zadar: Odjel za psihologiju Sveučilišta u Zadru

Podaci o skupu

XIV. dani psihologije u Zadru

predavanje

26.05.2004-29.05.2004

Zadar, Hrvatska

Povezanost rada

Psihologija