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Pregled bibliografske jedinice broj: 123045

Časopis

Autori: Reić, Ina; Manenica, Ilija
Naslov: Effects of stimulus expectancy on heart rate and movement execution
Izvornik: Review of Psychology (1330-6812) 9 (2002), 1-2; 49-53
Vrsta rada: članak
Ključne riječi: stimulus expectancy ; heart rate ; movement execution
Sažetak:
Some investigations on stimulus expectancy situations have shown decreasing effects of expectancy intervals on heart rate and reaction time, which was interpreted as facilitating effects of such situations. The aim of this study was to find out whether the stimulus expectancy, followed by lower arm movement, would facilitate the execution of movements. Trained subjects executed lower arm movements of different amplitudes, on a kinaesthesiometer, without visual control, after a sound stimulus. Cardiac R-R intervals were continuously recorded during stimulus expectancy, movement execution and resting periods. Results showed cardiac deceleration for all expectancy intervals, but contrary to results of studies on reaction time, no effects of expectancy interval length were found on the movement time. This disagreement could be due to task complexities, where the reaction tasks were comparatively simple, while the movement tasks included, not only speed and precision, but also kinaesthetic information processing, which had its effects on sinus arrhythmia, as well.
Projekt / tema: 0070022
Izvorni jezik: ENG
Kategorija: Znanstveni
Znanstvena područja:
Psihologija
URL Internet adrese: https://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=5012
URL cjelovitog teksta: https://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=5012
Google Scholar: Effects of stimulus expectancy on heart rate and movement execution



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