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David L. Mann Bruce Abernethy Damian Farrow Mark Davis Wayne Spratford 《Behavior research methods》2010,42(2):556-562
This article describes a new automated method for the controlled occlusion of vision during natural tasks. The method permits
the time course of the presence or absence of visual information to be linked to identifiable events within the task of interest.
An example application is presented in which the method is used to examine the ability of cricket batsmen to pick up useful
information from the prerelease movement patterns of the opposing bowler. Two key events, separated by a consistent within-action
time lag, were identified in the cricket bowling action sequence—namely, the penultimate foot strike prior to ball release
(Event 1), and the subsequent moment of ball release (Event 2). Force-plate registration of Event 1 was then used as a trigger
to facilitate automated occlusion of vision using liquid crystal occlusion goggles at time points relative to Event 2. Validation
demonstrated that, compared with existing approaches that are based on manual triggering, this method of occlusion permitted
considerable gains in temporal precision and a reduction in the number of unusable trials. A more efficient and accurate protocol
to examine anticipation is produced, while preserving the important natural coupling between perception and action. 相似文献
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Studia Logica - Contact algebra is one of the main tools in region-based theory of space. In ([7, 8, 22, 23]) it is generalized by dropping the operation Boolean complement. Furthermore we can... 相似文献
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Studia Logica - In topological spaces, the relation of extended contact is a ternary relation that holds between regular closed subsets A, B and D if the intersection of A and B is included in D.... 相似文献
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