Sensorimotor representations of movement sequences are hierarchically organized. Here we test the effects of different stimulus modalities on such organizations. In the visual group, participants responded to a repeated sequence of visually presented stimuli by depressing spatially compatible keys on a response pad. In the auditory group, learners were required to respond to auditorily presented stimuli, which had no direct spatial correspondence with the response keys: the lowest pitch corresponded to the leftmost key and the highest pitch to the rightmost key. We demonstrate that hierarchically and auto-organized sensorimotor representations are developed through practice, which are specific both to individuals and stimulus modalities. These findings highlight the dynamic and sensory-specific modulation of chunk processing during sensorimotor learning - sensorimotor chunking - and provide evidence that modality-specific mechanisms underlie the hierarchical organization of sequence representations. © 2013 Boutin, Massen and Heuer.
CITATION STYLE
Boutin, A., Massen, C., & Heuer, H. (2013). Modality-specific organization in the representation of sensorimotor sequences. Frontiers in Psychology, 4(DEC). https://doi.org/10.3389/fpsyg.2013.00937
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