Delay improves performance on a haptic spatial matching task

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Zuidhoek, Sander and Kappers, Astrid M.L. and Lubbe, Rob H.J. van der and Postma, Albert (2003) Delay improves performance on a haptic spatial matching task. Experimental Brain Research, 149 (3). pp. 320-330. ISSN 0014-4819

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Abstract:Systematic deviations occur when blindfolded subjects set a test bar parallel to a reference bar in the horizontal plane using haptic information (Kappers and Koenderink 1999, Perception 28:781–795; Kappers 1999, Perception 28:1001–1012). These deviations are assumed to reflect the use of a combination of a biasing egocentric reference frame and an allocentric, more cognitive one (Kappers 2002, Acta Psychol 109:25–40). In two experiments, we have examined the effect of delay between the perception of a reference bar and the parallel setting of a test bar. In both experiments a 10-s delay improved performance. The improvement increased with a larger horizontal (left–right) distance between the bars. This improvement was interpreted as a shift from the egocentric towards the allocentric reference frame during the delay period.
Item Type:Article
Copyright:© 2003 Springer
Faculty:
Behavioural Sciences (BS)
Link to this item:http://purl.utwente.nl/publications/76620
Official URL:http://dx.doi.org/10.1007/s00221-002-1365-5
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