Chapter

Objects in Places

Barbara Landau and James E. Hoffman

in Spatial Representation

Published in print September 2012 | ISBN: 9780195385373
Published online January 2013 | e-ISBN: 9780199979189 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780195385373.003.0004

Series: Oxford Series in Developmental Cognitive Neuroscience

Objects in Places

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This chapter examines the breadth of the spatial deficit by exploring a range of spatial functions that are known to engage the parietal areas of the brain among normal adults. These functions include tracking multiple objects, matching and copying object locations by constructing and using frames of reference, and carrying out simple actions on objects. The results across numerous experiments show that even as adults, people with WS show qualitative performance patterns supporting the idea that they possess fundamental spatial-cognitive structures. These structures allow people to mark and track up to several objects at a time, construct and use frames of reference to represent object locations, and represent and use information about object orientation during visual-manual actions. The presence of these structures produces well-articulated spatial behavior, but only at the level of precision that is attained by normally developing children between ages 4 and 6, consistent with the new hypothesis suggested in Chapter 3.

Keywords: dorsal stream; parietal lobe; spatial cognition; developmental trajectory; multiple object tracking; reference systems; primary axis; secondary axis

Chapter.  16168 words.  Illustrated.

Subjects: Cognitive Psychology

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