Integration of visual and auditory predictability information into more complex motor behaviour

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It was hypothesized that one way of reducing performance costs would be to provide participants with visual and auditory information which make a dual task more predictable. We conducted five experiments, applying a continuous tracking paradigm together with a discrete auditory reaction-time task, and manipulated visual/auditory predictability in the first task, the second task, or both tasks. In the first two experiments, participants received advance visual information about the tracking path, enabling them to predict the target’s path and thereby free
resources to prepare for responses in the auditory task. In the third and fourth experiments, sounds were structured according to a predefined sequence, enabling participants to predict the onset of target sounds and thereby free resources to better focus on tracking. In the fifth experiment, sounds were located 250 ms before the turning point of the tracking curve, enabling participants to use sounds as signals for tracking activity and to integrate the two tasks into one meaningful, covarying task. Results demonstrate that visual and auditory information seem to operate as a task-specific performance enhancer in dual tasks, in that visual predictability predominantly aided tracking and auditory predictability predominantly aided reaction times. Only manipulations of the forth experiment (auditory information cueing motor action) improved performance in both tasks. Velocity profiles across all five experiments reveal that participants increase tracking speed shortly during response selection or at around execution, suggesting that interference between tasks occurred at response level rather
than processing stages. We suggest that the influence of visual and auditory information was unilateral (Exp.1-4) either because they are simply insufficient to free resources to cope with dual-task requirements, because they even increase processing load or because they increased salience of the task and fool participants into misjudging the importance of the task. Other than that,
covarying auditory and visual information may have had bilateral influence because tasks appeared to be inextricably linked and no task-weighting was possible.
Titel50. Jahrestagung der asp "Die Psychophysiologie der Handlung" : 10. - 12. Mai 2018 : Abstractband der 50. Jahrestagung der asp
Redakteure/-innenUirassu Borges, Laura Bröker, Sven Hoffmann, Thomas Hosang, Sylvain Laborde, Roman Liepelt, Babett Lobinger, Jonna Löffler, Lisa Musculus, Markus Raab
Herausgeber/inDeutsche Sporthochschule Köln
PublikationsstatusVeröffentlicht - 10.05.2018
VeranstaltungJahrestagung der Arbeitsgemeinschaft für Sportpsychologie (asp) - Köln, Deutschland
Dauer: 10.05.201812.05.2018
Konferenznummer: 50

ID: 3315097

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