relative+right-left+orientation

= 1375967983 = = = = Definition: = The ability to identify right and left from multiple perspectives.p. 218 HGD Chapter 9 p. 218

= Examples: = A usually shows that most children younger than 8 know the difference between their own right and left. Being able to tell which hand you are raising in the mirror reflection. The difference between //your// left and //my// right.

= Analogies: = [insert analogies here] (give one or more analogies in place of the bracketed text above, then delete these instructions. Please do not delete instructions unless you are adding something to this section. If you don't know of any analogies, leave this section unchanged for someone else to improve on. See Sample Page for a definition and an example of an analogy.)

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=In the News:= [|Registration-based method for determining relative PET/MR left–right image orientation] A quality control method is described for verifying that the coordinate systems of a PET and MR image from the same subject have the same relative left–right orientation. Such ambiguities can arise, for example, at the coordinating center receiving data from many institutions in large multisite studies. In this study, image registration was performed on the PET/MR image pair. The MR image was then reflected (left/right reversed) and the image registration was performed again. A comparison of the values of the cost function describing the accuracy of the registration was used to identify the correct relative orientation. In 122 studies using data with known orientations, 100% accuracy of the method was observed

[|Developmental stages] In this paper, I will discuss the developmental aspects of preadolescence across the spectrum of developmental areas and some of the implications for these developmental changes on the classroom. I will specifically direct the discussion to the fifth grade school year because that is both the year I intend to teach and the year of maximum preadolescent transition.

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