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  • Title: Layout geometry in encoding and retrieval of spatial memory.
    Author: Mou W, Liu X, McNamara TP.
    Journal: J Exp Psychol Hum Percept Perform; 2009 Feb; 35(1):83-93. PubMed ID: 19170472.
    Abstract:
    Two experiments investigated whether the spatial reference directions that are used to specify objects' locations in memory can be solely determined by layout geometry. Participants studied a layout of objects from a single viewpoint while their eye movements were recorded. Subsequently, participants used memory to make judgments of relative direction (e.g., "Imagine you are standing at X, facing Y, please point to Z"). When the layout had a symmetric axis that was different from participants' viewing direction, the sequence of eye fixations on objects during learning and the preferred directions in pointing judgments were both determined by the direction of the symmetric axis. These results provide further evidence that interobject spatial relations are represented in memory with intrinsic frames of reference.
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