Sensory information in perceptual-motor sequence learning: visual and/or tactile stimuli


Abrahamse, Elger L. and Lubbe, Rob H.J. van der and Verwey, Willem B. (2009) Sensory information in perceptual-motor sequence learning: visual and/or tactile stimuli. Experimental brain research, 197 (2). pp. 175-183. ISSN 0014-4819

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Abstract:Sequence learning in serial reaction time (SRT) tasks has been investigated mostly with unimodal stimulus presentation. This approach disregards the possibility that sequence acquisition may be guided by multiple sources of sensory information simultaneously. In the current study we trained participants in a SRT task with visual only, tactile only, or bimodal (visual and tactile) stimulus presentation. Sequence performance for the bimodal and visual only training groups was similar, while both performed better than the tactile only training group. In a subsequent transfer phase, participants from all three training groups were tested in conditions with visual, tactile, and bimodal stimulus presentation. Sequence performance between the visual only and bimodal training groups again was highly similar across these identical stimulus conditions, indicating that the addition of tactile stimuli did not benefit the bimodal training group. Additionally, comparing across identical stimulus conditions in the transfer phase showed that the lesser sequence performance from the tactile only group during training probably did not reflect a difference in sequence learning but rather just a difference in expression of the sequence knowledge.
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Faculty of Behavioural, Management and Social sciences (BMS)
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