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Pregled bibliografske jedinice broj: 178706

Zbornik radova

Autori: Proroković, Ana; Gregov, Ljiljana
Naslov: Dinamika dviju psihomotornih aktivnosti: nelinearni aspekti
Izvornik: XIV. Dani psihologije u Zadru / Ćubela Adorić, Vera. ; Manenica, Ilija ; Penezić Zvjezdan (ur.). - Zadar : Odjel za psihologiju Sveučilišta u Zadru , 2004. .
Skup: XIV. Dani psihologije u Zadru
Mjesto i datum: Zadar, Hrvatska, 26-29. 05. 2004.
Ključne riječi: nonlinear dynamics; psychomotor activity; dimensionality; predictability
Sažetak:
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.
Vrsta sudjelovanja: Predavanje
Vrsta prezentacije u zborniku: Sažetak
Vrsta recenzije: Domaća recenzija
Projekt / tema: 0070022
Izvorni jezik: ENG
Kategorija: Znanstveni
Znanstvena područja:
Psihologija



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