n 1  :  the process or technique of reproducing a spatial object or a section of such an object upon a plane or curved surface : also  :  a diagram or figure so formed  2 a  :  the act of referring a mental image constructed by the brain from bits of data collected by the sense organs to the actual source of stimulation outside the body  b  :  the attribution of one's own ideas, feelings, or attitudes to other people or to objects : esp  :  the externalization of blame, guilt, or responsibility as a defense against anxiety  3  :  the functional correspondence and connection of parts of the cerebral cortex with parts of the organism <the of the retina upon the visual area>  .
 
 
 
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