Abstract
Simultaneous articulation did not interfere with hand responses if the responses shared the same time period. Otherwise there was marked interference even after performance had stabilized with practice. These results generalized previous findings for simultaneous left-and right-hand responses (Klapp, 1979) to show that even highly distinctive responses can be generated in parallel only if they have compatible timing.
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This research was supported in part by the Small Grants Program of the Research Foundation of California State University, Hayward.
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Klapp, S.T. Temporal compatibility in dual motor tasks II: Simultaneous articulation and hand movements. Memory & Cognition 9, 398–401 (1981). https://doi.org/10.3758/BF03197565
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DOI: https://doi.org/10.3758/BF03197565